1.

A goods train leaves a station at a certain time and at a fixed speed. After 6 hours, an express train leaves the same station and moves in the same direction at a uniform speed of 90 km/h. This train catches up the goods train in 4 hours. Find the speed of the goods train.

A. 29 km/h
B. 32 km/h
C. 36 km/h
D. 41 km/h
Answer» D. 41 km/h


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