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

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

If 1+9+8=1, what is 2+8+9?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Replace the question mark with the correct number in below Picture:

Why 1729 is a magic number? Answer Logically.

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

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