In two vessels A and B, there is mixture of milk and water. The ratio of milk and water in these vessels is 5:2 and 8:5, respectively. In what ratio these mixtures be mixed together, so that the ratio of milk and water in the new mixture becomes 9:4?

7 : 2

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2 : 7

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3 : 5

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5 : 3

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7 : 9

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Solution

The correct option is A 7 : 2

Here, we apply the rule of alligation,

$= \frac{1}{13} : \frac{65 - 63}{91} = \frac{1}{13} : \frac{2}{91} = 7 : 2$
$∴$ Required ratio =7 : 2

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The milk and water in two vessels A and B are in the ratio 4:5 and 7:2 respectively. In what ratio the liquids in both the vessels be mixed to obtain a new mixture in vessel C consisting half milk and half water?

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In two vessels A and B, there is mixture of milk and water. The ratio of milk and water in these vessels is 5:2 and 8:5, respectively. In what ratio these mixtures be mixed together, so that the ratio of milk and water in the new mixture becomes 9:4?

The correct option is A 7 : 2 Here, we apply the rule of alligation, =113:65−6391=113:291=7:2 ∴ Required ratio =7 : 2

The correct option is A 7 : 2

Here, we apply the rule of alligation,

$= \frac{1}{13} : \frac{65 - 63}{91} = \frac{1}{13} : \frac{2}{91} = 7 : 2$
$∴$ Required ratio =7 : 2