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GATE | GATE CS 2013 | Question 25

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)

Neither P nor Q
 

(B)

Both P and Q
 

(C)

Q only
 

(D)

P only
 

Answer

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