Mathematics
Medium
Question
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
✓ Official correct answer
B
5.75km/hr
C
6.5km/hr
D
7km/hr
Community credibility
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A
3.5km/hr
No member explanations yet for this option.
B
5.75km/hr
No member explanations yet for this option.
C
6.5km/hr
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D
7km/hr
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