Which of the following is incorrect about number 9?
A. 9 is an odd number.
B. 9 is a composite number.
C. 9 is a perfect square.
D. 9 is an even number.
A. 9 is an odd number.
B. 9 is a composite number.
C. 9 is a perfect square.
D. 9 is an even number.
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D. 9 is an even number.
9 is An odd number and don't belong to even numbers.