In each series, look for the degree and direction of change between the numbers. In other words, do the numbers increase or decrease, and by how much
Look at this series: 1.5, 2.0, 2.5, 3.0, ... What number should come next?
Answers:
A) 4.7 B) 3.5 C) 4.9 D) 5.0 E) 4.4
3.5   In this simple addition series, each number increases by 0.5   Answer : 3.5
<result>B</result>
In each series, look for the degree and direction of change between the numbers. In other words, do the numbers increase or decrease, and by how much
Look at this series: 1.5, 2.0, 2.5, 3.0, ... What number should come next?