Select the number-pair that is different from the rest.

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. 13-196.

Understanding	Application
The logic used here is: 2nd number = 1st number² Option 1: 7-49 49 = 7² Option 2: 16-256 256 = 16² Option 3: 12-144 144 = 12²	Similarly, Option 4: 13-196 169 = 13² Option 4 is the odd one out. Hence, option 4 is the correct answer.

Understanding

Application

The logic used here is:

2nd number = 1st number²

Option 1: 7-49

49 = 7²

Option 2: 16-256

256 = 16²

Option 3: 12-144

144 = 12²

Similarly,

Option 4: 13-196

169 = 13²

Option 4 is the odd one out.

Hence, option 4 is the correct answer.

SSC GD 2019 PYQ — Question 96