A man rows at 6 km/hr in still water and 4.5km/hr against current. His rate along the current is :

A 9.5 km/hr
B 7.5 km/hr
C 7 km/hr
D 5.25 km/hr

Correct Answer: 7.5 km/hr

along the current হচ্ছে current এর সাথে, তাহলে current তাকে row করতে সাহায্যে করবে। এটি হবে নিজের rate + current এর rate এখন current এর rate = 6 - 4.5 = 1.5 km/hr along rate = 6 + 1.5 = 7.5 km/hr
Bissoy MCQ
#গণিত #Oil & Gas Co. Ltd #Sylhet Gas Field Co - Asst. Manager -14.06.2013

Related Questions

A man rows a certain distance along the stream and against the stream in 1 hour and 1.5 hours respectively . If the velocity of the current is 3 km /hr. what is the speed of a man in still water?
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