Correct option is C
Solution:
Let the total eggs be A
Number of eggs sold on Wednesday = A × 12% = 0.12A
Number of eggs sold on Thursday = A × 20% = 0.20A
Ratio = 0.12A : 0.20A = 3 : 5
∴ The ratio of the number of eggs sold by the shopkeeper on Wednesday to that of the same on Thursday is 3 : 5.