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MathsJEE Main 6 Apr 2026, Shift 2·Q6·MCQ·Easy–moderate

Sequences & Series · Sum of special series

The sum 1+12(12+22)+13(12+22+32)+…1 + \dfrac12\left(1^2 + 2^2\right) + \dfrac13\left(1^2 + 2^2 + 3^2\right) + \ldots upto 10 terms is equal to:
  1. (1)130
  2. (2)155
  3. (3)3152\dfrac{315}{2}
  4. (4)3252\dfrac{325}{2}

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