1 Which property is used in A ∩ (B ∩ C) = (A ∩ B) ∩ C? A Commutative B Associative C Distributive D Identity
2 Which property states that A ∪ (B ∩ C) = (A ∪ B) ∩ (A ∪ C)? A Associative property B Commutative property C Distributive property D Identity property
3 Which property is used in (A ∪ B) ∪ C = A ∪ (B ∪ C)? A Commutative B Associative C Distributive D Identity
4 What is the complement of set A if A = {2, 4} and U = {1, 2, 3, 4, 5}? A {1, 3, 5} B {2, 4} C {1, 2, 3, 4, 5} D ∅
5 If R = {(2, 4), (3, 6), (4, 8)}, what is the domain of R? A {2, 3, 4} B {4, 6, 8} C {2, 4, 6, 8} D {6, 8}
6 What is the range of the relation R = {(1, a), (2, b), (3, c)}? A {1, 2, 3} B {a, b, c} C {1, a, 2, b, 3, c} D {a, b}
9 If A = {1, 3, 5, 7} and B = {1, 2, 3, 4}, what is A - B? A {5, 7} B {2, 4} C {1, 3} D {1, 2, 3, 4, 5, 7}
10 Which of the following is the correct representation of the union of sets in a Venn diagram? A Shaded area covering both circles entirely B Shaded area where circles overlap C Shaded area inside one circle only D No shading
13 If A = {x | x is a prime number less than 10} and B = {x | x is an odd number less than 10}, what is A ∩ B? A {3, 5, 7} B {2, 3, 5, 7} C {1, 3, 5, 7} D {2, 4, 6, 8}
14 What is the identity element for intersection of sets? A Universal set B Empty set C The set itself D No identity
15 If A = {2, 4, 6, 8} and B = {4, 8, 12}, what is A ∪ B? A {2, 4, 6, 8, 12} B {4, 8} C {2, 6, 12} D {2, 4, 6, 8}
16 Which of the following represents the union of two sets? A Elements common to both sets B All elements in either set C Elements in only one set D Elements in neither set
17 If A = {1, 2, 3} and B = {3, 4, 5}, what is A ∪ B? A {1, 2, 3, 4, 5} B {3} C {1, 2, 4, 5} D {1, 2, 3}
18 Which of the following is the identity element for union of sets? A Universal set B Empty set C The set itself D No identity exists
19 What is the domain of R = {(3, 9), (4, 16), (5, 25)}? A {3, 4, 5} B {9, 16, 25} C {3, 9, 4, 16, 5, 25} D {9, 16}
20 Which of the following is a binary relation from A = {1, 2} to B = {3, 4}? A {(1,3), (2,4)} B {(1,1), (2,2)} C {(3,1), (4,2)} D {(1,2,3)}