Quantitative Aptitude Ques 1265

Question: The average weight of three brothers is 68 kg. If their weights are in the ratio 3 : 4 : 5, the weight of the heaviest of the three brothers is

Options:

A) 85 kg

B) 70 kg

C) 90 kg

D) 82 kg

Show Answer

Answer:

Correct Answer: A

Solution:

  • Total weight of three persons $ =68\times 3=204 $ Ratio of weight of three person are $ 3:4:5. $ Weight of heaviest person $ =\frac{5}{(3+4+5)}\times 204 $ $ =\frac{5}{12}\times 204=5\times 17=85kg $
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