Select the number that is related to the third number in the same way as the second number is related to the first number.
83 : 121 :: 12 : ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 9.
Logic: (Sum of digits of 1st number)2 = 2nd number
83 : 121 → (8 + 3)2 = 121
Similarly, 12 : ? → (1 + 2)2 = 9