If X = {x : x < 7} and Y = {y:y is a factor
MATHEMATICS
WAEC 2020
If X = {x : x < 7} and Y = {y:y is a factor of 24} are subsets of \(\mu\) = {1, 2, 3...10} find X \(\cap\) Y.
- A. {2, 3, 4, 6}
- B. {1, 2, 3, 4, 6}
- C. {2, 3, 4, 6, 8}
- D. {1, 2, 3, 4, 6, 8}
Correct Answer: B. {1, 2, 3, 4, 6}
Explanation
\(\mu\) = {1, 2, 3, 4..., 10}
X = {1, 2, 3, 4, 5, 6}
Y = {1, 2, 3, 4, 6, 8}
Therefore;
X \(\cap\) Y = {1, 2, 3, 4, 6}
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