Question
A man swims downstream 60 km and upstream 36 km, taking
12 hr each time. Find the man’s rate in still water?Solution
Speed downstream = 60/12 = 5 km/hr Speed upstream = 36/12 = 3 km/hr Man’s rate in still water= (5 + 3) x ½ = 4 kmph
Question
Speed downstream = 60/12 = 5 km/hr Speed upstream = 36/12 = 3 km/hr Man’s rate in still water= (5 + 3) x ½ = 4 kmph
