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

What Adam and Eve do not have but the rest of the people have?

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

The centre of the third figure is empty. What digit should fit inside?

What is both possible and impossible at the same time?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------