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Source: OG11th

Level: 3

If the sum of n consecutive integers is 0,which of the following must be true?

I. n is an even number.

II. n is an odd number.

III. The average (arithmetic mean) of the n integers is 0

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

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