state gov DSSSB MTS 2024 Mock Test Quantitative Aptitude Average Weighted Average

Find the weighted arithmetic mean of the first 'n' natural numbers, the weights being the corresponding numbers.

1
\(\rm \frac{{\{ n(n + 1)(2n + 1)\} }}{6}\)
2
\(\rm \frac{{\{ n(n + 1)\} }}{2}\)
3
\(\rm \frac{{(2n + 1)}}{3}\)
4
n
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