I don't get anymore wetter, no matter how much rain falls on me.

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

What has hands, but can’t clap?

You need to move three matchsticks to form three squares. Can you do it?

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

Can you find out the remainder when 3^300 is divided by 5?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

What is both possible and impossible at the same time?