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A man can row 12 km/h in still water. If the river is running at 3 km/h, it takes 6 hours more upstream than to go downstream for the same…

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A man can row 12 km/h in still water. If the river is running at 3 km/h, it takes 6 hours more upstream than to go downstream for the same distance. How far is the place ?

A130 km
B135 km
C140 km
D145 km

Correct answer: B

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Discussion 1

CCommunity12 Jul 2021

135 km

Let the distance of the place be x km.
∴ x/12 - 3 - x/12 + 3 = 6
or x/9 - x/15 = 6