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

There is something which you can be arrested for attempting but not for successfully completing.

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

Can you move 2 matchsticks to form four equal sized squares.

You can see it everyday, But cannot touch it at will. What is it?

Which part of London exists in France as well ?

Why do people go to bed?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?