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NIELIT 2016 MAR Scientist D: 69

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Assume that number is $x$, Now according to the question:

$\Rightarrow  x+2x =69$

$\Rightarrow 3x = 69$
$\Rightarrow x=\frac{69}{3}$
$\Rightarrow x =23$

Option $(C)$ Is correct.
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