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

1. Where does Easter come from before Valentine's Day?

2. Do you know what is in the middle of Valentine's?

3. What did the lady bee say to the man bee on the occasion of Valentine's Day

Replace the question mark with the correct number in the below-given picture?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

Why is the Hole below a Lock?

Can you decipher the two rows to find the hidden word?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

Why do you find that most of the buildings are deprived of the 13th floor?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

Can you find out which options fits best with the missing column?