A motor vehicle completes a journey in 5 hours. It handles the first half of the stretch at 50 km/h and the second half at 30 km/h. Find the total distance wrapped. MCQ with Answer and Explanation
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Question #1
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A sound wave travels at 343 m/s. How much distance in kilometers does it cover in 10 seconds?
Correct Answer: Option C
Explanation:
Distance = Speed * Time = 343 * 10 = 3430 meters. Converting to kilometers = 3430 / 1000 = 3.43 km.
Distance = Speed * Time = 343 * 10 = 3430 meters. Converting to kilometers = 3430 / 1000 = 3.43 km.
This question belongs to:
Maths
Time Speed and Distance
Question #2
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A cyclist covers a 1500-meter course in 5 minutes. Find his speed in km/h.
Correct Answer: Option D
Explanation:
Time = 5 minutes = 300 seconds. Speed = 1500 / 300 = 5 m/s. Converting to km/h = 5 * (18/5) = 18 km/h.
Time = 5 minutes = 300 seconds. Speed = 1500 / 300 = 5 m/s. Converting to km/h = 5 * (18/5) = 18 km/h.
This question belongs to:
Maths
Time Speed and Distance
Question #3
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A passenger express train 160 meters long runs at 72 km/h. How long will it take to clear a terminal platform 240 meters long?
Correct Answer: Option D
Explanation:
Speed of train = 72 * (5/18) = 20 m/s. Total distance = 160 + 240 = 400 meters. Time taken = 400 / 20 = 20 seconds.
Speed of train = 72 * (5/18) = 20 m/s. Total distance = 160 + 240 = 400 meters. Time taken = 400 / 20 = 20 seconds.
This question belongs to:
Maths
Time Speed and Distance
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