You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

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 is the difference between a jeweller and a jailer?

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

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

The more you take me, the more you leave me behind.
Who Am I?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?