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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is 9 mod 4?
💡 Hint: Divide 9 by 4 and find the remainder.
Question 2
Easy
Is 7 ≡ 2 (mod 5)?
💡 Hint: Check the difference of the numbers.
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 11 mod 4?
- 2
- 3
- 1
💡 Hint: Perform integer division and focus on the leftover.
Question 2
Is it possible to cancel numbers in a modular division?
- True
- False
💡 Hint: Remember examples that contradict this.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Find all integers A where A ≡ 3 (mod 5) and A ≤ 20.
💡 Hint: List multiples of 5 and add 3.
Question 2
Explain how to prove that two numbers are congruent if their difference is divisible by the modulus.
💡 Hint: Focus on expressing remainders.
Challenge and get performance evaluation