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

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

What number divided by 4 is the same as that number minus 4?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Our product and our sum always give the same answer. Who are we?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?