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1. If the sum of three consecutive integers is odd, then the first and the last integers must be -
- A. odd, even
- B. odd, even
- C. odd, even
- D. odd, even
Answer: Option D
Explanation:
For example,
2 + 3 + 4 = 9 ( odd)
but,
3 + 4 + 5 = 12 ( even)
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