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A boat can go 20 km downstream and 30 km...

A boat can go 20 km downstream and 30 km upstream in 2 hours 20 minutes. Also, it can go 10 km downstream and 8 km upstream in 49 minutes. What is the speed of boat downstream in km/h?

A

18

B

20

C

16

D

24

Text Solution

Verified by Experts

The correct Answer is:
D
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