Q. A boat goes 15 km upstream and 10 1/2 km down stream in 3 hrs 15 min. It goes 12 km upstream and 14 km downstream in 3 hrs. What is the speed of the boat in still water?
A) 6
B) 4
C) 14
D) 10
✔ Correct Answer: 10
Exam Insight
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A) 6
B) 4
C) 14
D) 10
✔ Correct Answer: 10
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