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

What seven-letter word has hundreds of letters in it?

A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?

what one word does the below rebus identifies?

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?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

You have a thousand Re. 1 coins with you. You have ten bags with you and you can put any number of coins in each of the bags. The condition is that if someone asks you for any amount between 1 and 1000, you must be able to give that amount by just giving the bag (you are not allowed to open the bag and give coins).

How will you do it?

The Little ant seems to be always confused. Do you know why?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

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