Find three whole, positive numbers that have the same answer when multiplied together as when added together.

What has hands, but can’t clap?

A woman lives in a Tall building thirty-six floors high and 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?

Can you count the number of blocks in the picture below?

who is silent in the parliament?

What kind of band never plays music?

Mr Black, Mr Gray, and Mr White are fighting in a truel. They each get a gun and take turns shooting at each other until only one person is left. Mr Black, who hits his shot 1/3 of the time, gets to shoot first. Mr Gray, who hits his shot 2/3 of the time, gets to shoot next, assuming he is still alive. Mr White, who hits his shot all the time, shoots next, assuming he is also alive. The cycle repeats. If you are Mr Black, where should you shoot first for the highest chance of survival?

Find the next number in the series below

21 32 54 87 131 ?

What do you call a fish without an eye?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?