Question

The common ratio for G.P. 0.12, 0.24, 0.48, is
a) 0.12
b) 0.2
c) 0.02
d) 2​

Answer 1

Step-by-step explanation:

Common ratio (r) = t2/t1

= 0.24/0.12

. = 2

Answer 2

Geometric Progression

(d) 2

The series given is G.P.

0.12, 0.24, 0.48,

Geometric sequence is the sequence of non zero numbers in which each term after the previous one is multiplied by a non-zero number called common ratio.

There are finite as well as non finite geometric progression.

The general form of representing it is $a, ar,ar^2, ar^3, , ,$

Common ratio formula  is ,

$r=\frac{a_n}{a_{n-1}}$

where,

aₙ is the  nth term of G.P.

$a_{n-1}$ is the (n-1)th term of the G.P.

In this case,

$r=\frac{0.24}{0.12} =2$

Hence 2 is the required common ratio.