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The mean of 25 observations is 36. If th...

The mean of 25 observations is 36. If the mean of the first 13 observations is 32 and that of the last 13 observations is 39 then the `13^(th)` observation is :

A

24

B

36

C

30

D

28

Text Solution

Verified by Experts

The correct Answer is:
B
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