Practice Pigeonhole Principle Application - 18.1.4 | 18. Subsequence Existence | Discrete Mathematics - Vol 2
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the Pigeonhole Principle state?

💡 Hint: Think about how items can be grouped.

Question 2

Easy

Give an example of a strictly increasing sequence.

💡 Hint: Each term should be larger than the previous term.

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 does the Pigeonhole Principle guarantee?

  • It guarantees a unique solution.
  • It guarantees duplicates in containers.
  • It guarantees an increasing subsequence.

💡 Hint: Think about how items can be distributed.

Question 2

True or False: Every sequence of 4 distinct numbers must have an increasing subsequence of length 3.

  • True
  • False

💡 Hint: Try arranging 4 numbers differently.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a set of numbers {6, 2, 4, 8, 7}, find all increasing subsequences of at least length 3.

💡 Hint: Use combination of mappings to construct new subsequences.

Question 2

Show that for any set of 10 distinct integers, there must exist an increasing subsequence of length 4.

💡 Hint: Consider the distribution of integers in ranges.

Challenge and get performance evaluation