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Question

If $10 %$ of $x = 20 %$ of $y$ , then $x : y$ is equal to
$5 : 1$
$2 : 1$
$1 : 2$
$10 : 1$

A

1 : 2

B

5 : 1

C

10 : 1

D

2 : 1

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Solution

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Given,

$10 %$ $x$ $= 20 %$ $y$

$⟹ \frac{10}{100} x = \frac{20}{100} y$

$⟹ \frac{x}{y} = \frac{20}{10} = \frac{2}{1}$

$∴ x : y = 2 : 1$

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