What should come in place of the question mark (?) in the given series?
115 117 123 125 131 ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 2 i.e. 133.
Given series: 115 117 123 125 131 ?
115 + 2 = 117, 117 + 6 = 123, 123 + 2 = 125, 125 + 6 = 131, 131 + 2 = 133