You have two jugs. One holds exactly 3 gallons and the other 5 gallons of water. You have unlimited supply of water. How do you fill 4 gallons of water into the five-gallon jug?

Riddle Answer# Math Riddles

## Weighing 9 Balls

There are 9 balls that are identical. Only one ball is heavier than the rest. You also have a two-armed scale with which to measure the weight of the balls. How can you find the heavier ball by using the scale only twice?

Riddle Answer## Two Men Two Fishes

Two men catch two fishes in 2 minutes. At this rate, how many men are needed to catch 500 fishes in 500 minutes?

Riddle Answer