What should come in place of the question mark (?) in the given series?
18 28 40 54 70 ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 88.
Given series: 18 28 40 54 70 ?
18 + 10 = 28, 28 + 12 = 40, 40 + 14 = 54, 54 + 16 = 70, 70 + 18 = 88