Sets MCQs with answers

Dear candidates you will find MCQ questions of 11th Class - Math | Chapter: Sets here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
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C

Chandan Das • 6.78K Points
Tutor III

Q. If A, B and C are any three sets, then A – (B ∪ C) is equal to

(A) (A – B) ∪ (A – C)
(B) (A – B) ∪ C
(C) (A – B) ∩ C
(D) (A – B) ∩ (A – C)
Correct Answer - Option (D)

C

Chandan Das • 6.78K Points
Tutor III

Q. A – B is read as?

(A) Difference of A and B of B and A
(B) Difference of B and A
(C) Both a and b
(D) None of the above
Correct Answer - Option (A)

C

Chandan Das • 6.78K Points
Tutor III

Q. If A, B and C are any three sets, then A × (B ∪ C) is equal to

(A) (A × B) ∪ (A × C)
(B) (A ∪ B) × (A ∪ C)
(C) (A × B) ∩ (A × C)
(D) None of these
Correct Answer - Option (A)

C

Chandan Das • 6.78K Points
Tutor III

Q. IF A = [5, 6, 7] and B = [7, 8, 9] then A ∪ B is equal to

(A) [5, 6, 7, 8, 9]
(B) [5, 6, 7]
(C) [7, 8, 9]
(D) None of these
Correct Answer - Option (A)

C

Chandan Das • 6.78K Points
Tutor III

Q. Which of the following sets are null sets

(A) {x: |x |< -4, x ?N}
(B) Set of all prime numbers between 15 and 19
(C) {x: x < 5, x > 6}
(D) 2 and 3
Correct Answer - Option (D)

C

Chandan Das • 6.78K Points
Tutor III

Q. If R = {(2, 1),(4, 3),(4, 5)}, then range of the function is?

(A) Range R = {2, 4}
(B) Range R = {1, 3, 5}
(C) Range R = {2, 3, 4, 5}
(D) Range R {1, 1, 4, 5}
Correct Answer - Option (B)

C

Chandan Das • 6.78K Points
Tutor III

Q. The members of the set S = {x | x is the square of an integer and x < 100} is

(A) {0, 2, 4, 5, 9, 58, 49, 56, 99, 12}
(B) {0, 1, 4, 9, 16, 25, 36, 49, 64, 81}
(C) {1, 4, 9, 16, 25, 36, 64, 81, 85, 99}
(D) {0, 1, 4, 9, 16, 25, 36, 49, 64, 121}
Correct Answer - Option (B)

C

Chandan Das • 6.78K Points
Tutor III

Q. In a class of 120 students numbered 1 to 120, all even numbered students opt for Physics, whose numbers are divisible by 5 opt for Chemistry and those whose numbers are divisible by 7 opt for Math. How many opt for none of the three subjects?

(A) 19
(B) 41
(C) 21
(D) 57
Correct Answer - Option (B)

C

Chandan Das • 6.78K Points
Tutor III

Q. { (A, B) : A² +B² = 1} on the sets has the following relation

(A) reflexive
(B) symmetric
(C) reflexive and transitive
(D) none
Correct Answer - Option (B)

C

Chandan Das • 6.78K Points
Tutor III

Q. Two finite sets have N and M elements. The number of elements in the power set of first set is 48 more than the total number of elements in power set of the second test. Then the value of M and N are

(A) 7, 6
(B) 6, 4
(C) 7, 4
(D) 6, 3
Correct Answer - Option (B)

C

Chandan Das • 6.78K Points
Tutor III

Q. The range of the function f(x) = 3x – 2‚ is

(A) (- ∞, ∞)
(B) R – {3}
(C) (- ∞, 0)
(D) (0, – ∞)
Correct Answer - Option (A)

C

Chandan Das • 6.78K Points
Tutor III

Q. If A, B, C be three sets such that A ∪ B = A ∪ C and A ∩ B = A ∩ C, then,

(A) B = C
(B) A = C
(C) A = B = C
(D) A = B
Correct Answer - Option (A)

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