A dog spots a rabbit 200 meters away. The rabbit speeds off at 24 km/h and the dog pursues at 30 km/h. How much distance will the rabbit run before it is caught? MCQ with Answer and Explanation
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Question #1
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A container ship routes a distance of 120 nautical miles at a speed of 15 knots (nautical miles per hour). Find the total time of the passage.
Correct Answer: Option C
Explanation:
Time = Distance / Speed = 120 / 15 = 8 hours.
Time = Distance / Speed = 120 / 15 = 8 hours.
This question belongs to:
Maths
Time Speed and Distance
Question #2
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A man rides a bicycle at 12 km/h from his house to his school and reaches 5 minutes late. Next day he increases his speed to 15 km/h and reaches 5 minutes early. Find the distance between his house and school.
Correct Answer: Option A
Explanation:
Time difference = 5 - (-5) = 10 minutes = 1/6 hour. Let distance be d. d/12 - d/15 = 1/6 => (5d - 4d)/60 = 1/6 => d/60 = 1/6 => d = 10 km.
Time difference = 5 - (-5) = 10 minutes = 1/6 hour. Let distance be d. d/12 - d/15 = 1/6 => (5d - 4d)/60 = 1/6 => d/60 = 1/6 => d = 10 km.
This question belongs to:
Maths
Time Speed and Distance
Question #3
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An athlete runs a 200-meter race in 24 seconds. Find his speed in km/h.
Correct Answer: Option A
Explanation:
Speed in m/s = 200 / 24 = 25/3 m/s. To convert to km/h, multiply by 18/5. Speed = (25/3) * (18/5) = 5 * 6 = 30 km/h.
Speed in m/s = 200 / 24 = 25/3 m/s. To convert to km/h, multiply by 18/5. Speed = (25/3) * (18/5) = 5 * 6 = 30 km/h.
This question belongs to:
Maths
Time Speed and Distance
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