A 20L mixture of milk water is in the ratio 5:3. If 4L of this mixture is to be replaced by 4L of milk, the ratio of milk to water in the new mixture would be

6 : 5

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7 : 3

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3 : 7

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5 : 6

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Solution

The correct option is B
7 : 3

Quantity of milk in a mix = $(16 \times \frac{5}{8})$ = 10 litres .
Quantity of milk in 20 litres of new mix = ( 10 + 4 ) = 14 litres .
Quantity of water in it ( 20 -- 14 ) = 6 litres.
Ratio of milk and water in the new ratio mix is = 14 : 6 = 7 : 3

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A 20L mixture of milk water is in the ratio 5:3. If 4L of this mixture is to be replaced by 4L of milk, the ratio of milk to water in the new mixture would be

The correct option is B 7 : 3 Quantity of milk in a mix = (16 × 58) = 10 litres . Quantity of milk in 20 litres of new mix = ( 10 + 4 ) = 14 litres . Quantity of water in it ( 20 -- 14 ) = 6 litres. Ratio of milk and water in the new ratio mix is = 14 : 6 = 7 : 3

The correct option is B
7 : 3

Quantity of milk in a mix = $(16 \times \frac{5}{8})$ = 10 litres .
Quantity of milk in 20 litres of new mix = ( 10 + 4 ) = 14 litres .
Quantity of water in it ( 20 -- 14 ) = 6 litres.
Ratio of milk and water in the new ratio mix is = 14 : 6 = 7 : 3