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In each of the following questions. select the missing number from the given responses.Ram and Ravi start together from a point in opposite direction on scooters. Ram’s speed is 21 km/h and Ravi’s speed is 15 km/h. What will be the distance between them after 20 minutes ?
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By: anil on 05 May 2019 01.55 am
Ram and Ravi are moving in opposite direction . Speed of Ram = 21 km/hr Speed of Ravi = 15 km/hr Relative speed = 21 + 15 = 36 km/hr Time = 20 min = $$frac{1}{3}$$ hour using Distance = Speed x Time Distance = 36 x $$frac{1}{3}$$ = 12 km
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