A jar full of whisky contains 40% alcohol. A part of this whisky is replaced by another containing 19% alcohol and now the percentage of alcohol was found to be 26%. The quantity of whisky replaced is:

Question

Accepted Answer

By the rule of alligation, we have: Strength of first jar Strength of 2nd jar 40%

Strength of first jar Strength of 2^nd jar
40%	Mean Strength 26%	19%
7		14

∴ Required quantity replaced =	2
	3

A jar full of whisky contains 40% alcohol. A part of this whisky is replaced by another containing 19% alcohol and now the percentage of alcohol was found to be 26%. The quantity of whisky replaced is:

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