Logic riddles


A horse have to transfer bananas from one point to the other point
(points are 1000km apart). He can take atmost 1000 bananas at a time
and he eats 1 banana after every km he travels. Tell me the
maximum no. of bananas he can take to the final point if the total
no. of bananas are 3000 ?

The ultimate age problem



Varun is 33 years old. This is three times as old as Tharun was when
Varun was as old as Tharun is now...

How old is Tharun now ?

Clock time puzzles



If it were two hours later, it would be half as long until midnight
as it would be if it were an hour later.

What time is it now?

Tricky puzzles



A bottle of soda costs $3. The soda is worth $2 more than the bottle.
How much is the bottle worth?

If 2+3=10, 7+2=63, 6+5=66, 8+4=96...



If 2+3=10, 7+2=63, 6+5=66, 8+4=96

Then find 9+7 = ?

The Monty Hall Trap


“Suppose you are on a game show, and you are given the choice
of three doors: Behind one door is a Rolls Royce car and behind
the others, goats. Let's assume that you would prefer a Rolls Royce
to a goat. You pick a door, say No.1, and the host, who knows
what's behind the doors, opens another door, say No.3, which has
a goat. He then says to you, "Do you want to pick door No. 2?

Is it to your advantage to switch your choice?”

The toy vendor puzzle



A toy vendor is selling toys from door to door.He visits a house
& asks the owner lady to buy toys for her kids. Lady, being a
smart customer, says to Toy Vendor “If you can tell me the ages
of my 3 Kids correctly then only I will buy Toys from you.”
Toy Vendor says “OK M’am , Please give me some clue”

“If you multiply ages of my 3 kids you get figure 36.And if you add
ages of my 3 kids you get House Number of my neighbour” replies Lady.

Toy Vendor thinks for a while , goes & notes Number of Neighbour’s
house & returns saying “M’am , some more information is required”

“OK, my eldest daughter plays Harmonium very nicely” replies Lady.
“Oh, in that case I have got answer to your question”
replies Toy Vendor & tells the Lady the correct ages of her Kids.

Can you tell ages of Lady’s Kids ?
What is House Number of Lady’s Neighbour ??

1, 2, 6, 42, 1806, ?



Find the next number in the series...

Famous Logic Puzzles



A king wants an advisor and comes to ask the 3 wisest sages.
He blindfolds them and put the hats on their head. Afterwards,
the king takes off their blindfolds. He tells them that
their hat is either blue or white. He tells them that whoever
can deduce the color of their hat will be his next advisor.
Also he tells them that at least one of the sages will be
wearing a blue hat. The sages can all see each other's hats
except of course, their own. Sage A sees that the other 2 are
wearing blue hats.
For hours no one spoke, then Sage A stands up and tells the
king the colour of his hat. What color is it and how does he know?

Number Lock Problems



There is a safe with a 5 digit Number lock. The 4th digit is 4
greater than second digit, while 3rd digit is 3 less than 2nd digit.
The 1st digit is thrice the last digit. There are 3 pairs whose
sum is 11. Find the number ?

Lateral Thinking Problems



1)How could a baby fall out of a twenty-story building onto
the ground and live?

2)There are six eggs in the basket. Six people each take
one of the eggs. How can it be that one egg is left in the basket?

Flight path puzzle



There are 9 cities numbered 1 to 9. From how many cities a flight
can start so as to reach the city 8 either directly or indirectly
such the path formed is divisible by 3

eg. 1368-Flights goes from 1 through 1-3-6-8 to 8.

1 11 21 1211 111221 ?



What is the next term in this sequence?

Profit & Loss questions



A man decides to buy a nice horse. He pays $60 for it, and he is
very content with the strong animal. After a year, the value of
the horse has increased to $70 and he decides to sell the horse.
But already a few days later he regrets his decision to sell the
beautiful horse, and he buys it again. Unfortunately he has to pay
$80 to get it back, so he loses $10. After another year of owning
the horse, he finally decides to sell the horse for $90.

What is the overall profit/loss the man makes?

Mary's Car



The Old car of Mary requires tyres to be changed after each 24000 km.
If she wants to go for 42000 km journey then how many minimum
number of tyres she will need ?

There is a bus with 7 girls........



There is a bus with 7 girls.

Each girl has 7 bags.

In each bag, there are 7 big cats.

Each big cat has 7 little cats.

Each cat has 4 legs.

How many legs are present in the bus?

Cake cutting puzzle



What is the maximum number of slices can you obtain by cutting
a cake with only 4 cuts?

Clock Puzzles



If a clock takes 7seconds to strike 7, how long will the same
clock take to strike 10?

