If and , find .
Answer and explanation
Correct answer: C.
- Step 1: The union contains every element that is in or in : . **Answer: . Why not the others:** is the intersection, is , and is .
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More Sets and Logic questions
- In a group of 50 students, 31 play tennis, 26 play badminton and 10 play neither. How many play both?
- In a group of 60 students, 40 play tennis, 35 play badminton and 4 play neither. How many play both?
- If , and , find .
- What is the converse of the statement 'If a number is divisible by 4, then it is even'?
- How many elements does the power set of have?