5 Liters Measuring Puzzle

February 2, 2022

Puzzle for Measuring 5 Liter

This is a puzzle where you need to measure 5 liter of water in one of the jars that is given.

You are given four different jars of different capacity – 2 liters, 4 liters, 6 liters and 8 liters respectively with an unlimited water supply.

Then you are asked to measure exactly 5 liters of water using all of them.

Question:

How will you do it?

Puzzle for Measuring 5 Liter

5 liter water measuring

Puzzle - Measuring 5 liter in Jars

Information provided:

  • We have 4 jars of water.
  • Size  of jars —-> 2 L, 4 L, 6 L, and 8 L.
  • Water supply is unlimited.

Step Wise Explanation:

Step 1:

  • We have 4 jars, of different size.
  • First we need to fill the 4-Liters jar completely.
  • Now, empty it in the 6-Liters jar.
  • Now, 4 liters jar is empty and 6 Liters jar is filled up to 4 liters.
  • Fill the 4 liters jar again.
  • So now, we have 4 liters water in both the jars i.e., 4 liters and 6 liters respectively.
measuring 5 liter puzzle

Step 1:

  • We have 4 jars, of different size.
  • First we need to fill the 4-Liters jar completely.
  • Now, empty it in the 6-Liters jar.
  • Now, 4 liters jar is empty and 6 Liters jar is filled up to 4 liters.
  • Fill the 4 liters jar again.
  • So now, we have 4 liters water in both the jars i.e., 4 liters and 6 liters respectively.

Step 2:

  • Next, take both the 4 liter and 6 liter jar, and pour both of them into 2 liter empty jar at the same rate.
  • Now, as we are emptying both the jar at same rate, the 2 liter jar will be filled completely
  • This leave both 4 liter and 6 liter jar containing only 3 liters each.
water measure
puzzle for interviews

Step 3:

  • Use either of the 4 liter or 6 liter jar which has 3 liters of water and use the 2 liter jar filled with water to fill the 8 liter jar.
  • Finally the 8 liter jar has the 5 liters of water in it as asked.
step 3

Puzzle - Measuring 5
liter in Jars

Information provided:

  • We have 4 jars of water.
  • Size  of jars —-> 2 L, 4 L, 6 L, and 8 L.
  • Water supply is unlimited.

Step Wise Explanation:

Step 1:

  • We have 4 jars, of different size.
  • First we need to fill the 4-Liters jar completely.
  • Now, empty it in the 6-Liters jar.
  • Now, 4 liters jar is empty and 6 Liters jar is filled up to 4 liters.
  • Fill the 4 liters jar again.
  • So now, we have 4 liters water in both the jars i.e., 4 liters and 6 liters respectively.
measuring 5 liter puzzle

Step 2:

  • Next, take both the 4 liter and 6 liter jar, and pour both of them into 2 liter empty jar at the same rate.
  • Now, as we are emptying both the jar at same rate, the 2 liter jar will be filled completely
  • This leave both 4 liter and 6 liter jar containing only 3 liters each.
water measure
puzzle for interviews

Step 3:

  • Use either of the 4 liter or 6 liter jar which has 3 liters of water and use the 2 liter jar filled with water to fill the 8 liter jar.
  • Finally the 8 liter jar has the 5 liters of water in it as asked.
step 3
puzzle solution for measuring 5 litres

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