CAT Exam Category

A jar contain full of whisky contain 40% alcohol.a part of the whisky is replaced by another containing 19% alcohol.the % of alcohol was found to be 26.part of the whisky replaced?

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By the rule of alligation, we have:

Strength of first jar 1 and Strength of 2nd jar
40% Mean
Strength
26% 19%
7 14
So, ratio of 1st and 2nd quantities = 7 : 14 = 1 : 2

Required quantity replaced = 2/2+1 =2/3
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