A) \[m+n\]is an odd number
B) \[m+n\]is an even number
C) \[n+1\]is an even number
D) \[m+1\]is an odd number
Correct Answer: B
Solution :
Since, the number of vertices of odd degree is always even and number of even degree is always even. So,\[m+n\]is an even number.You need to login to perform this action.
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