Which of the following numbers will replace the question mark (?) in the given series?
115, 130, 122, 137, 129,?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 144.
1. 115, 122, 129
115 + 7 = 122; 122 + 7 = 129
2. 130, 137,?
130 + 7 = 137; 137 + 7 = 144