A train 140 meters long tracking at 63 km/h passes a modern bridge in 24 seconds. Find the length of the bridge. MCQ with Answer and Explanation
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Question #1
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A train 110 meters long crosses a pole in 5.5 seconds. What is its speed in km/h?
Correct Answer: Option C
Explanation:
Speed of train = 110 / 5.5 = 20 m/s. In km/h = 20 * (18/5) = 72 km/h.
Speed of train = 110 / 5.5 = 20 m/s. In km/h = 20 * (18/5) = 72 km/h.
This question belongs to:
Maths
Time Speed and Distance
Question #2
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A train 100 meters long completely passes a static pole in 5 seconds. Find its speed in km/h.
Correct Answer: Option B
Explanation:
Speed = 100 / 5 = 20 m/s. In km/h = 20 * (18/5) = 72 km/h.
Speed = 100 / 5 = 20 m/s. In km/h = 20 * (18/5) = 72 km/h.
This question belongs to:
Maths
Time Speed and Distance
Question #3
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Two boys start running from the same point in the same direction along a circular track at speeds of 5 m/s and 8 m/s. If the track length is 400 meters, after how much time will they meet for the first time?
Correct Answer: Option B
Explanation:
Relative speed = 8 - 5 = 3 m/s. Time to meet for the first time = Circumference / Relative speed = 400 / 3 = 133.33 seconds.
Relative speed = 8 - 5 = 3 m/s. Time to meet for the first time = Circumference / Relative speed = 400 / 3 = 133.33 seconds.
This question belongs to:
Maths
Time Speed and Distance
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