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A. 70, 10 kmph
B. 35, 27 kmph
C. 50, 60 kmph
D. 45, 55 kmph
Explanation:
Speed of the boat in still water = (60+80)/2 = 70 kmph. Speed of the stream = (80-60)/2 = 10 kmph.
Related Mcqs:
- The speed of a boat in still water is 2km/hr. If its speed upstream be 1km/hr then speed of the stream is________?
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- A boat can move upstream at 25 kmph and downstream at 35 kmph, then the speed of the current is_________?
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- A man swims downstream 30 km and upstream 18 km taking 3 hours each time, what is the speed of the man in still water?
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- A man can row a boat at 20 kmph in still water. If the speed of the stream is 6 kmph, what is the time taken to row a distance of 60 km downstream?
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