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A boat can go 30 km downstream and 24 km...

A boat can go 30 km downstream and 24 km upstream in 2 hours 27 minutes. Also, it can go 10 km downstream and 4 km upstream in 37 minutes. What is the speed of the boat upstream (in km/h)?

A

18

B

20

C

22

D

24

Text Solution

Verified by Experts

The correct Answer is:
B
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