

MCQOPTIONS
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1. |
Which of the following is/are applications of Catalan numbers? |
A. | Counting the number of Dyck words |
B. | Counting the number of expressions containing n pairs of parenthesis |
C. | Counting the number of ways in which a convex polygon can be cut into triangles by connecting vertices with straight lines |
D. | All of the mentioned |
Answer» E. | |