There are two mixtures of milk and water, the quantity of milk in them being 20% and 80% of the mixture. If 2 litres of the first are mixed with three litres of the second, what will be the ratio of milk to water in the new mixture?

1:11

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7:11

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12:11

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14:11

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Solution

The correct option is D 14:11
The percentage of milk in the new mixture would be:
$\frac{(2 \times 20) + (3 \times 80)}{5} = \frac{280}{5} = 56 %$
Thus, the ratio of milk: water in the new mixture = 56:44 = 14:11

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There are two mixtures of milk and water, the quantity of milk in them being 20% and 80% of the mixture. If 2 litres of the first are mixed with three litres of the second, what will be the ratio of milk to water in the new mixture?

The correct option is D 14:11The percentage of milk in the new mixture would be: (2×20)+(3×80)5=2805=56% Thus, the ratio of milk: water in the new mixture = 56:44 = 14:11

The correct option is D 14:11
The percentage of milk in the new mixture would be:
$\frac{(2 \times 20) + (3 \times 80)}{5} = \frac{280}{5} = 56 %$
Thus, the ratio of milk: water in the new mixture = 56:44 = 14:11