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1. If x is an integer, then which of the following is must be odd?

  • A. 2x + 2
  • B. 2x + 2
  • C. 2x + 2
  • D. 2x + 2

Answer: Option D

Explanation:

Let, x=2

then, 2x+3=2×2+3=7 which is odd

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