Pond with Lillies



There is one lily in the pond on 1st june. There are two in
the pond on 2nd june . There are four on 3rd june and so on.
The pond is full with lilies by the end of the June.

(i) On which date the pond is half full?

(ii) If we start with 2 lilies on 1st June when will be the pond
be full with lilies.

Probability



There are 19 red balls and one black ball. Ten balls are put
in one jar and the remaining 10 are put in another jar.
What is the possibility that the black is in the right jar.

Probability Riddles



Two Persons A and B. Person A picks a random number from 1 to 1000.
Then person B picks a random number from 1 to 1000. What is the
probability of B getting number greater then what A has picked?

Escalator Puzzles



There is an Escalator and 2 persons move down it.A takes 50 steps
and B takes 75 steps while the escalator is moving down.
Given that the time taken by A to take 1 step is equal to time taken
by B to take 3 steps. Find the no. of steps in the escalator
while it is stationary ?

The Ultimate Puzzle



This is a story of four boys - Chinku, Dinku, Pinku and Tinku.

One day all of them decide to save their money in a bank(Joint Account).
They select a bank called “Lena Bank”

The bank's specialty is: In every month the money gets doubled.

In 2nd month, Chinku withdraws 100-Rs from bank.

In 3rd month, Dinku withdraws 100-Rs from bank.

In 4th month, Pinku withdraws 100-Rs from bank.

In 5th month, Tinku withdraws 100-Rs from bank.
Then their balance in the bank becomes zero.

How much amount had the boys put in the bank?

2 Batsman are on 94 problem ?



2 batsman r on 94. 2 balls remaining & 7 runs to win.
and both the batsman make their century & win match How?

Challenging Problem



Just spell the numbers as one, two, three, .........
Now tell me which will be the shortest number
containing "Least number of "a" irrespective of the place"

Be puzzled



A hotel has 10 floors.
Which floor is above the floor below the floor,
below the floor above above the floor,
below the floor above the fifth ?

Date of birth puzzle



Ninu was born on 3rd march 1980. Mini was born 4 days before nenu.
The Republic Day of that year fell on a saturday.
Then Mini's birthday was on

(a) Sunday
(b)Monday
(c)Friday
(d)Tuesday

Logic brain teaser



There are 1000 soliders with a no. on their T Shirts
(1,2,3.....999,1000) standing on a circular track.
Man with no.1 is carrying a sword in his hand.
He kills man at no. 2 and pass on sword to no. 3.
This goes on until we have only one solider on the track.
What will be the no. on his T-Shirt?

Train Puzzle



Two stations connected by railroad. Trains start every hour
from each station to the other , at the same time.
A Train takes 5 hours to reach the other station.
How many trains will a train meet during its journey?

Dice problem



Two people are playing with a pair of dies. Instead of numbers,
the dies have different colors on their sides. The first person wins
if the same color appears on both the dies and the second person
wins if the colors are different. The odds (chance)of their winning
are equal. If the first dice has 5 red sides and 1 blue side,
find the color(s) on the second one.

[really tough one]

Hilarious Puzzles



You are stuck in a room with no windows, and no doors.
The only thing in the room is a table and a mirror.
How do you get out?

Probability Problem



There are 3 bags. One contains 2 gold coins, another has
2 silver coins and the 3rd has one of each. You pick a bag
at random, and without looking inside take out one coin.
It's gold. What is the probability that the other coin
in that bag is also gold?

Bridge crossing problem



A group of four people has to cross a bridge. It is dark,
and they have to light the path with a flashlight.
No more than two people can cross the bridge simultaneously,
and the group has only one flashlight. It takes different
time for the people in the group to cross the bridge.
When two people together goes through the bridge,
the time taken by them to cross the bridge is the time taken
by the person with highest crossing time:

A crosses the bridge in 1 minute,
B crosses the bridge in 2 minutes,
C the bridge in 5 minutes,
D crosses the bridge in 10 minutes.


What is the minimum time in which they can cross the bridge.........???

Give with explanation.......!!!!!!!!

Tricky question



Mary's father has five daughters:

1. Nana
2. Nene
3. Nini
4. Nono

What is the name of the fifth daughter?

Clock time problem



A girl buys a clock 2 weeks back. This clock loses 24 mins
in every one hour time. You set the time at 12 midnight
and the clock now displays 3.00 am and it was stopped one
hour back from now. So,what is the actual time now?

Train & tickets



Every station in a rail road issue every other station's ticket.
Some stations are added. Now they have to issue 46 more tickets.
The number of stations before and after addition is ?

