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      Question

      30 men can complete a piece of work in 48 days. β€˜x’

      men started the work and after 33 days 64 more men joined them so that whole work was finished in the desired time. Find the value of β€˜x’
      A 12 Correct Answer Incorrect Answer
      B 13 Correct Answer Incorrect Answer
      C 10 Correct Answer Incorrect Answer
      D 14 Correct Answer Incorrect Answer

      Solution

      Total work = 30 Γ— 48 = 1440 units According to question; 33 Γ— x + 15 Γ— (x + 64) = 1440 Or, 33x + 15x + 960 = 1440 Or, 48x = 480 Or, x = 10

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