NTA UGC NET JUNE-2023 Paper-2
November 23, 2023Data-Interpretation
November 23, 2023Question 6764 – Data-Structures
The number of different binary trees with 6 nodes is ______.
Correct Answer: C
Question 522 Explanation:
Using catalan formula to find the total number of binary trees is (2n)! / (n! * (n+1)!)
Here, n=6
= (2*6)! / (6! * (6+1)!)
= (12)! / (6! * (7)!)
= 479001600 / (720*5040)
= 132
6
42
132
256