If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

I have Rs.50 and I spend it in the way as below.

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

Who is that with a neck and no head, two arms and no hands? What is it?

What can jump higher than a building?

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?