WhatsApp Puzzle: How Can You Measure 4 Gallons?

Solving brainteasers offers numerous benefits beyond just being an entertaining pastime. Firstly, it helps to sharpen cognitive abilities and enhance problem-solving skills. By engaging in puzzles and riddles, the brain gets the opportunity to exercise its ability to reason and think critically. Secondly, solving brainteasers can be a great stress reliever, as it helps to divert the mind from day-to-day worries and focus on something challenging yet enjoyable. Thirdly, it can boost confidence and self-esteem as one masters different types of puzzles. Lastly, it can be a great way to connect with others and foster a sense of camaraderie, as people can solve puzzles and brain teasers together.


You have a five-gallon jug and a three-gallon jug. How can you measure exactly four gallons of water, using only these two jugs?

Hint: You don’t need any other equipment, and you don’t need to make any marks on the jugs.

So were you able to solve the riddle? Leave your answers in the comment section below.


You can check if your answer is correct by clicking on show answer below. If you get the right answer, please do share the riddle with your friends and family on WhatsApp, Facebook and other social networking sites.

Answer & Explanation:

To measure exactly four gallons of water using only a five-gallon jug and a three-gallon jug, follow these steps:

  1. Fill up the five-gallon jug completely with water.
  2. Pour the water from the five-gallon jug into the three-gallon jug until the three-gallon jug is full. This leaves two gallons of water in the five-gallon jug.
  3. Dump out the water from the three-gallon jug, and pour the two gallons of water from the five-gallon jug into the three-gallon jug.
  4. Fill up the five-gallon jug completely with water again.
  5. Pour water from the five-gallon jug into the three-gallon jug until the three-gallon jug is full. Since there were already two gallons of water in the three-gallon jug from step 3, it will only take one more gallon of water to fill it up.
  6. This leaves exactly four gallons of water in the five-gallon jug.

Exit mobile version