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      Question

      Find out how much the Least Common Multiple exceeds the

      Highest Common Factor of 16, 40, and 80.
      A 177 Correct Answer Incorrect Answer
      B 152 Correct Answer Incorrect Answer
      C 180 Correct Answer Incorrect Answer
      D 145 Correct Answer Incorrect Answer

      Solution

      ATQ,

      LCM of (16, 40, and 80) = (2 x 2 x 2 x 2 x 5) = 160

      HCF of (16, 40, and 80) = 8

      Required difference = 160 - 8 = 152

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