If eleven plus two equals one, what does nine plus five equal?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

what's the probability of getting a king or a queen from a pack of 52 cards?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

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

Why Aeroplane windows are round?