Mathematics
Equal sets and Subsets
Practice questions
If A = {1, 2, 3} and B = {1, 2, 2, 3, 3, 3}, which statement is correct?If A = {x : x ∈ N and x ≤ 5} and B = {x : x ∈ N and x < 5}, which relation is correct?If A = {x : x is a positive even divisor of 12} and B = {2, 4, 6, 12}, choose the correct statement.If A = {1, 2, 3, 4, 5} and B = {2, 4}, which reason makes B a subset of A?If A = {1, 2, 3}, which statement is certainly true?If A = {x : x is a real solution of x² = 4} and B = {-2, 2}, which statement is correct?If A = {x : x ∈ N and x is a divisor of 15} and B = {1, 3, 5}, which relation is correct?If A = {0, 2, 4, 6} and B = {x : x = 2n, n ∈ W, n < 4}, which statement is correct?If A = {∅, 1}, which of the following is a subset of A?If A = {1, 2, 3} and B = {2, 3, 1}, which reason correctly proves that A and B are equal?If A = {x : x is an odd natural number less than 9} and B = {1, 3, 5, 7}, which option is correct?If A = {2, 3, 5, 7}, which of the following is not a proper subset of A?If A = {1, 2, 3, 4, 5}, how many subsets of A contain both 2 and 5?If A = {1, 2, 3, 4}, how many subsets of A contain 1 but do not contain 4?If A = {x : x ∈ Z and x² = 1} and B = {-1, 1}, which statement is true?If A = {1, 2, 3}, B = {1, 2, 3, 4}, and C = {2, 3}, which statement is true?If A = {x : x is a positive multiple of 5 less than 20} and B = {5, 10, 15}, which relation is correct?If A = {1, 2, {1}}, which statement is true?If A = {{1, 2}, 3}, which of the following is a subset of A?If A = {x ∈ N : x is prime and x < 10} and B = {2, 3, 5}, choose the correct statement.