Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different from the rest.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 5121 : 12
| Understanding |
|---|
|
The logic used here is: 2nd number = Sum of each digit of first number. Option 1: 7456: 22 7 + 4 + 5 + 6 = 22 Option 2: 5121: 12 5 + 1 + 2 + 1 = 9 Option 3: 4209: 15 4 + 2 + 0 + 9 = 15 Option 4: 8101: 10 8 + 1 + 0 + 1 = 10 Option 2 does not follow the pattern. Hence, 5121: 12 is the odd one out. |