HomeMath Class 11Sets MCQ test 2 Sets MCQ test 2 set theory Class 11 CBSE - MCQ test 2 Q1. The cardinality of set A= {x: x∈N, x≤10} is ______. 10 1024 20 None of these Q2. Which of the following two sets are equal? A = {1, 2} and B = {1} A = {1, 2} and B = {1, 2, 3} A = {1, 2, 3} and B = {2, 1, 3} A = {1, 2, 4} and B = {1, 2, 3} Q3. The number of elements in the Power set P(S) of the set S = {1, 2, 3} is: 3 5 8 6 Q4. Empty set is a _______ Finite set Infinite set Univershal set None of these Q5. How many elements are there in the complement of set A? 0 1 all elements of A None of these Q6. Write P = {1, 4, 9, 16, 25,…} in set builder form. P = {x: x is a set of prime numbers} P = {x: x is a set of whole numbers} P = {x: x is a set of natural numbers} P = {x: x is a set of square numbers} Q7. If A, B and C are any three sets, then A × (B ∪ C) is equal to: (A × B) ∪ (A × C) (A ∪ B) × (A ∪ C) (A × B) ∩ (A × C) None of the above Q8.The number of elements in the Power set P(S) of the set S = [ [ Φ] , 1, [ 2, 3 ]] is A = {4, x, y} and B = 4 A = {x, y, z} and B = 8 A ={y, z, 5} and B = 2 A = {4, 5} and B = None of these Q9. If A and B are sets and A∪ B= A ∩ B, then ..... A= Φ B= Φ A=B None of these Q10. If A be a finite set of size n, then number of elements in the power set of A x A 2^n n^2 2^n^2 None of these Q11. A - (B ∪ C) is......... (A - B) ∪ (A - C) A - B - C (A - B) ∩ (A - C) A - (B ∩ C)' Q12. Which of the following sets are null sets? {0} Ø { } Both (b) & (c) Q13. Number of subsets of a set of order three is ....... 4 8 9 None of these Q14. The number of elements in the power set of the set {{a, b}, c} is 2 4 6 None of these Q15. If n(A)=3 and n(B)=6 and A⊆B then number of element in A ∩ B 3 6 5 None of these Q16.Two finite sets have m and n elements respectively. The total number of subset of the first set is 56 more than the total no. of subsets of the second set.The values of m and n respectively will be m=3,n=3 m=6,n=3 m=4,n=3 None of these Q17. If N (A) = 115, N (B) = 326, N (A∩B) = 47, Then N (A U B) Is Equal To 370 394 165 None of theset Q18. The smallest set A such that A ∪ {1, 2} = {1, 2, 3, 5, 9} is {2, 3, 5} {3, 5, 9} {1,2, 5, 9} None of these Q19.If A, B and C are three sets, then A - (B - C) equals to A − (B ∩ C) (A − B) ∪ C (A − B) ∪ (A ∩ C) (A - B) ∪ (A -C) Q20. If A,B and C are three sets such that A∩B = A∩C and A∪B = A∪C, then....... A=B A=C B=C None of these Submit Your Answers Newer Older