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    Question

    Asha travels 40.5 km in 1 hour and 30 minutes. How far will

    she travel in 4 hours if her speed increases by 3 km/h?
    A 120 km Correct Answer Incorrect Answer
    B 140 km Correct Answer Incorrect Answer
    C 132 km Correct Answer Incorrect Answer
    D 150 km Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    30 minutes = (30/60) = 0.5 hours

    So, usual speed of Asha = (40.5 / 1.5) = 27 km/h

    Increased speed of Asha = 27 + 3 = 30 km/h

    Therefore, distance covered by her in 4 hours = 30 × 4 = 120 km

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