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A train moves at a speed of 35 km/h for the first 2 hours and at a speed of 50 km/h for the next 4 hours. Find the average speed of the train during the entire journey.
5Q:
A train moves at a speed of 35 km/h for the first 2 hours and at a speed of 50 km/h for the next 4 hours. Find the average speed of the train during the entire journey.
- 147 km/hfalse
- 250 km/hfalse
- 345 km/htrue
- 435 km/hfalse
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