Quantitative Aptitude Ques 429

Question: If $ 3x=5y=4z, $ then $ x:y:z $ equal to

Options:

A) 19 : 12 : 16

B) 15 : 10 : 9

C) 20 : 12 : 15

D) 8 : 4 : 9

Show Answer

Answer:

Correct Answer: C

Solution:

  • Let $ 3x=5y=4z=k $

$ \Rightarrow $ $ x=\frac{k}{3}, $ $ y=\frac{k}{5}, $ $ z=\frac{k}{4} $ $ x:y:z=\frac{k}{3}:\frac{k}{5}:\frac{k}{4}=20,k:12,k:15,k $ $ =20:12:15 $

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