Question

    A boy goes to school at 9 km/Hr and return at a speed of

    8 km/hr. If he takes 17 hrs in all. Find the distance from his village to school?
    A 8 km Correct Answer Incorrect Answer
    B 9 km Correct Answer Incorrect Answer
    C 17 km Correct Answer Incorrect Answer
    D 72 km Correct Answer Incorrect Answer
    E 63 km Correct Answer Incorrect Answer

    Solution

    Let the distance from village to school be D km According to the question, ⇒ D/9 + D/8 = 17 ⇒ 17D/72 = 17 ⇒ D = 72 km

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