Question

3. If P= { 1, 2, 5, 7, 9 } Q={ 2, 3, 5, 9, 11 } R= { 3, 4, 5, 7, 9 } and S={2, 3, 4, 5, 8 } then
find (P∩Q)∩S and (Q∩S)∩R

Answer 1

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