Question

The ratio of milk to water in 80 litres of a mixture is 7 : 3. The quantity of water (in litres) to be added to it to make the ratio 2 : 1, is ______.

Options

• 4

• 5

• 6

• 8

Answer 1

The ratio of milk to water in 80 litres of a mixture is 7 : 3. The quantity of water (in litres) to be added to it to make the ratio 2 : 1, is 4.

Explanation:

The mixture contains 56 L of milk and 24 L of water. To make the ratio 2 : 1, the water must total 28 L, so 4 L must be added.