Question 37

What is the next number in the series

5, 7, 10, 14, 19, …

Solution

In the series,

7 - 5 = 2

10 - 7 = 3

14 - 10 = 4

19 - 14 = 5

The difference between the consecutive numbers in the series is increasing by 1. The next difference between the numbers should be 6.

Let the next number in the series = a

$$\Rightarrow$$ a - 19 = 6

$$\Rightarrow$$ a = 25

$$\therefore\ $$Next number in the series = 25

Hence, the correct answer is Option A

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