Question

    A boy goes to school at 12 km/Hr and return at a speed

    of 11 km/hr. If he takes 23 hrs in all. Find the distance from his village to school?
    A 120 km Correct Answer Incorrect Answer
    B 121 km Correct Answer Incorrect Answer
    C 132 km Correct Answer Incorrect Answer
    D 122 km Correct Answer Incorrect Answer
    E 123 km Correct Answer Incorrect Answer

    Solution

    Let the distance from village to school be D km According to the question, ⇒ D/12 + D/11 = 23 ⇒ 23D/132 = 23 ⇒ D = 132 km

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