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GATE | GATE-CS-2016 (Set 2) | Question 21
Breadth First Search (BFS) is started on a binary tree beginning from the root vertex. There is a vertex t at a distance four from the root. If t is the n-th vertex in this BFS traversal, then the maximum possible value of n is ________
[This Question was originally a Fill-in-the-blanks Question]
(A)
15
(B)
16
(C)
31
(D)
32
Answer
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