easy · GMAT Quant
A warehouse records three crate counts a, b, and c such that the product a b c is an odd integer.
Which of the following statements must be true?
- a + b + c is an even integer.
- At least one of a, b, or c is an even integer.
- a, b, and c are all odd integers.
- a + b is an odd integer.
- ab + c is an odd integer.
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