Man and dog problem



A man is taking his dog for a walk. They set off together for a
waterfall 10 miles away. They set off exactly together and the
man walks at a steady 4 miles an hour. The dog runs off at 8 miles
an hour and when it reaches the waterfall it turns round and
runs back to the man. When it reaches the man it turns round and
runs back to the waterfall and so on until the man and dog arrive
at the waterfall. when they both arrive at waterfall ?

Critical Thinking Puzzles




Figure out how many gold medals Canada, Austria, Norway,
the Netherlands, Japan, Italy, Russia, and the United
States received.


1. Norway won five times as many gold medals as Russia.

2. The eight countries won a total of fifty-nine gold medals.

3. Russia has one more gold medal than Italy.

4. If Japan won four more gold medals, they would have won the
same number of gold medals as Canada.

5. The Netherlands won eight more gold medals than one-third
the number of gold medals won by Austria.

6. If Canada had won one more than three times the number
of gold medals, they would have won thirteen more gold
medals than the United States.

Funny riddle



If the puzzle you solved before you solved the puzzle you solved
after you solved the puzzle you solved before you solved this one,
was harder than the puzzle you solved after you solved the puzzle
you solved before you solved this one, was the puzzle you solved
before you solved this one harder than this one ?
Explain your reasoning.

Shadow length



A pillar 6 feet tall casts a shadow 3 feet long on the ground.
If the pillar was 12 feet tall, how many feet in length
would the shadow be ?

Faulty coin problem



You are given twelve coins, of which eleven are genuine
and one is fake. All eleven genuine coins have the same weight
and the fake coin has a different weight. Find the fake in
three weighings.

Probability Puzzle



If a test to detect a disease whose prevalence is one in a
thousand has a false positive rate of 5%, what is the chance
that a person found to have a positive result actually has
the disease, assuming you know nothing about the person’s
symptoms or signs?

The six dice problem



There are six unloaded die.
Each has been rolled out of your sight and hidden behind a cup.
You are informed that no more than one of them landed a 6 - but
it may be that none of them did.

You are going to remove the cups one at a time.

Before you do, you label each cup with letters A to F.
This designates the order in which you will remove them.
You have complete discretion which cup is assigned each letter,
but once labeled they must be removed in alphabetical sequence.

Having labelled them, it is time to remove the cups accordingly from A to F.

If one of the dice landed as 6, under which cup is it most likely to be found?

Handshake Problem



Jack and his wife went to a party where four other married
couples were present. Every person shook hands with everyone
he or she was not acquainted with. When the handshaking was
over, Jack asked everyone, including his own wife, how many
hands they shook. To his surprise, Jack got nine different
answers. How many hands did Jack's wife shake ?

Lawn Puzzle



Grass in lawn grows equally thick and in a uniform rate.
It takes 24 days for 70 cows and 60 days for 30 cows to eat
the whole of the grass. How many cows are needed to eat
the grass in 96 days?

Substitute digits for the letters



Substitute digits for the letters to make the following relation true.
W O R L D
+ T R A D E
-------------
C E N T E R

[Note that the leftmost letter can't be zero in any word. Also, there
must be a one-to-one mapping between digits and letters.
e.g. if you substitute 3 for the letter W, no other letter can be 3
and all other W in the puzzle must be 3. ]

Critical Reasoning Puzzle



A blindfolded man is asked to sit in the front of a carrom board.
The holes of the board are shut with lids in random order,
i.e. any number of all the four holes can be shut or open.
Now the man is supposed to touch any two holes at a time and
can do the following.

* Open the closed hole.

* Close the open hole.

* Let the hole be as it is.

After he has done it, the carrom board is rotated and again brought
to some position. The man is again not aware of what are the holes
which are open or closed. How many minimum number of turns does
the blindfolded man require to either open all the holes or close
all the holes? Note that whenever all the holes are either open or
close, there will be an alarm so that the blindfolded man will know
that he has won!!!!!

Find the next in the series



AZFR, LARU, AMAS, SBNS, KICI, ????

8 Ball Problem



You have eight almost identical balls, but one of them is
a little bit lighter than the others. It is not that lighter,
though, that you can tell the difference by hand, but you
have a two-armed balance. How can you find the light
ball with only two measures?

Fun Logic Puzzles



Syam was looking at a photo. Someone asked him, "Whose picture
are you looking at?" He replied: "I don't have any brother or
sister, but this man's father is my father's son."
So, whose picture was Syam looking at?

Hilarious Riddles



What's the quietest place in the world?
Answer:The complaint department at the parachute packing plant.

Missing Number Series



Find the missing number in the series?
9, 61, 52, 63, 94, ___ , 18?

