No 3,4,dan5 tolong ya

3) A⋂B = {1,5}
4) n(P⋃Q) = n(P) + n(Q) - n(P⋂Q) = 12+4-13 = 3
5) B⋂C = {b, d}
A⋃(B⋂C) = {a, b, c, d}