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1.
A boat travel with a speed of 10 km / hr in still water. If the speed of the stream is 3 km / hr then find time taken by boat to travel 52 km downstream .
- A. 2 hrs
- B. 2 hrs
- C. 2 hrs
- D. 2 hrs
Answer: Option B
Explanation:
Speed downstream = (10 + 3) km/hr = 13 km/hr
Time taken to travel 52 km downstream = 52/13 hours = 4 hours
Time taken to travel 52 km downstream = 52/13 hours = 4 hours
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