Time and Distance Problem



A man had covered 2/3 of distance by cycling and remaining
covered on feet. For this he took twice the time to
the cycling. Find how much speed is greater for cycling
than on feet?

Brain logic




The answer to this question contains how many Characters ?

Options:

a)five

b)one

c)three

d)two

e)four



Date puzzle




On October 2, 2001, the date in MMDDYYYY format was a
palindrome (same forwards as backwards).That is 10/02/2001.
When was the last date that this occurred on before year 2001?


302 dollar problem



You are having $302 with you. Divide $302 (in whole $ increments)
into a number of bags so that I can ask for any amount between
$1 and $302, and you can give me the proper amount by giving me
a certain number of these bags without opening them. What is the
minimum number of bags you will require?

Water jar problem



You have a three gallon and a five gallon measuring device.
How will you measure out four gallons.

Find the angle



What would be the angle between hour and minute hand,
when time is 7:20 ?

Crime scene puzzle




There is a man dead in a locked office, sitting at his desk.
On the desk there are a couple of pieces of blank paper,
a pen and a sealed envelope. The office is locked from the
inside. No-one has directly killed him. How was he killed?


Permutation & Combination



A bag Contains 5 black balls, 10 red balls and
12 white balls...Atmost in how many draws you
could get a pair....?


Funny question of the day




In a pond there are 10 fish, one of them dies, and the water
level of the pond increases. How?


Who did it?


Three of these statements are untrue,

Mr Red: "Mr Blue did it."

Mr Blue: "Mr Red did it."

Mr Green: "Mr Blue's telling the truth."

Mr Yellow: "Mr Green's not lying

Do you know who did it??


Number logic problem



A certain street has 1000 buildings. A sign-maker is
contracted to number the houses from 1 to 1000.
How many zeroes will he need?


Who is doctor, who is lawyer?



Mr. Hari, his wife, his son, his mother, among these people
one of them is a Lawyer, and the other is Doctor

a) If lawyer is younger than the Doctor,
then they dont have blood relations
b) If lawyer is a women, then Doctor and
lawyer have the blood realations
c) If Doctor is man, then lawyer is also a man.

Who is doctor, who is lawyer?

3d cube problem


A block of wood in rectangular form that is
4cm x 10cm x 11cm all surfaces of pink rose color.
If the block of wood is cut into 440 cubes of
1cm × 1cm x 1cm each, how many cubes would
have color pink rose?

Solve the series


10 , 9 , 60 , 90 , 70 , 66 , ....

Light Bulb

A light bulb is hanging in the first floor of the room.
There are three switches in the ground floor room.
One of these switches belongs to that light bulb.
The light bulb is not lit and the switches are in off
state. There is only one chance to visit the room.
How can it be determined which of these switch
is connected to the light bulb.

What is the population of TIBET

How many people are living in Tibet
With the help of following data can you find
How many people were listed as living in Tibet?


The population of some countries is calculated based upon
some logic and listed here:-


USA 130,000
England 410,000
France 340,000
Peru 200,000
Brazil 340,000
Greece 300,000
Japan 270,000

Find the Number

There is a 10 digit number whose first digit is the no:
of occurence of 0's in the number. Second number is
no: of occurence of 1's in the number. Third number
is the no: of occurence of 2's in the number. 4'th no:
is the number of occurence of 3's in the number. and so
on up to 10th digit is no of 9's in the number.
what is the number?

Age problem

I am 5 times as old as you were when I was as old as you are.
Find our present ages.

True Lies

Tina & Meena are twins. One of them lies while the other
is truthful. I asked one of them, "Does Tina lie?" "Yes",
was the answer.Did I speak to Tina or Meena?

Number logic problem

if
1=5,
2=55,
3=555,
4=5555,

then

5=??????????

Find the distance travelled

Two Buses enter in a tunnel 225 Km long, one of those buses
is travelling at 75 Km/h and at the same time another one
running at a speed of 37.5 Km/h from opposite directions.
As soon as they enter the tunnel a butterfly flying at
898 Km/h starts from one bus and heads toward the other one.
As soon as it reaches the other one it turns around and
heads back toward the first, going back and forth between
the buses until the buses collide in a fiery explosion
in the tunnel (the butterfly survives).
how far did the butterfly travel?

Number Problem

Using following numbers and following operators you have to produce 28.

Numbers are 1, 5, 7 and 8.

Operators are +, -, * and /

You can use ( ) brackets as well.

Rules:

1-You can use each number only once.

2-You can not use any other operator or symbol.

3-You can not use 1 and 5 as 15.

4-You have to use all of the above number mentioned (1,5,7 and 8)

Number Sequence problem

For all the Mathematics champs (Including future champs also),
find the 6th Number?

