Binary tree - Nodes, Null branches

Q.  If a binary tree has 25 nodes, then how many null branches are there?
- Published on 23 Jun 15

a. 54
b. 27
c. 26
d. None of the above

ANSWER: 26

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    Discussion

  • Nihal   -Posted on 01 Apr 16
    A binary tree with 'n' nodes has exactly n+1 null branches. If n = 25, then total number of null branches will be 26.

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