I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

How is a fly different from a mosquito?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

Buy me, smell me or deliver me, I do not change.

Who am I?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

The answer I give is yes, but what I mean is no. What was the question?

What kind of storm is always in a rush?

What always comes into a house through the keyhole?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?