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QA - Placement Quizzes | Trains, Boats and Streams | Question 5
A motorboat crosses a certain distance in 1 hour and comes back in 1½ hours. If the stream is running at 3 km/h, find out the speed of motorboat in still water.
(A)
10 km/h
(B)
15 km/h
(C)
12 km/h
(D)
None of these
Answer
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