Select the number from among the given options that can replace the question mark
(?) in the following series.
72, 85, 68, 81, ?, 77
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 64.
Given series: 72, 85, 68, 81, ?, 77
The series follows this pattern:

So, the missing term in the series is 64.