A train 160 meters long passes a platform of length 340 meters in 25 seconds. Find the absolute speed of the train in km/h. MCQ with Answer and Explanation
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Question #1
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Two cars start from the same place at the same time in the same direction. The first car runs at a constant speed of 50 km/h and the second car runs at 60 km/h. What is the distance between them after 3 hours 30 minutes?
Correct Answer: Option C
Explanation:
Relative speed = 60 - 50 = 10 km/h. Time = 3.5 hours. Distance between them = Relative Speed * Time = 10 * 3.5 = 35 km.
Relative speed = 60 - 50 = 10 km/h. Time = 3.5 hours. Distance between them = Relative Speed * Time = 10 * 3.5 = 35 km.
This question belongs to:
Maths
Time Speed and Distance
Question #2
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A person travels a distance of 300 km at an average speed of 60 km/h and returns at a speed of 40 km/h. Find the average speed for the round trip.
Correct Answer: Option A
Explanation:
Average Speed = 2xy / (x + y) = (2 * 60 * 40) / (60 + 40) = 4800 / 100 = 48 km/h.
Average Speed = 2xy / (x + y) = (2 * 60 * 40) / (60 + 40) = 4800 / 100 = 48 km/h.
This question belongs to:
Maths
Time Speed and Distance
Question #3
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A train 150 meters long completely passes a station pole sign in 6 seconds flat. Find its speed in km/h.
Correct Answer: Option B
Explanation:
Speed of train = 150 / 6 = 25 m/s. Converting to km/h = 25 * (18/5) = 90 km/h.
Speed of train = 150 / 6 = 25 m/s. Converting to km/h = 25 * (18/5) = 90 km/h.
This question belongs to:
Maths
Time Speed and Distance
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