The time taken by a train moving at a speed of 40 km per hour to cover a distance of 150 km is:
3 hours 45 minutes
Time = Distance ÷ Speed.
Time = 150 ÷ 40 = 3.75 hours
0.75 hour = 0.75 × 60 = 45 minutes
Time = 3 hours 45 minutes
Hence, 3 hours 45 minutes.
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