If p = {1, 3, 5, 7, 9} and Q = {2, 4, 6, 8,
MATHEMATICS
WAEC 2006
If p = {1, 3, 5, 7, 9} and Q = {2, 4, 6, 8, 10} are subsets of a universal set. U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. What are the elements of PI \(\cap\) QI?
- A. {1, 3, 5, 7, 9}
- B. [2, 4, 6, 8, 10}
- C. \(\varnothing\)
- D. {1, 2, 6, 8, 10}
Correct Answer: C. \(\varnothing\)
Explanation
PI = {2, 4, 6, 8, 10}; {1, 3, 5, 7, 9}
PI \(\cap\) qI = {} or \(\varnothing\)
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