What should come at the place of question mark?
144, 121, 100, 81, ?, 49
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 64.
Given series: 144, 121, 100, 81, ?, 49
144 = 122, 121 = 112, 100 = 102, 81 = 92, 64 = 82, 49 = 72