How Many Days Taken by Them? If

The rates of working of A and B are in the ratio 3:4. The number of days taken by them to finish the work are in the ration:

  1. 3:4
  2. 9:16
  3. 4:3
  4. None of these
vijay Professor Asked on 2nd August 2015 in Maths.
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    Answer: (3) 4 : 3

    Explanation:-
    The rates working of A and B are in the ratio = 3 : 4
    The number of days taken by them = in the inverse ratio of working  ratio.

    Then , the number of days taken by them to finish the work are in the ratio = 4 : 3

    Hence, the answer is (3) 4 : 3.

    Anurag Mishra Professor Answered on 9th August 2015.
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