Replace the question mark with the correct number below.

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

Whats the next number in the below number sequence pattern.

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

What has to be broken before you can use it?

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

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

What does below chemistry rebus means?