1, 2, 6, 42, 1806, ?

Password Problem

A man wanted to enter an exclusive club but did not know the
password that was re quired. He waited by the door and
listened.A club member knocked on the door and the
doorman said, "twelve." The member replied, "six " and was
let in.A second member came to the door and the doorman said,
"six." The member replied, "three" and was let in.The man
thought he had heard enough and walked up to the door.
The doorman said ,"ten" and the man replied, "five.
"But he was not let in. What should have he said?

Lateral Thinking

A girl who was just learning to drive went down a one-way
street in the wrong direction, but didn't break the law.
How come?

Catch the Thief

There are 13 caves arranged in a circle. There is a
thief hiding in one of the caves. Each day the the thief
can move to any one of of the caves that is adjacent to the
cave in which he was staying the previous day. And each day,
you are allowed to enter any two caves of your choice.
What is the maximum number of days in which you can
catch the thief?

Age puzzle

The average age of 10 members of a committee is the same
as it was 4 years ago, because an old member has been
replaced by a young member. Find how much younger is
he new member ?

Microsofts Interview Question

There is a table on which a number of coins are placed. You also
know that there are as many coins with Head up as many coins with
Tail up. Now you have to divide the coins (number of coins is even)
into two equal piles such that number of coins with Heads up and
Tails up in either piles be the same. The catch is you are
blind folded and you cannot determine the sides (for sure)
if you are blinded

Optical Illusions

Calender Problem

Syam showed up for work on Monday only to discover that
his delivery truck was in the shop for maintenance. He
was told it would be ready two days after the day before
the day after tomorrow. On what day can Syam expect the
truck to be back on the road?

Rectangular Cake

How do you cut a rectangular cake into
two equal pieces when someone has already
removed a rectangular piece from it?
The removed piece can be of any size
or orientation. You are allowed just one
straight cut.

Logic Puzzles

You've been asked to buy 100 squeegies, using 100
dollars to do so. You may buy no more or less than
100 squeegies, and the total price must be exactly
100 dollars. There is no sales tax. Red squeegies
cost $6.00. Yellow squeegies cost $3.00. Blue
squeegies cost $0.10. How many of each must you buy?

Microsoft's Puzzles

How many points are there on the globe
where, by walking one mile south, one
mile east, and one mile north,you reach
the place where you started?

River Crossing Puzzles

A farmer is returning from market, where he
bought a she-goat, a wolf and cabbage. On the
way home he must cross a river. His boat is
little, allowing him to take only one of the
three things. He can't keep the she-goat
and the cabbage together (because the she-goat
would eat it), nor the she-goat with the wolf
(because the she-goat would be eaten).
How shall the farmer get everything on the
other side (without any harm)?

Cannibals and Missionaries

Three missionaries and three cannibals wanted
to get on the other side of a river. There was
a little boat on which only two of them can fit.
There can never be on one side more cannibals
than missionaries because of a possible tragedy.

What is the next Number

1,2,3,5,8,....

Einsteins Riddles

There are 5 ships in a port.

1. The Greek ship leaves at six and carries
coffee.
2. The ship in the middle has a black chimney.
3. The English ship leaves at nine.
4. The French ship with a blue chimney is to
the left of a ship that carries coffee.
5. To the right of the ship carrying cocoa
is a ship going to Marseille.
6. The Brazilian ship is heading for Manila.
7. Next to the ship carrying rice is a ship
with a green chimney.
8. A ship going to Genoa leaves at five.
9. The Spanish ship leaves at seven and is to
the right of the ship going to Marseille.
10. The ship with a red chimney goes to Hamburg.
11. Next to the ship leaving at seven is
a ship with a white chimney.
12. The ship on the border carries corn.
13. The ship with a black chimney leaves at eight.
14. The ship carrying corn is anchored next
to the ship carrying rice.
15. The ship to Hamburg leaves at six.

Which ship goes to Port Said? Which ship carries tea?

Reasoning Puzzles

97 baseball teams participate in an annual state
tournament. The champion is chosen for this
tournament by the usual elimination scheme. That is,
the 97 teams are divided into pairs, and the two
teams of each pair play against each other. The
loser of each pair is eliminated, and the remaining
teams are paired up again, etc. How many games must
be played to determine a champion?

Catch me if u can ?

Read each line aloud without making any mistakes.
If you make a mistake you MUST start again
without going any further.

