Question 4

In the following, state whether A = B or not: (i) A = { a, b, c, d } B = { d, c, b, a } (ii) A = { 4, 8, 12, 16 } B = { 8, 4, 16, 18} (iii) A = {2, 4, 6, 8, 10} B = { x : x is positive even integer and x ≤ 10} (iv) A = { x : x is a multiple of 10}, B = { 10, 15, 20, 25, 30, . . . }