The 5th term of an arithmetic progression is 22 and the sum of its first 5 terms is 85

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

Problem

The 5th term of an arithmetic progression is 22 and the sum of its first 5 terms is 85. Find the first term of the progression. (a)

11

(b)

14

(c)

12

(d)

13