Answer:
P < 6 = 1, 2, 3, 4 ,5
Q > even nos. 3 but less than 9 = 4, 6, 8
R, factors of 6= 1, 3,2,6
P∩ Q = 4
(P∩ Q)∪R = 1, 2, 3, 4,6
