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A man completes 30 km of a journey at 6 km/h and the remaining 40 km of the journey in 5 hours. Find the average speed for the whole journey.

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Important Questions on Time and Distance

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Swati walks 150 m everyday. How many kilometres will she walk in three weeks?
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Faisal walks 325 m everyday. How many kilometres will he walk in four weeks?
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A train travelling at a speed of 30 m/sec crosses a 600 m long platform in 30 sec. Find the length of the train.
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A 820 m long train is running at 126 km/h. In how much time will it cross a tunnel which is 580 m long?
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The relative speed of a train with respect to a car is 90 km/h when the train and the car are moving opposite to each other. Find the actual speed of train, if car is moving with a speed of 15 km/h.
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Two trains of lengths 105 m and 90 m run at the speeds of 45 km/h and 72 km/h respectively in opposite directions on parallel tracks. Find the time which they take to cross each other.
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A 110 m long train is running at a speed of 60 km/h. How many seconds does it take to cross an another train of length 170 m which is standing on parallel track?
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If the speed of a swimmer in still water is 9 km/h, find the downstream speed of the swimmer, when the river is flowing with a speed of 6 km/h.