A river flows at speed of 6 km/hr. Surendra swims downstream for some – McqOptions

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1.	A river flows at speed of 6 km/hr. Surendra swims downstream for some distance in just 12 hours. But he takes 18 hours to return the same distance upstream. How fast is Surendra in still water?
A.	30 km/hr
B.	24 km/hr
C.	12 km/hr
D.	36 km/hr
Answer» B. 24 km/hr

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