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    Question

    How far will 'Raj' travel by the time he catches up to

    'Amit', given that 'Raj' starts 120 km behind and moves at 50 km/h while 'Amit' moves at 40 km/h?
    A 420 km Correct Answer Incorrect Answer
    B 575 km Correct Answer Incorrect Answer
    C 270 km Correct Answer Incorrect Answer
    D 600 km Correct Answer Incorrect Answer

    Solution

    ATQ,

    Relative speed of 'Raj' w.r.t 'Amit' = 50 - 40 = 10 km/h

    Time taken by 'Raj' to overtake 'Amit' = (120/10) = 12 hours

    So, distance covered by 'Raj' in 12 hours = 50 × 12 = 600 km

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