JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

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Application +4 | -1

The number of terms of the A.P.

1, 4, 7, \ldots

that must be taken to obtain a sum of 715 is

View answer and explanation

Correct option: C

Option C (22) is correct because by using the arithmetic progression sum formula, we can find the number of terms needed to obtain a sum of 715.

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