If 1/x: 1/y: 1/z=2: 3: 5, then x: y: z is equal to · ABC26GN3018

Subject: General Aptitude · Chapter: Ratio and Proportion

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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