Three boys have marbles in the ratio of 19:5:3 . If the boy with the least number of marbles has 9 marbles, how many marbles does the boy with the greatest number have ?
A
57
B
15
C
76
D
38
Correct Answer: 57
Smaller ratio 3 = 9 So, Smaller ratio 1 = 9/3 = 3 Now, Highest ratio 19 = 19×3 = 57