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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the cardinality of the set {3, 1, 2}?
💡 Hint: Count the elements in the set.
Question 2
Easy
Is {x} a singleton set?
💡 Hint: Think about the definition of a singleton set.
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 represent?
- Elements in A only
- Elements in B only
- Elements common to both A and B
💡 Hint: Look for common elements in both sets.
Question 2
True or False: The power set of {1, 2} contains 4 elements.
- True
- False
💡 Hint: Consider the subsets of a 2-element set.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given sets A = {1, 2, 3}, B = {3, 4, 5}, and C = {1, 4}, prove that A ∩ (B ∪ C) = (A ∩ B) ∪ (A ∩ C).
💡 Hint: Think about the distributive property of sets.
Question 2
Construct the power set of the set D = {a, b}. List all subsets and explain.
💡 Hint: Consider how many subsets you can form from 2 elements.
Challenge and get performance evaluation