The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) is/are followed in all the number pairs, except one. Find that odd number pair.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 25 : 8.
The logic used here is: (2nd number² - 1) = 1nd number
Options 1, 3, 4 are follow the above logic.
Option 2: 25 : 8 → (8² - 1) = 63≠25: This does not follow the logic.