Quantitative Aptitude • Time, Speed & WorkEasy
A train 300 m long crosses a pole in 10 seconds. What is the speed of the train in km/h?
A. 30 km/h
B. 8.33 km/h
C. 126 km/h
D. 108 km/h✓ Correct Answer
💡 Solution & Explanation
To pass a pole, the train covers only its own length. Speed = 300 m ÷ 10 s = 30 m/s. To change m/s into km/h, multiply by 18/5: 30 × 18/5 = 108 km/h.
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