Two cars A and B leave an intersection simultaneously. A travels North at 45 km/h and B travels East at 60 km/h. Find the direct distance between them after 1 hour. MCQ with Answer and Explanation
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Question #1
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A cyclist handles 800 meters in exactly 2 minutes 40 seconds. Find his speed in km/h.
Correct Answer: Option C
Explanation:
Time = 2 minutes 40 seconds = 160 seconds. Speed = 800 / 160 = 5 m/s. In km/h = 5 * (18/5) = 18 km/h.
Time = 2 minutes 40 seconds = 160 seconds. Speed = 800 / 160 = 5 m/s. In km/h = 5 * (18/5) = 18 km/h.
This question belongs to:
Maths
Time Speed and Distance
Question #2
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A person travels a distance of 120 km at 40 km/h and returns at 60 km/h. Find the total time spent for the entire round trip.
Correct Answer: Option C
Explanation:
Time for onward journey = 120 / 40 = 3 hours. Time for return journey = 120 / 60 = 2 hours. Total time = 3 + 2 = 5 hours.
Time for onward journey = 120 / 40 = 3 hours. Time for return journey = 120 / 60 = 2 hours. Total time = 3 + 2 = 5 hours.
This question belongs to:
Maths
Time Speed and Distance
Question #3
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Excluding stoppages, the speed of a train is 90 km/h and including stoppages it is 75 km/h. How many minutes does the train stop per hour?
Correct Answer: Option A
Explanation:
Stoppage time per hour = (90 - 75) / 90 = 15 / 90 = 1/6 hour. In minutes = (1/6) * 60 = 10 minutes.
Stoppage time per hour = (90 - 75) / 90 = 15 / 90 = 1/6 hour. In minutes = (1/6) * 60 = 10 minutes.
This question belongs to:
Maths
Time Speed and Distance
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