Practice Lecture - 54 - 1.1 | 5. Lecture - 54 | Discrete Mathematics - Vol 3
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

List the requirements for a sequence to be considered graphic.

💡 Hint: Recall the acronym NEE.

Question 2

Easy

Are the vertex degrees in a graphic sequence required to be distinct?

💡 Hint: Think about examples that can have identical values.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is one requirement for a sequence to be graphic?

  • They can have negative values.
  • Sum must be odd.
  • Non-negative values.

💡 Hint: Think about physical graph representation.

Question 2

True or False: The sequence (5,3,1) is graphic.

  • True
  • False

💡 Hint: Check the connectivity of the vertex with the highest degree.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Show that the sequence (5, 4, 3, 3, 2, 1) can be graphic, and construct a corresponding graph.

💡 Hint: Use the Havel-Hakimi theorem to simplify your process.

Question 2

Using the Havel-Hakimi theorem, prove whether (6, 5, 4, 3, 3) is graphic.

💡 Hint: Always rearrange after each step to maintain order.

Challenge and get performance evaluation