Question:
A train travels 60 km in 1 hour and 30 minutes. What is its average speed?
A train travels 60 km in 1 hour and 30 minutes. What is its average speed?
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Always convert units to a consistent system.
Updated On: Jun 22, 2025
- 40 km/h
- 45 km/h
- 50 km/h
- 55 km/h
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The Correct Option is B
Solution and Explanation
To find the average speed, use the formula: \[ \text{Average speed} = \frac{\text{Total distance}}{\text{Total time}}. \] The total distance is 60 km, and the total time is 1 hour and 30 minutes, or 1.5 hours. \[ \text{Average speed} = \frac{60}{1.5} = 40 \, \text{km/h}. \] Thus, the correct answer is (B) 45 km/h.
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