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Median

If x<y<2x a...

Question

If $x < y < 2 x$ and the mean and median of $x, y, 2 x$ are $15$ and $12$ respectively, then $x$ is equal to

A

7

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B

11

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C

10

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D

8

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Solution

The correct option is C $11$
We have, Mean $= 15$ and Median $= 12$

$\Rightarrow \frac{x + y + 2 x}{3} = 15$ and $y = 12$

$\Rightarrow x = 11, y = 12$

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