I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Which is faster, Heat or Cold ? Explain.

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

Different lights make me strange by changing me into different sizes. What am I?

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

When can we add 2 to 11 and get 1 as the correct answer?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

What occurs twice in a week, once in a year but never in a day?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?