Question

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

Answer 1

0.6 is the answer as all numbers are being multiplied by 2

Answer 2

Here's the number which goes into the blank

If we observe the series then we find that each number is being multipled by two to get the next number

0.15*2=0.3

1.2*2=2.4

So the number will be 03.*2= 0.6

0.6 is the answer