Walking at 5/6 of his normal pace, a man is 10 minutes late to his workplace. What is his normal time? MCQ with Answer and Explanation
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Question #1
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A person runs around a circular track of circumference 600 meters. If his speed is 18 km/h, how many rounds can he complete in 10 minutes?
Correct Answer: Option C
Explanation:
Speed = 18 km/h = 5 m/s. Time = 10 minutes = 600 seconds. Total distance covered = 5 * 600 = 3000 meters. Number of rounds = 3000 / 600 = 5 rounds.
Speed = 18 km/h = 5 m/s. Time = 10 minutes = 600 seconds. Total distance covered = 5 * 600 = 3000 meters. Number of rounds = 3000 / 600 = 5 rounds.
This question belongs to:
Maths
Time Speed and Distance
Question #2
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Two athletes run a race of 400 meters. The ratio of their speeds is 4 : 5. If the faster runner completes the race, how far ahead is he from the slower runner at that instant?
Correct Answer: Option A
Explanation:
When the faster runner covers 5 parts = 400 meters, 1 part = 80 meters. In the same time, the slower runner covers 4 parts = 4 * 80 = 320 meters. Distance between them = 400 - 320 = 80 meters.
When the faster runner covers 5 parts = 400 meters, 1 part = 80 meters. In the same time, the slower runner covers 4 parts = 4 * 80 = 320 meters. Distance between them = 400 - 320 = 80 meters.
This question belongs to:
Maths
Time Speed and Distance
Question #3
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A train 250 meters long passes a static track utility pole in 10 seconds flat. Find the time it takes to completely pass a platform of length 500 meters.
Correct Answer: Option A
Explanation:
Speed of train = 250 / 10 = 25 m/s. Total distance to pass platform = 250 + 500 = 750 meters. Time taken = 750 / 25 = 30 seconds.
Speed of train = 250 / 10 = 25 m/s. Total distance to pass platform = 250 + 500 = 750 meters. Time taken = 750 / 25 = 30 seconds.
This question belongs to:
Maths
Time Speed and Distance
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