Quantitative Aptitude Ques 2227

Question: The vessels A and B contains acid and water in the ratio 4: 3 and 5: 3, respectively. Then, the ratio in which these mixtures to be mixed to obtain a new mixture in vessel C containing acid and water in the ratio 3 : 2 is

Options:

A) 5 : 8

B) 7 : 8

C) 7 : 5

D) 4 : 7

Show Answer

Answer:

Correct Answer: B

Solution:

  • In Vessel A, part of acid $ =\frac{4}{7} $ In Vessel B, part of acid $ =\frac{5}{8} $ In Vessel C, part of acid $ =\frac{3}{5} $ By Alligation rule

$ \therefore $ Required ratio $ =\frac{1}{40}:\frac{1}{30}=35:40=7:8 $

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