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      Question

      Find difference between the LCM and HCF of 14, 42 and

      77.
      A 469 Correct Answer Incorrect Answer
      B 462 Correct Answer Incorrect Answer
      C 455 Correct Answer Incorrect Answer
      D 458 Correct Answer Incorrect Answer

      Solution

      LCM of (14, 42 and 77) = (2 × 3 × 7 × 11) = 462HCF of (14, 42 and 77) = 7Required difference = 462 – 7 = 455

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