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A boat takes 4 hours to travel from a pl...

A boat takes 4 hours to travel from a place X to Y downstream and back from Yto X upstream.If the distance from X to Y is 10.5 km, and the speed ofthe current is 9 km/h, then the speed of the boat in still water, in km/h is:

A

`10(1)/(2)`

B

15

C

12

D

`12(1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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