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      Question

      Two individuals, S and T, travel from point C to point D at

      different speeds. S takes 4 hours to complete the journey, while T takes 6 hours. The difference in their speeds is 3 km/h, with one traveling faster than the other. Determine the distance between points C and D.
      A 25 km Correct Answer Incorrect Answer
      B 55 km Correct Answer Incorrect Answer
      C 92 km Correct Answer Incorrect Answer
      D 90 km Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ;

      Let T's speed = 't' km/h,

      S's speed = (t + 3) km/h

      Time ratio = T : S = 6 : 4

      Speed ratio = 4 : 6

      Using the given speed difference,

      t = 15 km/h

      Distance = Speed Γ— Time = 15 Γ— 6 = 90 km

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