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: D
Explanation
The correct answer is Option 4 i.e. 48: 144.
The logic used here is:
(1st number)2 - 3 = 2nd number
Option 1: 7: 46
72 - 3 = 49 - 3 = 46
This follows the logic.
Option 2: 13: 166
132 - 3 = 169 - 3 = 166
This follows the logic.
Option 3: 9: 78
92 - 3 = 81 - 3 = 78
This follows the logic.
Option 4: 48: 144
482 - 3 = 2304 - 3 = 2301
This does not follow the logic.
Hence, 48: 144 is the odd one out.