This is this puzzle
This is is puzzle
This is how puzzle
This is to puzzle
This is keep puzzle
This is an puzzle
This is idiot puzzle
This is busy puzzle
This is for puzzle
This is forty puzzle
This is seconds! puzzle

Critical thinking puzzle

1. The first question with B as the correct answer is:

A. 1
B. 4
C. 3
D. 2

2. The answer to Question 4 is:

A. D
B. A
C. B
D. C

3. The answer to Question 1 is:

A. D
B. C
C. B
D. A

4. The number of questions which have D as the correct answer is:

A. 3
B. 2
C. 1
D. 0

5. The number of questions which have B as the correct answer is:

A. 0
B. 2
C. 3
D. 1

Brain Teasers

Three people check into a hotel. They pay £30 to the
manager and go to their room. The manager suddenly
remembers that the room rate is £25 and gives £5 to
the bellboy to return to the people. On the way to
the room the bellboy reasons that £5 would be
difficult to share among three people so he pockets
£2 and gives £1 to each person. Now each person
paid £10 and got back £1. So they paid £9 each,
totalling £27. The bellboy has £2, totalling £29.
Where is the missing £1?

Clock Problem ?

Suppose a clock's seconds hand is exactly on a
second’s mark (one of the sixty) and exactly 22
second marks ahead of the hour hand. What is
the time?

WHO DONE IT ?

Three of these statements are untrue, so who done it?

Mr Red: "Mr Blue did it."

Mr Blue: "Mr Red did it."

Mr Green: "Mr Blue's telling the truth."

Mr Yellow: "Mr Green's not lying

Eye Illusions

Infosys Puzzle

If 5/2 artists make 5/2 paintings
using 5/2 canvases in 5/2 days then
how many artists r required to make
25 paintings using 25 canvases
in 25 days?

Infosys Puzzle

We have two buckets, 1 of capacity
3liter and another of 5 liter.we have
5 liters of water. so how will we make
combinations such that 1 bucket will have
exactly 4 liters of water?

Who is Lier ?

This was a burglary in the Silver City
jewelry store last Sunday.
Three suspects: Robert, Scott, and Tommy
were caught and questioned.
Each person said, "One of the other two stole it.
I did not do it."

Later on the police found out that Tommy
was lying and there was only one thief.
Who was the thief?

Number Series?

What is the next number...
23 5 12 3 15 13 ?

Hint: A way to say "HELLO"!

Logic Puzzle

If you put a coin in an empty bottle
and insert a cork into the neck of the bottle,
how could you remove the coin without
taking the cork out or breaking the bottle?

Funny puzzle

If a boy and a half could eat a hot dog
and a half in a minute and a half,
how many hot dogs could six boys eat
in six minutes?

Einstein's Puzzle

FACTS OF THE PUZZLE
[This quiz was made up by Albert Einstein and
according to him 98% will not solve it.]

There are five houses in five different colours.
In each house lives a person of a different nationality.
These five owners drink a certain beverage, smoke a
certain brand of cigarette and keep a certain pet.
No owners have the same pet, smoke the same brand
of smoke or drink the same drink.


HINTS

1] The Brit lives in the red house.
2] The Swede keeps dogs as pets.
3] The Dane drinks tea.
4] The green house is on the left of the white house.
5] The green house owner drinks coffee.
6] The person who smokes Pall Mall rears birds.
7] The owner of the yellow house smokes Dunhill.
8] The man living in the house right in the center
drinks milk.
9] The Norwegian lives in the first house.
10] The man who smokes Blend lives next to the one
who keeps cats.
11] The man who keeps horses lives next to the man
who smokes Dunhill.
12] The owner who smokes Blue Master drinks beer.
13] The German smokes Prince.
14] The Norwegian lives next to the blue house.
15] The man who smokes Blend has a neighbour who
drinks water.
The question is: WHO OWNS FISH?

Crossing The Lake Puzzle

There are four people in an adventure race that
need to get across a lake. They have a small
canoe. The rules say that only the slowest person
in the canoe can paddle, only one or two can be
in the canoe at a time, and they must all cross
in the canoe. From practice, they know that:

Ann can paddle across in 1 minute.

Bill can paddle across in 2 minutes.

Sue can paddle across in 5 minutes.

Mike can paddle across in 10 minutes.

How do they get everyone across the river
in the fastest time without breaking
the rules?

The Lazy Gardener




It takes two gardeners 8 days to mow a lawn.

One is lazy and one is energetic.

The energetic one would only take 12 days to mow it on his own.

How many days would the lazy gardener take to mow the lawn on his own?

Microsofts Puzzle

You have 5 jars of pills. Each pill weighs
10 gram, except for contaminated pills contained
in one jar, where each pill weighs 9 gm. Given
a scale, how could you tell which jar had the
contaminated pills in just one measurement?

