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      Question

      4 man can make a wall in 12 days. How many men

      required to complete the same work in 6 days ?
      A 8 Correct Answer Incorrect Answer
      B 5 Correct Answer Incorrect Answer
      C 15 Correct Answer Incorrect Answer
      D 10 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Given, M1 = 4, D1 = 12, M2 = ? and D2 = 6
      From M1D1 = M2D2
      ⇒ 4 x 12 = M2 x 6
      ⇒ M2 = (4 x 12)/6
      ∴ M2 = 8

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