In an arithmetic progression

MATHEMATICS · Single correct · CBSE · Mathematics · Arithmetic Progressions · Arithmetic Progressions

Problem

In an arithmetic progression, the first term is 5 and the last term is 50. If the sum of all its terms is 275, find the number of terms in the progression. (a) 2020 (b) 1111 (c) 55 (d) 1010

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