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    Question

    Ramesh covered one-fourth of the total journey at 30

    km/h and the rest at 45 km/h. If he took a total of 8 hours to complete the journey, how much distance did he travel at 45 km/h?
    A 200 km Correct Answer Incorrect Answer
    B 220 km Correct Answer Incorrect Answer
    C 235 km Correct Answer Incorrect Answer
    D 240 km Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the total distance be 4D km. ATQ: (D/30) + (3D/45) = 8 Or, (3D + 6D) ÷ 90 = 8 Or, (9D/90) = 8 So, D = 80 Required distance = 3 × 80 = 240 km

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