Question

    Before servicing, a car runs at a speed of 20 km/hr

    while after servicing, it runs at a speed of 30 km/h. After servicing the car covers a certain distance in 8 hours. How much time would the car have taken to cover the same distance when it was not serviced?
    A 8 hours Correct Answer Incorrect Answer
    B 16 hours Correct Answer Incorrect Answer
    C 12 hours Correct Answer Incorrect Answer
    D 4 hours Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    After servicing, Distance covered by the car = 30 × 8 = 240 km Required time taken = 240/20 = 12 hours

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