Question

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
(i) {pnq} ns (iii) {qns} nr

Answer 1

Answer:

(pnq) is = (2,5,9)

(qns) is = (2,3,5

hope it will help you