Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does C(0) equal?
💡 Hint: How many valid sequences are possible with no pairs?
Question 2
Easy
What is the value of C(1)?
💡 Hint: Think of the simplest case of one pair of parentheses.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the value of C(3)?
💡 Hint: Recall the example we discussed regarding valid arrangements.
Question 2
Is C(n) always equal to a positive integer?
💡 Hint: Think about what Catalan numbers represent in combinatorics.
Solve and get performance evaluation
Push your limits with challenges.
Question 1
Calculate C(4) using the recurrence relation and list all valid sequences.
💡 Hint: List combinations for n = 3 and apply them step-wise.
Question 2
Explore another combinatorial problem that shares a bijection with Catalan numbers. Describe it.
💡 Hint: Draw the connection based on how parentheses reflect balance in sequences.
Challenge and get performance evaluation