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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is 7 modulo 3?
💡 Hint: Subtract multiples of 3 from 7.
Question 2
Easy
Calculate -10 mod 4.
💡 Hint: Think about where -10 lies on a number line mod 4.
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 8 mod 5?
- 3
- 2
- 1
💡 Hint: Subtract 5 from 8 and see where you land.
Question 2
Is -7 congruent to 1 mod 4?
- True
- False
💡 Hint: Check by calculating the remainders.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Using the square and multiply method, calculate 2^15 mod 17.
💡 Hint: Remember to calculate powers based on binary digits!
Question 2
Explain why (a / b) modulo N is not defined generally. Give an example in your explanation.
💡 Hint: Consider cases where the numerator is smaller than the denominator.
Challenge and get performance evaluation