JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

1 of 1

Application +4 | -1

If the sum to

2n

terms of the AP 2, 5, 8, 11,… is equal to the sum to n terms of the AP 57, 59, 61, 63,…, then

n

is equal to

View answer and explanation

Correct option: B

Option B (11) is correct because equating the sum of 2n terms of the first AP to the sum of n terms of the second AP and solving for n yields n=11.

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