Boats-and-Streams-Solved-Examples-Set-1, MCQ (Free PDF)


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1. A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is:
A. 8.5 km/hr
B. 10 km/hr.

C. 12.5 km/hr
D. 9 km/hr
Answer : Option B

2. A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is:
A. 10
B. 6
C. 5
D. 4
Answer : Option C

3. In one hour, a boat goes 14 km/hr along the stream and 8 km/hr against the stream. The speed of the boat in still water (in km/hr) is:
A. 12 km/hr
B. 11 km/hr
C. 10 km/hr
D. 8 km/hr
Answer : Option B

4. A man rows to a place 48 km distant and come back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:
A. 1 km/hr.
B. 2 km/hr.
C. 1.5 km/hr.
D. 2.5 km/hr.
Answer : Option A

5. A boatman goes 2 km against the current of the stream in 2 hour and goes 1 km along the current in 20 minutes. How long will it take to go 5 km in stationary water?
A. 2 hr 30 min
B. 2 hr
C. 4 hr
D. 1 hr 15 min
Answer : Option A

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