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The mean of first n odd natural numbers ...

The mean of first `n` odd natural numbers is `(n^2)/(81)` , then `n=` (a) 9 (b) 81 (c) 27 (d) 18

A

9

B

81

C

27

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
`"Mean" = ("Sum of the observations")/("Total number of observations")`
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