At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

By what process could you make a 'Tea-Table' into food?

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?

Using exactly three matchsticks, can you divide the area into two equal parts?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

I know a nine-letter word having only one vowel.
Do you ?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Which number should replace the question mark?

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?