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    Question

      A man takes 6 hours to go to  a place and come back

    by walking both the ways. He could have saved 2 hours by riding both the ways. The distance covered in the whole journey is 20 miles. What is the average speed for the whole journey if he goes by walking and comes back by riding?
    A 8 miles/hr Correct Answer Incorrect Answer
    B 5 miles/hr Correct Answer Incorrect Answer
    C 6 miles/hr Correct Answer Incorrect Answer
    D 4 miles/hr Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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