AP EAMCET · Maths · Sequences and Series
In the sequence, \((1,2,3),(4,5,6),(7,8,9,10)\) \(\ldots\) of sets, the sum of elements in the 50th set is
- A \(62525\)
- B \(65225\)
- C \(56255\)
- D \(557625\)
Answer & Solution
Correct Answer
(A) \(62525\)
Step-by-step Solution
Detailed explanation
First term of each sets are \(1,2,4,7, \ldots\) Let \[ \begin{aligned} & S=1+2+4+7+\ldots+T_n \\ & S=1+2+4+\ldots+T_n \end{aligned} \] On subtracting, we get…
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