alleryWhat is true of the parity of any two consecutive integers?
AThey have opposite parity
BThey have the same parity
CBoth are even numbers
DBoth are odd numbers
Answer & Solution
Correct answer: A. They have opposite parity
1. Take 22 and 23.
2. One is even and the other is odd.
3. This holds for any consecutive pair, so same parity is impossible.
_Source: Wikipedia, Parity (mathematics), lead section_
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