Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Programming and Data Structure Tree Representation of Binary Tree
A binary tree T have n leaf nodes. What is the number of nodes with degree of 2 in tree T?
1
n/2
2
n - 1
3
2n
4
More than one of the above
5
None of the above