What should come in place of the question mark (?) in the given series?
7 ? 22 37 57 82
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 12.
Given series: 7 ? 22 37 57 82
7 + 5 = 12, 12 + 10 = 22, 22 + 15 = 37, 37 + 20 = 57, 57 + 25 = 82