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    Question

    The Ola started with its usual speed on Tuesday but when

    half of the distance was covered there was breakdown in the Ola car due to which Ola travelled with 5/9 of its usual speed , find the additional time taken to cover the same distance?
    A 5 hours Correct Answer Incorrect Answer
    B 10 hours Correct Answer Incorrect Answer
    C 15 hours Correct Answer Incorrect Answer
    D 8 hours Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Distance travelled by Ola on Tuesday = (18/100) × 5400 = 972 km Speed of Ola on Tuesday = 48.6 km/hour Time taken to cover 486 km = 486/48.6 = 10 hours Speed of Ola after breakdown = 5/9 × 48.6 = 27 km/hr So, Time required = 486/27 = 18 hours Total Time taken= 10 + 18 = 28 hours Actual time without breakdown = 972/48.6 = 20 hours Additional time = 28 – 20 = 8 hours

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