CTET 2 Math and Science 3 Jan 2022 Paper

Option 1:
2116 = 46× 46
2116 is a square of 46.
Option 2:
2916 = 54 × 54
2916 is a square of 54.
Option 3:
3136 = 56× 56
3136 is a square of 56.
Option 4:
3158 = 3158 is not a perfect square number
The correct option is 4 i.e. 3158