Mathematics
Medium
Question
A man can swim in still water at 4.5 km/h, but takes twice as long to swim upstream than downstream. The speed of the stream is_________?
A
3
B
7.5
C
2.25
D
1.5
✓ Official correct answer
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A
3
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B
7.5
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C
2.25
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D
1.5
No member explanations yet for this option.