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Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class11  >>  Statistics
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Q)

The A.M of squares of first $n$ natural numbers is

$\begin {array} {1 1} (A)\;\large\frac{n+1}{6} & \quad (B)\;\large\frac{n^2-1}{6} \\ (C)\;\large\frac{(n+1)(2n+1)}{6} & \quad (D)\;None\: of \: these \end {array}$

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