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Free download in PDF Class 11 Maths Chapter 1 Sets Multiple Choice Questions and Answers for Board, JEE, NEET, AIIMS, JIPMER, IIT-JEE, AIEE and other competitive exams. MCQ Questions for Class 11 Maths with Answers were prepared based on the latest exam pattern. These short solved questions or quizzes are provided by Gkseries. This chapter has simple questions related to the basic operations involving sets./p>
(1)
Two finite sets have m and n elements respectively. The total number of subsets of first set is 56 more than the total number of subsets of the second set. The values of m and n respectively are.
[A]
6,7
[B]
6,3
[C]
3,6
[D]
7,6
(2)
For all sets A and B, A – (A ∪ B) is equals to?
[A]
A ∩ B
[B]
A ∪ Β′
[C]
A - B
[D]
None of the above
(3)
If X and Y are two sets and X′ denotes the complement of X, then X ∩ (X ∪ Y)′ is equal to
[A]
X
[B]
Y
[C]
φ
[D]
X ∩ Y
(4)
State which of the following statements are true and which are false. Justify your answer.
[A]
35 ∈ {x | x has exactly four positive factors}.
[B]
128 e {y | the sum of all the positive factorsofy is 2y}
[C]
3∉{x|x4-5x3 + 2jc2-112x + 6 = 0}
[D]
496 ∉{y | the sum of all the positive factors of y is 2y}.
Answer: 35 ∈ {x | x has exactly four positive factors}.
(5)
A’ will contain how many elements from the original set A
[A]
All elements in A
[B]
1
[C]
0
[D]
Infinite
(6)
In lst quadrant ?
[A]
X > 0, Y < 0
[B]
X < 0, Y > 0
[C]
X > 0, Y > 0
[D]
X < 0, Y < 0
(7)
If A is not equal to B, then the Cartesian product ?
[A]
A x B not equal B x A
[B]
is not possible
[C]
A x B = B >< A
[D]
None of the above
Answer: A x B not equal B x A
(8)
A set has n elements, then the, number of elements in its power set is ?
[A]
None of the above
[B]
2°
[C]
2n
[D]
2n-1
(9)
If R = {(1,1),(2,3),(4,5)}, then domain of the function is ?
[A]
Dom R = {2,3,4,5}
[B]
Dom R {1,1,4,5}
[C]
Dom R = {I,2,4}
[D]
Dom R {1,3,5}
(10)
If A = {0,2) and B = {1,3), then Cartesian product ?
[A]
AxB = BxA
[B]
AxB not equal BxA
[C]
is not possible
[D]
None of the above
Answer: AxB not equal BxA
(11)
In 2nd quadrant ?
[A]
X < 0,Y < 0
[B]
X > 0, Y > 0
[C]
X < 0, Y > 0
[D]
X > 0, Y < 0
(12)
A—B is read as ?
[A]
Difference of A and B of B and A
[B]
Both a and b
[C]
None of the above
[D]
Difference of B and A
Answer: Difference of A and B of B and A
(13)
If A has m elements and B has n elements, then A x B has elements ?
[A]
m - n
[B]
m + n
[C]
2n
[D]
m x n
(14)
The intersection of sets A and B is expressed as ?
[A]
AxB
[B]
A/B
[C]
A-B
[D]
AnB
(15)
A C B is read as ?
[A]
A is less than B
[B]
A is a subset of B
[C]
A is a proper subset of B
[D]
B is a subset of A
Answer: A is a proper subset of B
(16)
If A =[5,6,7] and B=[7,8,9]then A U B is equal to:
[A]
[5,6,7,8,9]
[B]
[5,6,7]
[C]
None of these
[D]
[7,8,9]
(17)
The union of sets A and B is expressed as ?
[A]
A/B
[B]
A-B
[C]
AUB
[D]
AxB
(18)
How many rational and irrational numbers are possible between 0 and 1 ?
[A]
1
[B]
0
[C]
Finite
[D]
Infinite
(19)
Every set is a ___________ of itself
[A]
Proper subset
[B]
Improper subset
[C]
Compliment
[D]
None of the above
(20)
A — B will contain elements in ?
[A]
A not in B
[B]
B not in A
[C]
Neither A nor B
[D]
Both A and B
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