Question
A train leaves a station and travels for 4 hours at a
speed of 80 km/h. It then increases its speed to 100 km/h for the next 3 hours. What is the total distance covered by the train?Solution
Distance traveled in first part = Speed × Time = 80 km/h × 4 h = 320 km. Distance traveled in the second part = 100 km/h × 3 h = 300 km. Total distance = 320 km + 300 km = 620 km. Answer: d) 620 km.
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