Three of the following four numbers are alike in a certain way and one is different. Select the number that is different from the rest.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3. i.e. 6457.
1st digit × 4th digit = Middle number
Option 1: 2105 → 2 × 5 = 10
Option 2: 3124 → 3 × 4 = 12
Option 3: 6457 → 6 × 7 = 42
This does not follow the logic.