Chapter-1 sets MCQs
Chapter-1 Sets
Q1. 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)
Q2. (A’)’ =?
(a) ∪ – A
(b) A’
(c) ∪
(d) A
Q3. A – B is
read as?
(a) Difference of A and B of B and A
(b) None of the above
(c) Difference of B and A
(d) Both a and b
Q4. 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) None of these
(d) (A × B) ∩ (A × C)
Q5. 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
Q6. Which of
the following sets are null sets
(a) {x: |x |< -4, x ?N}
(b) 2 and 3
(c) Set of all prime numbers between 15 and 19
(d) {x: x < 5, x > 6}
Q7. 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}
Q8. 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}
Q9. 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
Q10. {(A, B) :
A² +B² = 1} on the sets has the following relation
(a) reflexive
(b) symmetric
(c) none
(d) reflexive and transitive
Q11. 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
Q12. The range
of the function f(x) = 3x – 2‚ is
(a) (- ∞, ∞)
(b) R – {3}
(c) (- ∞, 0)
(d) (0, – ∞)
Q13. 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
Q14. In 2nd
quadrant?
(a) X < 0, Y < 0
(b) X < 0, Y > 0
(c) X > 0, Y > 0
(d) X > 0, Y < 0
Q15. How many
rational and irrational numbers are possible between 0 and 1?
(a) 0
(b) Finite
(c) Infinite
(d) 1
Q16. Empty set
is a?
(a) Finite Set
(b) Invalid Set
(c) None of the above
(d) Infinite Set
Q17. 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) [7, 8, 9]
(d) None of these
Q18. Which of
the following two sets are equal?
(a) A = {1, 2} and B = {1}
(b) A = {1, 2} and B = {1, 2, 3}
(c) A = {1, 2, 3} and B = {2, 1, 3}
(d) A = {1, 2, 4} and B = {1, 2, 3}
Q19. In a
class of 50 students, 10 did not opt for math, 15 did not opt for science and 2
did not opt for either. How many students of the class opted for both math and
science.
(a) 24
(b) 25
(c) 26
(d) 27
Q20. In last
quadrant?
(a) X < 0, Y > 0
(b) X < 0, Y < 0
(c) X > 0, Y < 0
(d) X > 0, Y > 0
Answer key
|
Q’s |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
|
Ans |
d |
d |
a |
a |
a |
b |
b |
b |
b |
b |
|
Q’s |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
|
Ans |
b |
a |
a |
b |
c |
a |
a |
c |
d |
d |
CLASS 11 Maths MCQs QUESTIONS WITH ANSWERS
Chapter-3 Trigonometric Functions
Chapter-4 Principle of Mathematical Induction
Chapter-6 Linear Inequalities
Comments
Post a Comment