A train passes a standing person on a platform in 8 seconds and crosses the platform itself, which is 240 meters long, in 20 seconds. Find the length of the train. MCQ with Answer and Explanation
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Question #1
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A cyclist covers 900 meters in exactly 3 minutes. Find his speed in km/h.
Correct Answer: Option B
Explanation:
Time = 3 minutes = 180 seconds. Speed = 900 / 180 = 5 m/s. In km/h = 5 * (18/5) = 18 km/h.
Time = 3 minutes = 180 seconds. Speed = 900 / 180 = 5 m/s. In km/h = 5 * (18/5) = 18 km/h.
This question belongs to:
Maths
Time Speed and Distance
Question #2
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A man walks at a speed of 6 km/h instead of 5 km/h and thereby covers 12 km more in the same duration. Find the actual distance covered by him at his normal speed.
Correct Answer: Option B
Explanation:
Let duration be t hours. Distance difference = 6t - 5t = t = 12 hours. Distance at normal speed (5 km/h) = 5 * 12 = 60 km.
Let duration be t hours. Distance difference = 6t - 5t = t = 12 hours. Distance at normal speed (5 km/h) = 5 * 12 = 60 km.
This question belongs to:
Maths
Time Speed and Distance
Question #3
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A train 140 meters long is running at 90 km/h. How long will it take to pass a platform of length 210 meters?
Correct Answer: Option B
Explanation:
Speed of train = 90 * (5/18) = 25 m/s. Total distance = 140 + 210 = 350 meters. Time taken = 350 / 25 = 14 seconds.
Speed of train = 90 * (5/18) = 25 m/s. Total distance = 140 + 210 = 350 meters. Time taken = 350 / 25 = 14 seconds.
This question belongs to:
Maths
Time Speed and Distance
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