Question

Question No. 9
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Question
Choose the correct alternative.
Milk to water ratio was 5:6 and 7:5 in the milk sold by A and B respectively. One day they mixed their milk in ratio 2:3. What was the approximate
percentage of pure milk in the mixture?

Answer 1

Answer:

In A, ratio of milk to water is = 4:5

In B, ratio of milk to water is = 5:1

Ratio of milk to water when A and B mixed = 5:4

Quality of milk in A=

9

4

Quality of milk in B=

6

5

Quality of milk in final mixture =

9

5

Applying rule of Allegation,

REF image

We get,

A:B as 5:2