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Source: OG11th

Level: 3

If a, b, and c are consecutive positive integers and a < b < c, which of the following must be true?

I c-a = 2

II abc is an even integer.

III is an integer.

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

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