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?
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 ?
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.
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?
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?
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 ?
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. ]
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!!!!!
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?
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?