How can a man go eight days without sleep?

What does this rebus puzzle means ?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

I am quite hot but become too cold if you remove the first two letters. What am I?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Which digit occurred maximum times between the number 1 and 1000?

What Deficiency does the below rebus represent?

VIT_MIN