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1. A man's speed with the current of a river is 15 km/hr and the speed of the current is 2.5 km/hr. What is the man's speed against the current?
- A. 8.5 km/hr
- B. 8.5 km/hr
- C. 8.5 km/hr
- D. 8.5 km/hr
Answer: Option C
Explanation:
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