Doctor and Engineer Puzzle

One of Mr. Bajaj, his wife, their son and Mr. Bajaj's
mother is an Engineer and another is a Doctor.

· If the Doctor is a male, then the Engineer is a male.
· If the Engineer is younger than the Doctor, then the
Engineer and the Doctor are not blood relatives.
· If the Engineer is a female, then she and the Doctor
are blood relatives.

Can you tell who is the Doctor and the Engineer?

What is the number?

what is number in this series
1,16,36,__,81,100,144

a)64
b)61
c)49
d)144

please explain the logic...

Think carefully!!

Cathy has six pairs of black gloves and six
pairs of brown gloves in her drawer.
In complete darkness, how many gloves must
she take from the drawer in order to be
sure to get a pair that match?
Think carefully!!

Du u know y?

Why is it better to have round manhole covers
than square ones?

Alphabet puzzle?

There are three words in the English language
that end in "gry". ONE is angry and the other
is hungry. EveryONE knows what the third ONE
means and what it stands for. EveryONE uses
them everyday, and if you listened very
carefully, I've given you the third word.
What is it? _______gry?

Horse Problem

There are 25 horses and 5 race tracks.
We have to pick the fastest three horses in the
least no of races. PS: In one race only 5 horses
can participate. Find the least number of races?

Microsofts Puzzle

You have 5 jars of pills. Each pill weighs
10 gram, except for contaminated pills contained
in one jar, where each pill weighs 9 gm. Given
a scale, how could you tell which jar had the
contaminated pills in just one measurement?

What is the 9 digit number?

There is a 9 digit number.
Its speciality is no digit is repeated.
and its right 1 digit is divisible by 1 and
right 2 digits is divisible by 2,right 3 digits
is divisible by 3.This pattern will be repeated
until 9 digits.

find out the number.

The Missing Dollar Problem

Three friends went to a hotel. The bill was Rs $75
Each one contributed $25. The waiter took the bill to the cashier.
The cashier was happy & decided to give them a discount of
$5 and asked the waiter to return them $5.

Now the waiter was confused. How to distribute $5 among 3
persons?

He kept $2 in his pocket and gave $1 to each one
of the 3 persons. So initially each one had contributed
$25. Now as they are Given $1 back, their contribution
reduces to $24. They all contributed $24. ie
24x3=72 and 2 dollors are in the waiters pocket.
The total becomes $74. But they had paid $75.
Where is the remaining $1?

The Prisoner

A prisoner is faced with a decision where he must open one of two
doors. Behind each door is either a lady or a tiger. They may be
both tigers, both ladies or one of each.

If the prisoner opens a door to find a lady he will marry her and
if he opens a door to find a tiger he will be eaten alive.
Of course, the prisoner would prefer to be married than eaten alive.

Each of the doors has a sign bearing a statement that may be
either true or false. The statement on door one says,
"In this room there is a lady, and in the other room there is a tiger."

The statement on door two says, "In one of these rooms there is a
lady, and in one of these rooms there is a tiger."

The prisoner is informed that one of the statements is true
and one is false.

Which door should the Prisoner open?

Count the Number

On my way to the fair, I met 7 jugglers and a bear, every juggler
had 6 cats,every cat had 5 rats, every rat had 4 houses, every
house had 3 mouses, every mouse had 2 louses, every louse had a spouse.
How many in all are going to the fair?

Monkey & Banana

A ten meter rope is looped through a pulley attached to the ceiling.
Half the rope dangles on one side, the other half on the other.
At one end of the rope is tied a one kilo bunch of bananas.
At the other end of the rope is a one kilo monkey.If the monkey
tries to climb the rope, what will happen?

Einstein's Puzzle

FACTS OF THE PUZZLE
[This quiz was made up by Albert Einstein and
according to him 98% will not solve it.]

There are five houses in five different colours.
In each house lives a person of a different nationality.
These five owners drink a certain beverage, smoke a
certain brand of cigarette and keep a certain pet.
No owners have the same pet, smoke the same brand
of smoke or drink the same drink.


HINTS

1] The Brit lives in the red house.
2] The Swede keeps dogs as pets.
3] The Dane drinks tea.
4] The green house is on the left of the white house.
5] The green house owner drinks coffee.
6] The person who smokes Pall Mall rears birds.
7] The owner of the yellow house smokes Dunhill.
8] The man living in the house right in the center
drinks milk.
9] The Norwegian lives in the first house.
10] The man who smokes Blend lives next to the one
who keeps cats.
11] The man who keeps horses lives next to the man
who smokes Dunhill.
12] The owner who smokes Blue Master drinks beer.
13] The German smokes Prince.
14] The Norwegian lives next to the blue house.
15] The man who smokes Blend has a neighbour who
drinks water.
The question is: WHO OWNS FISH?

