Question

If A={1,2,3}, B={2,3,4},C={3,4}. Then (A∪B)∩C is​

Answer 1

$\huge\underline\mathit\color{red}{Answer}$

A={1,2,3} B={2,3,4} C={3,4}

=> (A∪B) ∩ C

=> {1,2,3,4} ∩ {3,4}

=> {3,4}

Therefore (A∪B)∩C is {3,4}