Mathematics
Medium
Question
Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is_________?
A
16 hours
B
18 hours
C
20 hours
D
24 hours
✓ Official correct answer
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A
16 hours
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B
18 hours
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C
20 hours
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D
24 hours
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