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

What has one letter and starts with an E?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

What does this Rebus Picture means ?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?