Mathematics
Medium
Question
A boat travels upstream from B to A and downstream from A to B in 3 hours. If the speed of the boat in still water is 9km/hr and the speed of the current is 3km/hr, the distance A and B is:_______?
A
4km
B
6 km
C
8 km
D
12 km
✓ Official correct answer
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A
4km
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B
6 km
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C
8 km
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D
12 km
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