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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Calculate 10 mod 3.
💡 Hint: Think about dividing 10 by 3 and looking for the remainder.
Question 2
Easy
What is -7 mod 5?
💡 Hint: Adjust -7 into the positive range before calculating the mod.
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 does 'a ≡ b (mod N)' mean?
- a is greater than b
- a and b give the same remainder when divided by N
- a is divisible by N
💡 Hint: Think about the remainder from the division.
Question 2
True or False: Division in modular arithmetic can always be performed.
- True
- False
💡 Hint: Reflect on what happens when you divide numbers.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a = 17, b = 5, and N = 6, perform the operation a - b and then find the modulo.
💡 Hint: First perform the subtraction, then apply modulo.
Question 2
Can you determine the conditions under which modular division is valid if a = 15, b = 5, and N = 8?
💡 Hint: Check if the divisor b is invertible mod N.
Challenge and get performance evaluation