1.

A boat travels 24 km upstream in 6 h and 20 km downstream in 4 h. then, the speed of a boat in still water and the speed of current are respectively

A. 4.5 km/h and 3 km/h
B. 4.5 km/h and 0.5 km/h
C. 4 km/h and 2 km/h 5 km/h and 2 km/h
D. 5 km/h and 2 km/h
Answer» C. 4 km/h and 2 km/h 5 km/h and 2 km/h


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