What number do you get when you multiply all of the numbers on a telephone's number pad?

What is the centre of gravity?

What will you call your mother's brother's brother-in-law?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

Count the number of lines in the image below ?

What always comes into a house through the keyhole?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

Do You See It?

Can you count the number of triangles in the given figure?