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

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

What does does this rebus picture means ?

Can you divide the below-given shape into four equal and identical pieces?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

When it is alive we sing, when it is dead we clap our hands. What is it?