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      Question

      A boat's speed in still water is 12 km/hr, and the

      current’s speed is 4 km/hr. If the boat takes a total of 18 hours to travel ‘x’ km each in both directions, find ‘x’.
      A 68 Correct Answer Incorrect Answer
      B 96 Correct Answer Incorrect Answer
      C 58 Correct Answer Incorrect Answer
      D 75 Correct Answer Incorrect Answer

      Solution

      ATQ, Downstream speed = 12+4=16 km/hr

      Upstream speed = 12−4=8 km/hr Image
      Taking LCM of 16 and 8, Image

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