Can you place three balls such that the equation shown in the picture holds true?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Two friends were stuck in a cottage. They had nothing to do and thus they started playing cards. Suddenly the power went off and Friend 1 inverted the position of 15 cards in the normal deck of 52 cards and shuffled it. Now he asked Friend 2 to divide the cards into two piles (need not be equal) with equal number of cards facing up. The room was quite dark and Friend 2 could not see the cards. He thinks for a while and then divides the cards in two piles.

On checking, the count of cards facing up is same in both the piles. How could Friend 2 have done it ?

How can a man go eight days without sleep?

You along with your friend are standing in front of two houses. Each of those houses inhabits a family with two children.

Your friend tells you the below two facts:
1) On your left is a family that has a boy who likes accounts but the other child loves science.
2) On the right is a family with a seven-year-old boy and a newborn baby.

You ask him, "Does either of the family have a girl?"

To this, he replies, "I am not quite sure. But can you guess that? If you are right, I will give you $500."

Which family do you think is likely to have a girl?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

How many times do a clock's hands overlap in a day ?

People make me, save me, change me, raise me. What am I?

what one word does the below rebus identifies?