A, B and C start swimming in a pool simultaneously from the same end. To complete 10 laps, A takes 10 minutes, B takes 8 minutes and C takes 6 minutes. What is the ratio of speeds A:B:C?
A. 3:4:5
B. 12:15:20
C. 5:4:3
D. 4:6:5
E. 12:15:25![]()
A. 3:4:5
B. 12:15:20
C. 5:4:3
D. 4:6:5
E. 12:15:25