What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

How can a man go eight days without sleep?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

Which alphabet letter is a question?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

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

Find the smallest sentence with all the English alphabet.

What is both possible and impossible at the same time?

Can you make a six-letter word using the letters N, A and B ?