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.Management Sciences
Category: Boats and Streams
A boat is rowed downstream at 15.5km/hr and upstream at 8.5 km/hr. The speed of the stream is________?
A. 3.5km/hr
B. 5.75km/hr
C. 6.5km/hr
D. 7km/hr
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A man can row downstream at 18 kmph and upstream at 10 kmph. Find the speed of the man in still water and the speed of stream respectively?
A. 13, 3
B. 12, 6
C. 15, 3
D. 14, 4
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A man can row his boat with the stream at 6 km/h and against the stream in 4 km/h. The man’s rate is________?
A. 1 kmph
B. 5 kmph
C. 8 kmph
D. 3 kmph
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A man can row 7 ½ kms on hour in still water and he finds that it takes hi twice as long to row down the river. The rate of stream is
A. 2.4km/hr
B. 2.5 km/hr
C. 3.4km/hr
D. 3.5km/hr
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In a river, a man takes 3 hours in rowing 3 km upstream or 15 km downstream. What is the speed of the current?
A. 2km/hr
B. 4km/hr
C. 6km/hr
D. 9km/hr
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A man rows his boat 85 km downstream and 45 km upstream, taking 2 1/2 hours each time. Find the speed of the stream?
A. 5 kmph
B. 6 kmph
C. 7 kmph
D. 8 kmph
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A man can row 9 1/3 km/hr in still water and he finds that is thrice as much time to row u p than as to row down the same distance in river. The speed of the current is:________?
A. 3 1/3 km/hr
B. 3 1/9 km/hr
C. 1 ¼ km/hr
D. 4 2/3 km/hr
(more…)
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