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    Question

    Bus P takes 30 minutes to cover a distance of 60 km. If

    bus Q is 20% faster than bus P. Find the time taken by bus Q to cover the same distance?
    A 30 min Correct Answer Incorrect Answer
    B 25 min Correct Answer Incorrect Answer
    C 54 min Correct Answer Incorrect Answer
    D 14 min Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    Speed of bus P = 60 × 60/30 = 120 km/hr Speed of bus Q = 120 × 120/100 = 144 km/hr Time taken by bus Q = (60 × 60)/144 = 25 min

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