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

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Bobby and Wilbur decided to take their respective car out of the garage and race. None of them cheated and they both stood at the start time and decided to cover a distance in full throttle. The first to reach the mark was to be declared the winner.

Upon reaching the finishing mark, they found out that Bobby's car was 1.2 times faster than Wilbur's. Now, Wilbur had reached the mark about 1 minute and 30 seconds later than Bobby. Bobby's car reached the mark of 60 MPH on average.

Can you calculate the distance between the starting mark and the final mark with the help of the given data?

Why Wine Glass Stem is so long?

I cannot talk, but I always reply when spoken to. What am I?

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 am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?