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1. |
An express train travelled at an average speed of 100 km/h, stopping for 3 min after every 75 km. A local train travelled at a speed of 50 km/h, stopping for 1 min after every 25 km. If the trains began travelling at the same time, how many kilometres did the local train travel in the time in which the express train travel 600 km ? |
A. | 400 km |
B. | 405 km |
C. | 307.25 km |
D. | 415.5 km |
Answer» D. 415.5 km | |