If x% of ...

Question

If $x %$ of $250 + 25 %$ of $68 = 67$ , then the value of $x$ is __________.

10

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15

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20

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25

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Solution

The correct option is A $20$
According to the question,
$\frac{x}{100} \times 250 + \frac{25}{100} \times 68 = 67$

$\Rightarrow \frac{5 x}{2} + 17 = 67$
or
$5 x = 50 \times 2$
or
$x = 20$ Answer

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[\begin{matrix} 1 / 25 & 0 x & 1 / 25 \end{matrix}] = {[\begin{matrix} 5 & 0 - a & 5 \end{matrix}]}^{- 2}

[\begin{matrix} 1 / 25 & 0 x & 1 / 25 \end{matrix}] = {[\begin{matrix} 5 & 0 - a & 5 \end{matrix}]}^{- 2}

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