Mathematics
Medium
Question
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
✓ Official correct answer
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A
5 kmph
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B
6 kmph
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C
7 kmph
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D
8 kmph
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