How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

What can go through glass without breaking it?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

What word is pronounced the same if you take away four of its five letters?