There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

There is an ancient kingdom where every married woman keeps information regarding the fidelity of other men. However, what they don't know is the fidelity of their own husbands. Also, there is an ancient belief that they don't tell each other about the fidelity of their husbands.

On a certain day, the queen of the kingdom declares that she has identified at least one unfaithful man in the kingdom. She allows the wives to identify and gives them authority to kill their husbands if they are unfaithful at midnight.

How will the wives manage it?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?