Find , given that the following are consecutive terms of a geometric…

MATHEMATICS · Multi-part · CBSE · Mathematics · Sequences and Series · Sequences and Series

Problem

Find

k

, given that the following are consecutive terms of a geometric sequence: (1)

k,\ 3k,\ 54

(2)

1000,\ 4k,\ k

(3)

7,\ k,\ 28

(4)

18,\ k,\ \frac{2}{9}

(5)

k,\ 12,\ \frac{k}{9}

(6)

k,\ 20,\ \frac{25}{4}k

(7)

k,\ 3k,\ 20-k

(8)

k,\ k+8,\ 9k