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Q:

The rates of working of A and B are in the ratio of 2 : 3. The number of days taken by each of them to finish the work is in the ratio : 

  • 1
    3 : 2
  • 2
    9 : 4
  • 3
    2 : 3
  • 4
    4 : 9
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Answer : 1. "3 : 2 "

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