A can lay railway track between two given stations in 1... | Maths Class 5

Maths Class 5 Time

Asked by AKSHAY GURU VARADHARAJAN · CHRYSALIS HIGH, HORAMAVU

A can lay railway track between two given stations in 16 days and B an do the same job in 12 days. With the help of C, they did the job in 4 days only. Then C alone can do the job in

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A 9 1/5
B 9 2/5
C 9 3/5
D 10