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      Question

      12 men working for 6 hours a day can complete a work in 20

      days. If 30 women are employed to work, then find how many hours a day they have to work to complete the same work in 10 days given that each woman is twice as efficient as a man.
      A 2.4 hrs Correct Answer Incorrect Answer
      B 4.6 hrs Correct Answer Incorrect Answer
      C 3.3 hrs Correct Answer Incorrect Answer
      D 3.5 hrs Correct Answer Incorrect Answer

      Solution

      ATQ,

      Let assume the required time = 'x' hours

      Let efficiency of each man = 'M' units per day

      So, efficiency of each woman = 2 × M = '2M' units per day

      According to the question:


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