ABC26GN3018 · Ratio and Proportion

Subject: General Aptitude · Chapter: Ratio and Proportion · Exam: · Marks: · Difficulty:

If $\frac{1}{x}: \frac{1}{y}: \frac{1}{z}=2: 3: 5$, then $x: y: z$ is equal to
(a)2 : 3 : 5
(b)15 : 10 : 6
(c)5 : 3 : 2
(d)6 : 10 : 15
Answer
Answer (as printed): B
Explanation
$$\frac{1}{x}: \frac{1}{y}: \frac{1}{z}=2: 3: 5 \Rightarrow x: y: z=\frac{1}{2}: \frac{1}{3}: \frac{1}{5}=15: 10: 6 .$$

Explanation as extracted from the printed page; notation may be imperfect.

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