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The speed of a boat in still water in 45 km/hr and the rate of current is 9 km/hr. The distance travelled downstream in 18 minutes will be:1). 12 km2). 13 km3). 15 km4). 18 km |
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Answer» Downstream SPEED = 45 + 9 = 54 km/hr Time = 18 min = 18/60 hrs ∴ Distance = Speed × Time = 54 × (18/60) = 16.2 km |
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