A cart wheel turns 1000 revolutions to bridge a sector distance of 1320 meters. Find the diameter size of the turning wheel. MCQ with Answer and Explanation
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Question #1
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A cyclist covers a 3.6 km track in 12 minutes. Find his speed in meters per second.
Correct Answer: Option C
Explanation:
Distance = 3.6 km = 3600 meters. Time = 12 minutes = 720 seconds. Speed = 3600 / 720 = 5 m/s.
Distance = 3.6 km = 3600 meters. Time = 12 minutes = 720 seconds. Speed = 3600 / 720 = 5 m/s.
This question belongs to:
Maths
Time Speed and Distance
Question #2
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A man covers a certain distance by car driving at 40 km/h and returns back to the starting point riding on a scooter at 10 km/h. Find his average speed for the whole journey.
Correct Answer: Option D
Explanation:
When equal distances are covered at two different speeds x and y, Average Speed = 2xy / (x + y). Here, Average Speed = (2 * 40 * 10) / (40 + 10) = 800 / 50 = 16 km/h.
When equal distances are covered at two different speeds x and y, Average Speed = 2xy / (x + y). Here, Average Speed = (2 * 40 * 10) / (40 + 10) = 800 / 50 = 16 km/h.
This question belongs to:
Maths
Time Speed and Distance
Question #3
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A cyclist covers a distance of 750 meters in 2 minutes 30 seconds. What is the speed of the cyclist in km/h?
Correct Answer: Option C
Explanation:
Time = 2 minutes + 30 seconds = 150 seconds. Speed = 750 / 150 = 5 m/s. Converting to km/h: 5 * (18/5) = 18 km/h.
Time = 2 minutes + 30 seconds = 150 seconds. Speed = 750 / 150 = 5 m/s. Converting to km/h: 5 * (18/5) = 18 km/h.
This question belongs to:
Maths
Time Speed and Distance
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