Select the number from among the given options that can replace the question mark (?) in the following series.
39, 53, 69, 87, ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 107.
Given series: 39, 53, 69, 87, ?
The series follows this pattern:
39 + 14 = 53; 53 + 16 = 69; 69 + 18 = 87; 87 + 20 = 107