If A = {a, b, c, d, e}, B = {a, c, e, g} and C = {b, e, f, g}, find:

(i) A ∩ (B – C)

(ii) A – (B ∪ C)

(iii) A – (B ∩ C)

If A = {2x : x ϵ N}, 1 ≤ x < 4}, B = {x + 2) : x ϵ N and 2 ≤ x < 5} and C = {x : x ϵ N and 4 < x < 8}, find:

(i) A ∩ B

(ii) A ∪ B

(iii) (A ∪ B) ∩ C

If A = {2, 4, 6, 8, 10, 12}, B = {3, 4, 5, 6, 7, 8, 10}, find:

(i) (A – B)

(ii) (B – A)

(iii) (A – B) ∪ (B – A)

If R is the set of all real numbers and Q is the set of all rational numbers then what is the set (R – Q)?