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      Question

      Find the greatest 3-digit number which when divided by 11

      or 16 leaves 3 as remainder.
      A 415 Correct Answer Incorrect Answer
      B 775 Correct Answer Incorrect Answer
      C 883 Correct Answer Incorrect Answer
      D 870 Correct Answer Incorrect Answer

      Solution

      ATQ,

      LCM of 11 and 16 = 176

      Let the required number be of the form:

      Number = 176 × k + 3

      We want the greatest 3-digit number:

      176k + 3 ≤ 999

      ⇒ 176k ≤ 996

      ⇒ k = 5 (since 176 × 5 = 880)

      ∴ Required number = 176 × 5 + 3 = 883

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