Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

What always comes into a house through the keyhole?

Who can jump higher than a Mountain?

What jumps when it walks and sits when it stands?

A woman lives in a skyscraper thirty-six floors high and is 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?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

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

Count the squares in the matchstick puzzle below?