What is the sum of the first 17 terms of an arithmetic progression if the first term is -20 and last term is 28? - 29465

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Q. What is the sum of the first 17 terms of an arithmetic progression if the first term is -20 and last term is 28?

(A) 68

(B) 156

(C) 142

(D) 242

Correct Answer - Option(A)

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