A train 240 meters long passes a static utility pole in 12 seconds. Find the time it takes to completely pass a platform of length 360 meters. MCQ with Answer and Explanation
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Question #1
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A train 220 meters long passes a signal post in 11 seconds. How long will it take to cross a platform 300 meters long?
Correct Answer: Option B
Explanation:
Speed of train = 220 / 11 = 20 m/s. Total distance to cross platform = 220 + 300 = 520 meters. Time taken = 520 / 20 = 26 seconds.
Speed of train = 220 / 11 = 20 m/s. Total distance to cross platform = 220 + 300 = 520 meters. Time taken = 520 / 20 = 26 seconds.
This question belongs to:
Maths
Time Speed and Distance
Question #2
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A train 200 meters long passes a running man in 10 seconds when both move in the same direction. If the speed of the man is 6 km/h, find the speed of the train.
Correct Answer: Option D
Explanation:
Relative speed = 200 / 10 = 20 m/s = 20 * (18/5) = 72 km/h. In the same direction, Relative Speed = Speed of train - Speed of man => 72 = Speed of train - 6 => Speed of train = 78 km/h.
Relative speed = 200 / 10 = 20 m/s = 20 * (18/5) = 72 km/h. In the same direction, Relative Speed = Speed of train - Speed of man => 72 = Speed of train - 6 => Speed of train = 78 km/h.
This question belongs to:
Maths
Time Speed and Distance
Question #3
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A train passes a standing track worker in 12 seconds and crosses a platform 200 meters long in 22 seconds. Find the length of the train.
Correct Answer: Option C
Explanation:
Time taken to cross platform alone = 22 - 12 = 10 seconds. Speed of train = 200 / 10 = 20 m/s. Length of train = Speed * Time to cross worker = 20 * 12 = 240 meters.
Time taken to cross platform alone = 22 - 12 = 10 seconds. Speed of train = 200 / 10 = 20 m/s. Length of train = Speed * Time to cross worker = 20 * 12 = 240 meters.
This question belongs to:
Maths
Time Speed and Distance
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