Question

6. A dishonest milkman professes to
sell his milk at cost price but he mixes
it with water and thereby gains 25%.
The percentage of water in the
mixture is:​

Answer 1

$\huge\bold\star\red{Answer}$

Correct Answer is 20......☺

Answer 2

Answer:

20%

Step-by-step explanation:

Let C.P. of 1 liter milk be Rs. 1

Then, S.P. of 1 litre of mixture = Rs. 1, Gain = 25%

C.P. of 1 litre mixture = Rs. ($\frac{100}{125}$$*1$) = 45

By the rule of alligation, we have:

∴ The Ratio of milk to water = $\frac{4}{5}$ $: \frac{1}{5}$

Hence, the percentage of water in the mixture = $\frac{1}{5}*100$$%$%

= 20%

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