Select the option that will replace the question mark (?) in the given series.
78, 89, 82, 87, 84,?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 86.
Given series: 78, 89, 82, 87, 84,?
The series follows this pattern:
78 + 11 = 89, 89 - 7 = 82, 82 + 5 = 87, 87 - 3 = 84, 84 + 2 = 86