Correct option is C
In this equation following logic is followed-
42 + 32 = 13 + 12
16 + 9 = 25
25 = 25
And
22 + 92 = 25 + 60
4 + 81 = 85
85 = 85
Similarly,
52 + ?2 = 19 + 15
25 + ?2 = 34
?2 = 34 – 25
?2 = 9
? = 3
Correct answer is (c) 3.






