10+10 and 11+11 can give you the same answer.

Explain how?

What can you see in the middle of March and April that you can never see in any other month?

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

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

What time is it when an elephant sits on a fence?

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 ?

I have teeth but i don't bite. Who Am I ?