Number Series - Verbal and Reasoning

Directions to SolveLook carefully for the pattern, and then choose which pair of numbers comes next.
Q1:

Look at this series: 0.15, 0.3, ____, 1.2, 2.4, ... What number should fill the blank?

A 4.8

B 0.006

C 0.6

D 0.9

ANS:C - 0.6

This is a simple multiplication series. Each number is 2 times greater than the previous number.