Froggy Jumps Set Operations Quick QuizVersion en ligne Test basics of sets and operations. par Sandy Ashraf 1 Which operation combines all elements from A and B without duplicates? a Intersection b Difference c Union 2 If A={1,2} and B={2,3}, what is A∩B? a {1,2,3} b {1,3} c {2} 3 What is A\B (A minus B) when A={1,2,3} and B={2}? a {1,3} b {2} c {1,2,3} 4 What is the empty set’s symbol? a 0 b {} c ∅ 5 if A={5,2,4} and B={2,4,5} then a A=B b A⊂B c A∈B
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