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if x < y < 2x and the mean and median of...

if `x < y < 2x` and the mean and median of `x,y,2x` are `15,12` respectively then `x`

A

7

B

11

C

10

D

8

Text Solution

Verified by Experts

The correct Answer is:
B
We have,
Mean = 15 and, Median = 12
`rArr (x+y+2x)/(3) =15 and y=12 rArr x=11, y= 12`
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