A jar containing 60litres of mixture of milk and water The respective ratio of milk and water in the...........

Quantitative Aptitude ( CCS) Mixture and Alligation

A jar containing 60litres of mixture of milk and water. The respective ratio of milk and water in the ratio 7:5. From the jar 12litres of mixture was taken out and 6 litres of pure milk was added. What is the respective ratio of milk and water after the final operation ?

17:10

12:17

13:19

9:7

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Explanation:

7x+5x = 60
Milk = 35litres, water = 25litres
10litres of mixture taken out
Milk = 35-12(7/12) = 35-7 = 28
Water = 25-12(5/12) = 25-5 = 20
28+6 : 20 = 34:20 = 17:10