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Q: Arjun takes 5 hours to swim 40 km in the downstream, where as he only takes 2 hours to swim 24 km in the upstream. Tell his speed of swimming in still water.
  • A. 12 km/hr
  • B. 10 km/hr
  • C. 9 km/hr
  • D. 15 km/hr
Correct Answer: Option B -

Explanations: