Ambani can swim 9 km/hr in still water. It takes him twice as long as – McqOptions

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1.	Ambani can swim 9 km/hr in still water. It takes him twice as long as to swim up as to swim down. Find the rate of stream of the river?
A.	3 km/hr
B.	6 km/hr
C.	5 km/hr
D.	4 km/hr
Answer» B. 6 km/hr

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