Mathematics · Sets
If A = {45, 54, 63, 72}, B = {54, 81, 90} and C = {45, 54, 60}, what is (A ∩ B) ∪ C?
- 1{45, 54, 60, 63, 72}
- 2{45, 54, 60, 63, 72, 81, 90}
- 3{54}
- 4{45, 54, 60}✓
Correct answer
{45, 54, 60}
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