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Two girls start from the same place, walk at the rate of per hour and per hour respectively. How many kilometres will they be apart at the end of hours, if they walk in the opposite direction?
Important Questions on Speed, Time and Distance
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Gopal covers . He travels at a speed of for the first and the rest of the distance at . What is his average speed in ?
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Ali travels a distance of in minutes and seconds. What is his speed in ?

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A man covers a certain distance in 10 minutes with the speed of 15km/hr. If he wants to cover the same distance in 7 minutes, then what should be his speed?

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