NDA Math Sequences and Series

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Question : 8 of 79

Marks: +1, -0

If the S‌th ‌ term of an AP is ‌

1

10

and its 10‌th ‌ term is ‌

1

5

, then what is the sum of first 50 terms?

[NDA-I 2022]

25
25.5
26
26.5

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