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Mathematics, 29.02.2020 12:40 gia57

Raj and Dev leave the school at 3:30 PM and cycle in opposite direction. If their speeds are 5km/hr and 7km/hr respectively, at what time they will be 18 km apart?

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Raj and Dev leave the school at 3:30 PM and cycle in opposite direction. If their speeds are 5km/hr...
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