ABC26GN2328 · Percentage

Subject: General Aptitude · Chapter: Percentage · Exam: · Marks: · Difficulty:

If $x \%$ of $y$ is 100 and $y \%$ of $z$ is 200, find a relation between $x$ and $z$.
(a)$z=\frac{x}{2}$
(b)$z=2 x$
(c)$z=\frac{x}{4}$
(d)$z=4 x$
Answer
Answer (as printed): B
Explanation
Clearly, $y \%$ of $z=2(x \%$ of $y) \Rightarrow \frac{y z}{100}=\frac{2 x y}{100} \Rightarrow z=2 x$.

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

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