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Let S(k) = (1+2+3+...+k)/(k). If S(1)^(2...

Let `S_(k) = (1+2+3+...+k)/(k)`. If `S_(1)^(2) + s_(2)^(2) +...+S_(10)^(2) = (5)/(12)A`, then A is equal to

A

303

B

156

C

283

D

301

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The correct Answer is:
A
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