There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

I have branches, but no fruit, trunk or leaves. What am I?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Who can jump higher than a Mountain?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

How can a man go eight days without sleep?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.