Question

What is the common ratio in the sequence 6,12,24,48,96
A -2
B 2
C 6
D 1/2

Answer 1

The ratio is that of one term to the one before:

... 12/6 = 2

It is "common" because it applies to every pair of adjacent terms:

... 24/12 = 48/24 = 96/48 = 2

The appropriate choice is ...

... B 2