Arithmetic means are inserted between 7 and 49 and their sum is found to be 364

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

Problem

n

arithmetic means are inserted between 7 and 49 and their sum is found to be 364, then

n

is : (a) 11 (b) 12 (c) 13 (d) 14