In a binary tree, the number of internal nodes of degree 1 is 3, and t – McqOptions

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1.	In a binary tree, the number of internal nodes of degree 1 is 3, and the number of internal nodes of degree 2 is 6. The number of leaf nodes in the binary tree is
A.	7
B.	8
C.	9
D.	10
Answer» B. 8

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