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      Question

      Determine the highest common factor (HCF) of the numbers

      75, 125, and 300.
      A 15 Correct Answer Incorrect Answer
      B 25 Correct Answer Incorrect Answer
      C 30 Correct Answer Incorrect Answer
      D 75 Correct Answer Incorrect Answer

      Solution

      75 = 3 x 52 125 = 53 300 = 22 x 3 x 52 So, required HCF = 52 = 25 Hence, option b.

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