In a geometric progression

MATHEMATICS · Single correct · CBSE · Mathematics · Sequences and Series · Sequences and Series

Problem

In a geometric progression, the 3rd term is 4 and the 5th term is 16. Which of the following gives the possible value(s) of the common ratio? (a)

2\text{ only}

(b)

2 \text{ or } -2

(c)

\dfrac12

(d)

4\text{ only}