# 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

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