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    Question

    A car typically travels 20%

    faster than a bike. The bike takes 4 hours to cover 300 km. If the car's speed were 8 km/h less than usual, how much time would it take to cover 328 km?
    A 8 hrs Correct Answer Incorrect Answer
    B 12 hrs Correct Answer Incorrect Answer
    C 4 hrs Correct Answer Incorrect Answer
    D 2 hrs Correct Answer Incorrect Answer

    Solution

    ATQ, Speed of the bike = (300/4) = 75 km/hr Usual speed of the car = 1.2 × 75 = 90 km Therefore, speed with which it travelled 328 km = 90 - 8 = 82 km/hr Required time taken = (328/82) = 4 hours

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