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    Question

    A boy goes to school at 8 km/Hr and return at a speed of

    7 km/hr. If he takes 15 hrs in all. Find the distance from his village to school?
    A 68 km Correct Answer Incorrect Answer
    B 78 km Correct Answer Incorrect Answer
    C 46 km Correct Answer Incorrect Answer
    D 65 km Correct Answer Incorrect Answer
    E 56 km Correct Answer Incorrect Answer

    Solution

    Let the distance from village to school be D km According to the question, ⇒ D/8 + D/7 = 15 ⇒ 15D/56 = 15 ⇒ D = 56 km

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