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1. In one hour, a boat goes 11 km along the stream and 5 km against the stream. The speed of the boat in still water (in km/hr) is :
- A. 3
- B. 3
- C. 3
- D. 3
Answer: Option C
Explanation:
Hints : Speed in still water = 1/2 (11 + 5) km/hr = 8 km/hr
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