Friday, 27 October 2017

Net 36

CBSE NET December 2010 PAPER II

Q. A binary tree with 27 nodes has _______ null branches.
(A) 54
(B) 27
(C) 26
(D) None of the above

Ans :- (D)


A binary tree with n nodes has n+1 null branches. So a binary tree with 27 nodes will have 28 null branches.

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