ABC26GN2908 · Ratio and Proportion

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

If $10\%$ of $x$ is equal to $20\%$ of $y$, then find $x: y$.
Answer
Answer (as printed):
Explanation
$10\%$ of $x=20\%$ of $y \Rightarrow \frac{10}{100}x=\frac{20}{100}y \Rightarrow \frac{x}{10}=\frac{y}{5} \Rightarrow \frac{x}{y}=\frac{10}{5}=\frac{2}{1}$. Hence, $x:y=2:1$.

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

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