Quantitative Aptitude Elementary Statistics

వరుసగా x, 2x, 3x, ...., nx పౌనఃపున్యాలతో 1, 2, 3, ....., n విలువల సగటు:
 

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

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