Gujarati
Hindi
4.Average
easy

If the difference between the average of $x, y$ and $y$, $z$ is $12,$ then the difference between $x$ and $z$ is

A

$24$

B

$48$

C

$12$

D

$6$

Solution

$\frac{x+y}{2}-\left(\frac{y+z}{2}\right)=12$

$x-z=24$

Standard 13
Quantitative Aptitude

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