Question

In mixture of 28 litres, the ratio of milk and water is 5:2. if 2 litres of water is added to the mixture, find the ratio of milk and water in the new mixture

Answer 1

Let constant be x
5 x + 2x=28
7 x= 28
So X = 28/7=4
then in water
2×4 = 8 litre
When 2 litre in water
8+2 =10 litre
Milk will 20 litre
Ratio become
20/10=2:1
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Answer 2

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Milk= 28/5+2*5=20 litre

Water= 28/7*2=8litre

New ratio = 20/8+2 =20/10

2:1 answer