An ocean current flows at a rate of 1.5 km/hr. A shark can swim in sti – McqOptions

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1.	An ocean current flows at a rate of 1.5 km/hr. A shark can swim in still water at the rate 4.5 km/hr. What is the average speed for the entire distance travelled, if the shark swims from India to Australia and comes back?
A.	3.5 km/hr
B.	4 km/hr
C.	3 km/hr
D.	6 km/hr
Answer» C. 3 km/hr

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