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A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?

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Important Questions on Time and Distance

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An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the distance in 123 hour, it must travel at a speed of: 
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If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is:

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A train travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is:
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Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?
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In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. The duration of the flight is:
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A man complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey in km.

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The ratio of speeds of two trains is 7:8. If the second train runs 400 km in 4 hours, then the speed of the first train is:
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A man on tour, travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is: