**Directions:**

In below 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

**Question:**

Look at this series: 1.5, 2.3, 3.1, 3.9, ... What number should come next?

**Option A):**

4.2**Option B):**

5.1**Option C):**

4.7**Option D):**

4.4

**Correct Answer is Option C):**

4.7

**Explanation:**

In this simple addition series, each number increases by 0.8.