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 is a ternary string?
💡 Hint: Think about the number of different characters involved.
Question 2
Easy
What does 'strictly increasing sequence' mean?
💡 Hint: Consider how each term compares to its predecessor.
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 a ternary string?
💡 Hint: Think about the prefix 'ternary' which suggests three.
Question 2
True or False: A sequence can be called strictly increasing if the same number appears twice.
💡 Hint: Consider the definition of 'strict'.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
Construct the first five valid ternary strings of length 3 and derive T(3).
💡 Hint: Focus on ensuring the sequences increase with each character.
Question 2
Prove that if T(n) is defined as above, T(5) is double T(4).
💡 Hint: Use the established relationship we've discussed.
Challenge and get performance evaluation