JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

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If the

9^{\text {th }}

term of an AP is 35 and

19^{\text {th }}

term is 75 , then its

20^{\text {th }}

term will be

View answer and explanation

Correct option: B

Option B (79) is correct because by finding the common difference and the first term of the AP, the

20^{th}

term can be calculated as 79.

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