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      Question

      The HCF of two numbers is 9 and their LCM is 360. If one

      number is 45, find the other number.
      A 72 Correct Answer Incorrect Answer
      B 67 Correct Answer Incorrect Answer
      C 52 Correct Answer Incorrect Answer
      D 47 Correct Answer Incorrect Answer

      Solution

      Product of two numbers = HCF Ă— LCM = 9 Ă— 360 = 3240 Let the other number = x 45 Ă— x = 3240 x = 3240 / 45 = 72 Answer: 72

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