16. The speed of a boat in still water is 60 kmph and the
speed of the current is 20 kmph. Find the speed of
downstream and upstream-
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Answer:
Speed downstream = 15 km/hr
Rate of the current= 11⁄2 km/hr
Speed in still water = 15 - 11⁄2 = 131⁄2 km/hr
Rate against the current = 131⁄2 km/hr - 11⁄2 = 12 km/hr
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