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If the mean of 5, 7, x, 10, 5, and 7 is ...

If the mean of 5, 7, x, 10, 5, and 7 is 7, then find the value of x.

A

6

B

7

C

8

D

9

Text Solution

Verified by Experts

The correct Answer is:
C

Mean `=(5+7+x+10+5+7)/6=7`
`34+x=42`
`x=42-34`
`x=8`
Hence, the correct option is (c).
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