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      Question

      How many pairs of natural numbers (x, y) exist such that

      x>y and the product of x, y and HCF (x, y) = 2520? solve this 
      A 3 Correct Answer Incorrect Answer
      B 5 Correct Answer Incorrect Answer
      C 6 Correct Answer Incorrect Answer
      D 4 Correct Answer Incorrect Answer

      Solution

      The correct answer is D

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