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      Question

      55 men can complete a piece of work in 18 days. тАШxтАЩ

      men started the work and after 9 days 64 more men joined them so that whole work was finished in the desired time. Find the value of тАШxтАЩ
      A 20 Correct Answer Incorrect Answer
      B 25 Correct Answer Incorrect Answer
      C 23 Correct Answer Incorrect Answer
      D 28 Correct Answer Incorrect Answer

      Solution

      Total work = 55 ├Ч 18 = 990 units According to question; 9 ├Ч x + 9 ├Ч (x + 64) = 990 Or, 9x + 9x + 576 = 990 Or, 18x = 576 Or, x = 23

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