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Imran rows 12 km downstream in 1.5 hours. His speed in still water is 6.5 km/h. How long will 12 km upstream take him?

Competition practiceBoats & Streams
  • A2.4 hours
  • B2 hours
  • C3 hours
  • D1.85 hours

Step-by-Step Solution

Downstream = 8 km/h; current = 1.5 km/h; upstream = 5 km/h. Time = 12 ÷ 5 = 2.4 hours.
Answer: A) 2.4 hours

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