GRE Problem Solving Question 687

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Source: Magoosh

If x and y are positive odd integers, then which of the following must also be an odd integer?


II. x(y+1)

III. [m](y+1)^(x-1) + 1

  • A I only
  • B II only
  • C III only
  • D I and III
  • E None of the above

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