GMAT Problem Solving

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Source: OG11th

Level: 3

If x and y are different prime numbers, each greater than 2, which of the following must betrue?


II x - y is an even integer.

III is not an integer.

  • A II only
  • B I and II only
  • C I and III only
  • D II and III only
  • E I,IIandIII

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