The sum of the first 5 terms of an arithmetic progression is 55 and the sum of the…

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

Problem

The sum of the first 5 terms of an arithmetic progression is 55 and the sum of the first 11 terms is 253. What is the common difference? (a)

6

(b)

4

(c)

2

(d)

3