The numbers in each set are related to each other in a certain way.
(2, 8, 100), (7, 2, 81), (4, 7, ?)
Based on the relationship among the numbers in the first two sets, select the number that can replace the question mark (?) in the third set.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 121.
(2, 8, 100) → (2 + 8)2 = 100
(7, 2, 81) → (7 + 2)2 = 81
Similarly, (4, 7, ?) → (4 + 7)2 = 121