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    Question

    Two friends ‘P’ and ‘Q’ started walking towards

    each other from two towns ‘A’ and ‘B’ respectively. When they met after 7 hours, ‘Q’ had walked 105 km more than ‘P’. What was the distance covered by ‘P’ in 3 hours if the distance between towns A and B is 525 km?
    A 90 km Correct Answer Incorrect Answer
    B 60 km Correct Answer Incorrect Answer
    C 40 km Correct Answer Incorrect Answer
    D 20 km Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let distance travelled by friend ‘P’ at the time of meet = x km

    So, distance travelled by friend ‘Q’ at the time of meet = x + 105 km

    According to question;

    x + x + 105 = 525

    Or, 2x = 420

    Or, x = 210

    Distance travelled by ‘P’ in 7 hours = 210 km

    Speed of ‘P’ = 210 / 7 = 30 km/h

    Distance travelled by ‘P’ in 3 hours = 30 × 3 = 90 km

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