The second number in the given number-pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number-pairs EXCEPT one. Find that odd number-pair.
Answer & explanation
Correct answer: option 2
option 1 64 : 6
6 + 2 = 8
82 = 64
option 2 36 : 5
5 + 2 = 7
72 = 49 but 36 is given (Odd)
option 3 169 : 11
11 + 2 = 13
132 = 169
option 4 196 : 12
12 + 2 = 14
142 = 196