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A student walks from his house at 5 km/hr and reaches his school 10 minutes late. If his speed had been 6 km/hr, he would have reached 15 minutes early. The distance of his school from his house is

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Important Questions on Time, Speed and Distance

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Sachin and Mongiya starting from the same place walk at the rate of 7.5 km/h and 9 km/h respectively. What time will they take to be 7.5 km apart, if they walk in the same direction?
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The driver of an ambulance sees a bus 40m ahead of him, after 20 second the bus is 60 meter behind, If the speed of the ambulance is 30 km/h what is the speed of the bus?

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If a 200 m long train crosses a platform of the same length as that of the train in 20 seconds, then the speed of the train is  ?
 
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Sabarmati express takes 18 seconds to pass completely through a station 162 m long and 15 seconds through another station 120 m long. The length of the Sabarmati express is :
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A train 200 m long travels at the speed of 72 km/h. A man is running at 3.6 km/h in the same direction in which the train is going. The train will pass the man in :
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A train 350 m long is moving at speed of 20 km/hr. it will cross a man coming from the opposite direction with a speed of 1 km/hr:

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A train covers a certain distance moving at a speed of 60 km/h. However if it were to halt for a fixed time every hour, its average speed comes out to be 50 km/h. For how much time does the train halt for every hour?
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Two rabbits start running towards, each other, one from A to B and another from, B to A. They cross each other after one hour and the first rabbit reaches B,  \( \frac{5}{6} \) hour before the second rabbit reaches A. If the distance between A and B is 50 km, what is the speed of the slower rabbit?