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    Question

    Two cars, labeled 'A' and 'B', simultaneously depart

    from the same starting point, traveling in the same direction. Car 'A' moves at a speed of 15 km/h, while Car 'B' travels at 24 km/h. How far apart are the two cars after 120 seconds?
    A 300 metres Correct Answer Incorrect Answer
    B 360 metres Correct Answer Incorrect Answer
    C 450 metres Correct Answer Incorrect Answer
    D 400 metres Correct Answer Incorrect Answer

    Solution

    Relative speed of car 'B' w.r.t that of car 'A' = 24 - 15 = 9 km/h So, distance covered in 120 seconds = 9 x(5/18) x 120 = 300 metres Hence, option a.

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