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      Question

      Speed of a car and a bus is 30 km/h and 18 km/h,

      respectively. If the time taken by the car to cover a distance of β€˜8x’ km is 1 hour less than time taken by the bus to cover a distance of β€˜6x’ km, then find the value of β€˜8x’.
      A 100 Correct Answer Incorrect Answer
      B 110 Correct Answer Incorrect Answer
      C 120 Correct Answer Incorrect Answer
      D 150 Correct Answer Incorrect Answer

      Solution

      According to the question, (6x/18) – (8x/30) = 1 Or, (6x Γ— 5 – 8x Γ— 3) Γ· 90 = 1 Or, (30x – 24x) Γ· 90 = 1 So, x = 15 Required value = 8 Γ— 15 = 120

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