What should come in place of the question mark '?' in the following number series?
9, 14, 24, 39, 59, ?, 114
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 84.
Given series: 9, 14, 24, 39, 59, ?, 114
9 + 5 = 14, 14 + 10 = 24, 24 + 15 = 39, 39 + 20 = 59, 59 + 25 = 84, 84 + 30 = 114