Why do people go to bed?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

What time is it when an elephant sits on a fence?

When we see 2 but call 10?

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

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

What have one eye but still cannot see?