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    Question

    A car covers 135 km in 3 hours. The scooter is 2.5 m/s

    slower than the car. Find the scooter’s distance (in metres) in 5 minutes.
    A 4,200 m Correct Answer Incorrect Answer
    B 8,500 m Correct Answer Incorrect Answer
    C 3,000 m Correct Answer Incorrect Answer
    D 1,100 m Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Speed of car = (135/3) = 45 km/h = 45 × (5/18) = 12.5 m/s

    Speed of scooter = 12.5 − 2.5 = 10 m/s

    5 minutes = 5 × 60 = 300 seconds

    Required distance = 10 × 300 = 3,000 metres

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