A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

How can you tell a raw egg from a hard-boiled egg?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

What type of curtain does this rebus mean

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?