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

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?

Can you replace the question mark with the correct number?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Complete the table series riddle by finding the number that can replace "??".

How many times in a given day, minutes and hour clock comes in a straight line ?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?