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Ronan Asked :

31-05-2021 Tree

Q. If there are 4 branches, 3 nodes then number of links in a co-tree are?

A. 2
B. 4
C. 6
D. 8


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Dapzoi Verified
Commented on 2021-05-31 12:35:49 (IST)
Answer: A

Explanation: Number of links = b-n+1. Given number of branches = 4 and number of nodes = 3. On substituting in the equation, number of links in a co-tree = 4 – 3 + 1 = 2.