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  • Question
  • n is a whole number which when divided by 4 gives 3 as remainder. What will be the remainder when 2n is divided by 4?


  • Options
  • A. 3
  • B. 2
  • C. 1
  • D. 0

  • Correct Answer


  • Explanation
    Let n = 4 q + 3. Then 2 n = 8 q + 6   = 4(2 q + 1 ) + 2.

    Thus, when 2n is divided by 4, the remainder is 2.

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