Aptitude Test for Freshers

Q.  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: See Answer
 
No explanation is available for this question!
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