JEE Math Practice Question
Let Sk = $${{1 + 2 + 3 + .... + k} \over k}.$$ If $$S_1^2 + S_2^2 + .....\, + S_{10}^2 = {5 \over {12}}$$A, then A is equal to :
- A.283
- B.156
- C.301
- D.303
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