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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is 7 mod 3?
💡 Hint: Divide 7 by 3 and find the remainder.
Question 2
Easy
Is -4 mod 5 equal to 1?
💡 Hint: Calculate the remainder when adjusting, it should still be in the range.
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 5 mod 2?
- 1
- 2
- 3
💡 Hint: Think about the remainder when performing division.
Question 2
Congruence means two numbers have the same what when divided by a modulus?
💡 Hint: Recall the definition of congruence.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Demonstrate the inefficiency of the naive modular exponentiation approach compared to the square and multiply method, with specific examples.
💡 Hint: Calculate the intermediate powers and how they accumulate.
Question 2
Analyze a scenario where determining congruences can simplify a large addition and provide the calculation.
💡 Hint: Use smaller numbers by reducing before performing addition.
Challenge and get performance evaluation