What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Why 1729 is a magic number? Answer Logically.

Can you make four (4) nines (9) equal 100?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What is black when you buy it, red when you use it, and gray when you throw it away?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

John was piloting a plane behind a car but was never able to overtake it. Why?

Can you find the missing piece of the Porsche?