Boats and Streams - Quantitative Aptitude (MCQ) questions for Q. 28375

Q.  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?
- Published on 10 Mar 17

a. 3.5 km/hr
b. 4 km/hr
c. 3 km/hr
d. 6 km/hr

ANSWER: 4 km/hr
 
boats and streams

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