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1. The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is:





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  • By: guest on 01 Jun 2017 05.44 pm
    Speed downstream = (15 + 3) kmph = 18 kmph. Distance travelled = 18 x 12 km = 3.6 km. 60
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