Correct Answer - Option 3 : 55
Given: RAT = 42 and PET = 40.
Consider, Z = 1, Y = 2, X = 3, ..... A = 26.
RAT = R → 9, A → 26, T → 7.
RAT = 9 + 26 + 7
RAT = 42
PET = P → 11,
E → 22, T → 7.
PET = 40.
So, DOG = D → 23, O → 12, G → 20.
DOG = 23 + 12 + 20.
DOG = 55
Hence,
code for DOG is 55.