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      Question

      ‘A’ can do a piece of work in 12 days. ‘B’ can

      do 60% of the same work in 18 days. If they work together for the entire time and get paid Rs.1540, then find the share of ‘A’.
      A Rs.1120 Correct Answer Incorrect Answer
      B Rs.1100 Correct Answer Incorrect Answer
      C Rs.1000 Correct Answer Incorrect Answer
      D Rs.1050 Correct Answer Incorrect Answer

      Solution

      Let the total work be 36 units. (LCM of 12 and 18) Efficiency of A = 36/12 = 3 units/day Efficiency of B = (36/18) × (60/100) = 6/5 units/day Ratio of the efficiency of A : B = 3 : 6/5 = 15:6 Share of A = (15/21) × 1540 = Rs.1100

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