How can a man go eight days without sleep?

Can you count the number of children in the picture below

How can you take 2 from 5 and leave 4?

I add 5 to 9 and get 2. The answer is correct, so what am I?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

Peter wakes up daily to pick up his cycle and crosses the border between Spain and France daily with a bag on his shoulder. He is investigated daily by the officials but they don't find anything suspicious.

If we tell you that he is smuggling something what would it be?

A woman shoots her husband.

Then she holds him under water for over 5 minutes.

Finally, she hangs him.

But 5 minutes later they both go out together and enjoy a wonderful dinner together.

How can this be?