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May 29, 2009

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 ?

May 21, 2009

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?

May 15, 2009

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.

May 5, 2009

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?