In mixture of 45 litres, the ratio of milk and water is 4:1. How much water must be added to make th

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08 May 2013 Solve

In mixture of 45 litres, the ratio of milk and water is 4:1. How much water must be added to make the ratio 3:2?

OPtion

1) 36 litre
2) 24 litre
3) 18 litre
4) 16 litre
5) 15 litre
6) 12 litre
7) 9 litre
8) 6 litre
9) 3 litre
10)None of these

Solution

find quantity of milk and water in a mixture (using ratio 4:1 and quantity 45 litre)
that is 36 litre and 9 litre respectively
let the quantity of water to be added be x litre, then the according to given condition
36/(9+x)=3/2
solve
ans is 15 litre
option 5

Correct Option: 5 Best Solution (0)