Practice Age Group and Pigeonhole Principle Application - 18.2.1 | 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

Define a strictly increasing subsequence.

💡 Hint: Think about an example where numbers go up.

Question 2

Easy

What does the pigeonhole principle state?

💡 Hint: Consider how this might apply to people and birthdays.

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 a strictly increasing subsequence?

  • A sequence where elements decrease
  • A sequence where each element is equal
  • A sequence where each element is larger than the previous

💡 Hint: Think of a climbing path.

Question 2

Does the pigeonhole principle allow for items to fit without overlap?

  • True
  • False

💡 Hint: Consider how many people can fit into a car.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Provide a proof using the pigeonhole principle to show that among any 10 individuals selected randomly, there must be at least two who share the same birthday month.

💡 Hint: Think of how many months the year has versus the number of persons.

Question 2

Given a sequence of 10 distinct integers, demonstrate using theorems related to subsequences that there must be increasing subsequences of at least 4 numbers.

💡 Hint: Think about how they can be grouped and compared in ranges.

Challenge and get performance evaluation