A train 120 meters long passes a pole in 6 seconds. What is the speed of the train in km/h? MCQ with Answer and Explanation
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Question #1
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If a man walks at 12 km/h instead of 9 km/h, he travels 15 km more in the same time. Find the actual distance traveled by him.
Correct Answer: Option C
Explanation:
Let the time duration be t hours. Difference in distance = 12t - 9t = 3t = 15 km => t = 5 hours. Actual distance traveled = 9 * 5 = 45 km.
Let the time duration be t hours. Difference in distance = 12t - 9t = 3t = 15 km => t = 5 hours. Actual distance traveled = 9 * 5 = 45 km.
This question belongs to:
Maths
Time Speed and Distance
Question #2
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A cargo container vehicle spans 600 meters in exactly 40 seconds. Find its baseline speed index in km/h.
Correct Answer: Option B
Explanation:
Speed = 600 / 40 = 15 m/s. In km/h index = 15 * (18/5) = 54 km/h.
Speed = 600 / 40 = 15 m/s. In km/h index = 15 * (18/5) = 54 km/h.
This question belongs to:
Maths
Time Speed and Distance
Question #3
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A man covers half of his journey at 6 km/h and the remaining half at 3 km/h. Find his average speed.
Correct Answer: Option C
Explanation:
Average Speed = 2xy / (x + y) = (2 * 6 * 3) / (6 + 3) = 36 / 9 = 4 km/h.
Average Speed = 2xy / (x + y) = (2 * 6 * 3) / (6 + 3) = 36 / 9 = 4 km/h.
This question belongs to:
Maths
Time Speed and Distance
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