A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

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

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

When 99 is considered higher than 100?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Take away the whole and some still remain. What is it?

What is both possible and impossible at the same time?

Three friends decide to distribute the soda cans they had among them. When all of them had drunk four cans each, the total number of cans that remained was equal to the cans each one of them had after they had divided the cans.

Can you calculate the total number of cans before distribution?

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to a different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out on the third floor.

Can you find out who leaves the lift on which floor?