4 Quarts

You have a 3-quart bucket, a 5-quart bucket, and an infinite
"supply of water. How can you measure out exactly 4 quarts?

Two jars, 50 red marbles and 50 blue marbles ?

You have two jars and 100 marbles. Fifty of the
marbles are red, and 50 are blue. One of the jars will
be chosen at random, then 1 marble will be withdrawn
from that jar at random. How do you maximize the chance
that a red marble will be chosen? (You must place all 100
marbles in the jars.)What is the chance of selecting
a red marble when using your scheme?

Four Dogs

There are four dogs, each at a corner of a large square.
Each of the dogs begins chasing the dog clockwise from it.
All of the dogs run at the same speed. All continuously
adjust their direction so that they are always heading
straight toward their clockwise neighbor. How long does it
take for the dogs to catch each other? Where does this
happen?

Rectangular Cake

How do you cut a rectangular cake into two equal pieces when
someone has already removed a rectangular piece from it?
The removed piece can be pf any size or orientation.
You are allowed just one straight cut.

Money puzzle

Mike and Todd have $21 between them. Mike has $20 more
than Todd. How much does each have?

Water Level

If you are on a boat and toss a suitcase overboard,
will the water level rise or fall?

Microsoft's Puzzle2

How many points are there on the globe where, by walking one
mile south, one mile east, and one mile north,you reach
the place where you started?

Microsoft's Puzzle

Why is it that, when you turn on the hot water in a hotel, the
hot water comes out instantly?

Three Ants

There are three ants at the three corners of a regular
triangle. Each ant starts moving on a straight line toward
another, randomly chosen corner. What is the probability
that none of the ants collide?

3 light switches

There are three switches in a hallway. One switch controls a
light fixture in a room at the far end of the hall. The door
to the room is closed, and you can't see whether the light
is on or off. You need to find out which of the three switches
controls the light. How can you be certain of finding that out,
making just one trip to the room?

Fuse Problem

You have two lengths of fuse. Each will burn for exactly one
hour. But the fuses are not necessarily identical and do
not burn at a constant rate. There are fast-burning sections
and slow-burning sections. How do you measure forty-five
minutes using only the fuses and a lighter?

How Many Eggs

A woman was carrying a basket of eggs to market when a
passer-by bumped her. She dropped the basket and all
the eggs broke. The passer-by, wishing to pay for
her loss, asked, 'How many eggs were in your basket?
I don't remember exactly, the woman replied, but I do
recall that whether I divided the eggs by 2,3,4,5 or 6
there was always one egg left over. When I took the
eggs out in groups of seven, I emptied the basket.

Toffees

A boy has few toffees.he is about to eat them when
one of his friend comes and asks him to share.He divides
them equally into 2 parts without any toffee remaining.
Then one more boy comes so he divides into 3 equal parts
without any toffee remaining.Then one more boy comes so
he divides into 4 equal parts without any toffee remaining.
Then one more boy comes so he divides into 5 equal parts
without any toffee remaining.Then one more boy comes so
he divides into 6 equal parts without any toffee remaining.
Then one more boy comes so he divides into 7 equal parts
but one toffee remains.
HOW MANY TOFFEES DID THE BOY ORIGINALLY HAVE?

Horse puzzles



There are 25 horses. In each race only 5 horses
can participate.How many races are required to select
best 5 horses out of 25?

Box Match

The following numbers are made up of matchticks ("0" with 6 matchsticks,"1" with 3 etc...). Write a 4-digit number (without a leading 0) with the digits in the given matchstick forms, so that when this number is divided by the number of matchsticks it's formed of, the quotient is a whole number (0,1,2...) Maximise the quotient ?

Example

The Peculiar Number


There is a number which is very peculiar. This
number is three times the sum of its digits. Can you
find the number?

Profit and loss problem


A man visits a gift shop and buys an article for Rs.80/-. He pays the shopkeeper a Rs.100/- note. The shopkeeper doesn't have any change. Thus he approaches his neighbouring shopkeeper and asks him for change. The neighbouring shopkeeper takes the Rs.100/- note and gives ten Rs.10/- notes to the shopkeeper. The shopkeeper then keeps eight(Rs.80/-) of the notes with him and returns the two(Rs.20/-) to the man. The man walks away with the article and Rs.20/-
After some time, the neighbouring shopkeeper finds that the Rs.100/- note is fake and asks for replacement with the shopkeeper. The shopkeeper with no other alternative gives his neighbour another 100 rupees. Now, what is the loss suffered by the shopkeeper?