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      Question

      The product of two consecutive even integers is 960. Find

      the product of digits of the bigger number.
      A 11 Correct Answer Incorrect Answer
      B 6 Correct Answer Incorrect Answer
      C 2 Correct Answer Incorrect Answer
      D 5 Correct Answer Incorrect Answer

      Solution

      ATQ,

      Let the required numbers be (n - 1) and (n + 1).

      So, (n - 1) × (n + 1) = 960

      Or, n² - 1 = 960

      Or, n² = 961

      Or, n = 31

      Larger number = 31 + 1 = 32

      Required product = 3 × 2 = 6

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