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      Question

      How can we determine the value of x, given that (x+8)

      workers, working 9 hours a day, can finish 60% of a task in 12 days, and (x+2) workers, working 3 hours a day, can complete the remaining work in 32 days?
      A 12 Correct Answer Incorrect Answer
      B 16 Correct Answer Incorrect Answer
      C 19 Correct Answer Incorrect Answer
      D 22 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, {(x + 8) ร— 9 ร— 12}/0.60 = {(x + 2) ร— 3 ร— 32}/0.40 Or, 3x + 24 = 4x + 8 Or, x = 16

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