NIFT PG 2019 Question Paper with solutions

Question : 15 of 150

Marks: +1, -0

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 ?

Solution:

Here, we apply the rule of alligation,

=\;{1}/{13}: \;{65-63}/{91}=\;{1}/{13}: \;{2}/{91}=7: 2

∴

Required ratio

=7: 2

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