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Q: A man can row against the current three fourth of a kilometer in 15 min and returns same distance in 10 min, then ratio of his speed to that of current?

  • 1
    5:1
  • 2
    3:1
  • 3
    4:1
  • 4
    2:1
  • Show Answer
  • Workspace

Answer : 1. "5:1"
Explanation :

Answer: A) 5:1 Explanation: Let the speed of the man in still water = p kmph Speed of the current = s kmph Now, according to the questions (p + s) x 10 = (p - s) x 15 2p + 2s = 3p - 3s => p : s = 5 : 1   Hence, ratio of his speed to that of current = 5:1.

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