Which of the following statements is/are TRUE for undirected graphs? P: Number of odd degree vertices is even. Q: Sum of degrees of all vertices is even.

Which of the following statements is/are TRUE for undirected graphs?

1.	Which of the following statements is/are TRUE for undirected graphs? P: Number of odd degree vertices is even. Q: Sum of degrees of all vertices is even.
A.	P only
B.	Q only
C.	Both P and Q
D.	Neither P nor Q
Answer» D. Neither P nor Q

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Which of the following statements is/are TRUE for undirected graphs? P: Number of odd degree vertices is even. Q: Sum of degrees of all vertices is even.

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