Question

IfP={1,2,5,7,9},Q={2,3,5,9,11},R={3,4,5,7,9}andS={2,3,4,5,8}thenfind(Q ∩S)∩R.

Answer 1

Answer:

(Q ∩S)∩R={2,3,5}∩{3,4,5,7,9}

              ={3,5}

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