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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is 15 mod 4?
💡 Hint: Subtract multiples of 4 from 15.
Question 2
Easy
Is 8 ≡ 2 mod 6 true or false?
💡 Hint: Check the difference between 8 and 2.
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 the result of 12 mod 5?
- 1
- 2
- 3
- 4
💡 Hint: Perform the division and find the leftover.
Question 2
6 ≡ 0 mod 3 is true or false?
- True
- False
💡 Hint: Consider the definition of congruence.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a = 17, b = -5, and N = 6, find a * b mod N.
💡 Hint: Calculate the product first, then reduce using mod.
Question 2
Demonstrate, with a counterexample, that you cannot cancel terms in modular division.
💡 Hint: Find values where the terms are not congruent.
Challenge and get performance evaluation