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Mariya was travelling in her boat when t...

Mariya was travelling in her boat when the wind blew her hat off and the hat started floating back downstream. The boat continued to travel upstream for twelve more minutes before Mariya realized that her hat had fallen off and turned back downstream. She caught up with that as soon as it reached the starting point. Find the speed of river if Mariya's hat flew off exactly 3 km from where she started :

A

5km/h

B

6km/h

C

7.5km/h

D

can't be determined

Text Solution

Verified by Experts

The correct Answer is:
C
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