I travel all around the world but always stay in the corner. What am I?

When it is alive we sing, when it is dead we clap our hands. What is it?

If six children and two dogs were under an umbrella, how come none of them got wet?

What is harder to catch the faster you run?

Keyboard words are not in alphabetical order, Why?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

What brings you down but never up?