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12th Grade Principle Basics Quizzes, Questions & Answers

12th Grade

Top Trending Principle Basics Quizzes


How can counting what doesn’t happen help you find what does? In this quiz, you’ll explore complementary counting and see how subtracting unwanted outcomes simplifies many problems. You’ll practice...

Questions: 20  |  Attempts: 10   |  Last updated: Dec 17, 2025
  • Sample Question 1
    Out of N=200 students, |A|=120 (Art), |B|=90 (Band), and |A ∩ B|=50. How many are in none of A or B?
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  • Sample Question 2
    For any two sets A and B in a universe of size N, the count in none is N − |A ∪ B|.
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How can you handle overlapping sets without double-counting? In this quiz, you’ll explore the two-set inclusion–exclusion principle and learn how it corrects overcounts by subtracting shared elements. You’ll...

Questions: 20  |  Attempts: 10   |  Last updated: Dec 17, 2025
  • Sample Question 1
    Given |A|=30, |B|=25, and |A ∩ B|=12, what is |A ∪ B|?
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  • Sample Question 2
    If A and B are disjoint, then |A ∪ B| = |A| + |B|.
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