3 and 5 litre water Jug to measure 4 litres interview puzzle

(Last Updated On: June 21, 2017)

You have a 3 litre jag and a 5 litre water jug. Jug does not have any marking. You have plenty of water or running tap. How would you measure 4 litres of water?

Note that except 3 and 5 litre jug you don’t have any container or jug but only 3 and 5 litter jug.

Solution:

Steps:

Fill the 3-litter jug with water and pour into 5 litre jug

-5 litre jug contains 3 litres water.

Again, fill the 3-litter jug with water and pour into 5 litre jug (Now 5 litter Jug contains 5 litre water and 3 litre jug contains 1 litre water.

Empty 5 litre jug and pour 1 litre water from 3 litre jug (now, 5 litre jug contains 1 litre water)

Again, fill 3 litre jug and pour it into 5 litre jug (Now 5 litre jug contains 4 litre water)

 

You can read here another related 3 jugs interview puzzle.