Which Vertex exhibits its In - degree and Out - degree to be ' 1 ' & ' – McqOptions

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1.	Which Vertex exhibits its In - degree and Out - degree to be ' 1 ' & ' 0 ' respectively?
A.	Pendant Vertex
B.	Isolated Vertex
C.	Cut-Vertex
D.	Labeled Vertex
Answer» B. Isolated Vertex

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