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

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

John was piloting a plane behind a car but was never able to overtake it. Why?

Which fur should we be getting from the Lion?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

No matter how little or how much you use me, you change me every month. What am I?

You see me once in June, twice in November, and not at all in May. What am I?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?