A series of number is given: 5, 6, 12, 5, 7, 13, 5,__14, 5, 9, 15..

A series of number is given: 5, 6, 12, 5, 7, 13, 5,__14, 5, 9, 15.. What number fills the blank?

Quiz

Answer/Solution

8

Steps/Work

Looking at the series we can see 1 is added to 6, then to 7, then to 8 and so on...
The answer is option D (8)