Question

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

Answer 1

zero
is the answer in this series

Answer 2

the answer is 0.6. In the series the next no. is twice the last no. as 1.5*2=0.3,0.3*2=0.6, 0.6*2=1.2 and in this way it continues