jee-main 2019 Q65

jee-main · India · session1_12jan_shift1 Sequences and Series Evaluation of a Finite or Infinite Sum

Let $S _ { k } = \frac { 1 + 2 + 3 + \ldots + k } { k }$. If $S _ { 1 } ^ { 2 } + S _ { 2 } ^ { 2 } + \ldots + S _ { 10 } ^ { 2 } = \frac { 5 } { 12 } A$, then $A$ is equal to :
(1) 301
(2) 303
(3) 156
(4) 283

Let $S _ { k } = \frac { 1 + 2 + 3 + \ldots + k } { k }$. If $S _ { 1 } ^ { 2 } + S _ { 2 } ^ { 2 } + \ldots + S _ { 10 } ^ { 2 } = \frac { 5 } { 12 } A$, then $A$ is equal to :\\
(1) 301\\
(2) 303\\
(3) 156\\
(4) 283

Paper Questions

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