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A boat can go 3 km upstream and 5 km dow...

A boat can go 3 km upstream and 5 km downstream in 55 minutes. It can also go 4 km upstream and 9 km downstream in 1 hour 25 minutes. In how much time (in hours) will it go 43.2 km downstream? /
एक नाव 55 मिनट में 3 किमी धारा के प्रतिकूल तथा 5 किमी धारा के अनुकूल जा सकती है | यह 1 घंटे 25 मिनट में 4 किमी धारा के प्रतिकूल तथा 9 किमी धारा के अनुकूल जा सकती है | धारा के अनुकूल 43.2 किमी जाने में इसे कितना समय (घंटे में ) लगेगा ?

A

4.4

B

4.8

C

3.6

D

5.4

Text Solution

Verified by Experts

The correct Answer is:
C
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