Q.4 In the following, state whether A = B or not:
(i) A = { a, b, c, d } B = { d, c, b, a }
Given
A = {a,b,c,d}
B = {d,c,b,a}
Comparing the elements of set A and set B, we conclude that all the elements of A and all the elements of B are equal.
Hence, A = B.