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      Question

      60 men can complete a piece of work in 12 days. 12 men

      started the same work and worked for 10 days, and then joined by β€˜x’ more men such that the remaining work is completed in 12 days. Find the value of β€˜x’.
      A 36 Correct Answer Incorrect Answer
      B 40 Correct Answer Incorrect Answer
      C 39 Correct Answer Incorrect Answer
      D 38 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      According to the question, 60 Γ— 12 = 12 Γ— 10 + (12 + x) Γ— 12 Or, 12 + x = (720 – 120) Γ· 12 Or, 12 + x = 50 Or, x = 38

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