What goes up but never comes down?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Identify The phrase in the picture.

What always comes into a house through the keyhole?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

What is red and smells like blue paint?

How many times can you subtract the number 5 from 25?

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

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?