# Measure Exact 4litres using 2 jars

If you had an infinite supply of water and a 5 litre and 3 litre jar,

**How would you measure exactly 4 Litres of water?**

*Note- No markings are present on jar*

**Step 1** : First, fill the 5 liter jug and then pour it into the 3 liter jug. The 5 liter jug now has only 2 liters left.

**Step 2** : Next, empty out the 3 liter jug. Then, pour the 2 liters from the 5 liter jug to the 3 liter jug. So, now the 3 liter jug has 2 liters.

**Step 3** : Fill the 5 liter jug again, and pour 1 liter into the 3 liter jug. Now, exactly 4 liters is present in 5 liters jar!

jug1 jug2

5 3

5 0 Pour from Jar1 to Jar2

2 3

2 0 Empty jar 2

0 2 Pour from Jar1 to Jar2

5 2 Pour from Jar1 to Jar2 – Only 1 liter can be poured

4 3 ———— 4 Liter —— left in jar1

Step 1: Fill the 3 litre jar first and then transfer it to the 5 litre jar

Step 2: then again fill the 3 litre jar and fill the remaining 5 litre jar(now 5 l jar is completely filled and you are left with 1 litre in 3 l jar)

Step 3:empty the 5 l jar and transfer 1 litre from 3l to 5l jar.

Step 4:fill the 3 litre jar again and transfer it to the 5 litre jar making it 4.

5 3

________

0 0

0 3

3 3

5 1

1 3

4 0

if the jar top to bottom same size then the answer is

first fill the water in three litre jar , and put that water in five litre jar and now mark the water level , after measuring fill the water full in that five litre jar, after that the empty three litre jar fill the water since the measurement reach in five litre jar , so now the water present in the jar 2 liters

Two times measure like that got 4 litres

You are saying we have to repeate two times?

But since we have 2 jars only, so where will you store 2 liters of water after first turn?

### Your Answer

## More puzzles to try-

### What is the logic behind these ?

3 + 3 = 3 5 + 4 = 4 1 + 0 = 3 2 + 3 = 4 ...Read More »### Five greedy pirates and gold coin distribution Puzzle

Five puzzleFry ship’s pirates have obtained 100 gold coins and have to divide up the loot. The pirates are all ...Read More »### Defective stack of coins puzzle

There are 10 stacks of 10 coins each. Each coin weights 10 gms. However, one stack of coins is defective ...Read More »### Dr. Willam and surgical gloves puzzle

Dr.Willam wants to operate for three different persons who were wounded. But he had only two surgical gloves. There is ...Read More »### Which clock works best?

Which clock works best? The one that loses a minute a day or the one that doesn’t work at all?Read More »### To which one will the needle touch 1 OR 2

In the gear arrangement, To which one will the needle touch, 1 OR 2Read More »### How did he know?

A man leaves his house in the morning to go to office and kisses his wife. In the evening on ...Read More »### Which letter replaces the question mark

Which letter replaces the question markRead More »### Crossing the Bridge Puzzle (Bridge and torch problem)

A bridge will collapse in 17 minutes. 4 people want to cross it before it will collapse. It is a ...Read More »### Probability of having boy

In a country where everyone wants a boy, each family continues having babies till they have a boy. After some ...Read More »### Magical flowers!!

A devotee goes to three temples, temple1, temple2 and temple3 one after the other. In front of each temple, there ...Read More »### How many times a day do all three hands of analog watch overlaps?

There is a perfectly accurate analog watch with hour, minute, and second hands. How many times a day do all three ...Read More »### Tuesday, Thursday what are other two days staring with T?

Four days are there which start with the letter ‘T‘. I can remember only two of them as “Tuesday , Thursday”. ...Read More »### How could only 3 apples left

Two fathers took their sons to a fruit stall. Each man and son bought an apple, But when they returned ...Read More »### How Many Eggs ?

A farmer is taking her eggs to the market in a cart, but she hits a pothole, which knocks over ...Read More »### Minimum number of persons needed to cross a Desert

In the middle of the confounded desert, there is the lost city of “Ash”. To reach it, you will have ...Read More »### Lateral thinking sequence Puzzle

Solve this logic sequence puzzle by the correct digit- 8080 = 6 1357 = 0 2022 = 1 1999 = ...Read More »### Pizza Cost Math Brain Teaser

Jasmine, Thibault, and Noah were having a night out and decided to order a pizza for $10. It turned out ...Read More »### Which room is safest puzzle

A murderer is condemned to death. He has to choose between three rooms. The first is full of raging fires, ...Read More »### Overthrow your math teacher!

Some numbers are very mysterious. They are all integers. They have more than one digit. If you multiply them with ...Read More »