Set, Functions and Groups MCQ's 1
MCQ's with answers from chapter 2 Set, Functions and Groups Mathematics book 1 for FSC pre engineering and pre medical for Board of Intermediate and Secondary education. Also For Entry Test Preparation for UET, NUST, PIEAS, GIKI, AIR, FAST, WAH University and other engineering Universities.
2) Let A = {a, b, c, d} B = {b, c, d} then A Ç B =
A) {b, c, d}
B) {a, b, c}
C) {a, b, c, d}
D) {a, c, d}
Answer: A
6) Which of the following sets has only one subset.
A) {Y, Z}
B) {Y}
C) {0}
D) { }
Answer: D
9) Total number of subsets that can be formed from the set {x, y, z} is
A) 1
B) 2
C) 5
D) 8
Answer: D
13) If S contains n elements then power set of S, P (s) contains elements. Which are?
A) 2n
B) 4n
C) 5n
D) 6n
Answer: A
14) A set is a collection of objects which are
A) well defined
B) well defined and distinct
C) identical
D) not defined
Answer: B
15) The power set of a set S containing six numbers is the set whose elements are
A) three subsets of S
B) two subsets of S
C) five subsets of S
D) all possible subsets of S
Answer: D
25) The set of odd numbers between 1 and 9 is
A) {1, 3, 5, 7}
B) {3, 5, 7, 9}
C) {1, 3, 5, 7, 9}
D) {3, 5, 7}
Answer: D
26) The set of rational numbers between 5 and 9 is
A) Finite
B) Infinite
C) {5, 6, 7, 8, 9}
D) {6, 7, 8}
Answer: B
27) If x is a set having 6 elements then the numbers in P(x) is:
A) 62
B) 6
C) 6(2)
D) 26
Answer: D
37) Well defined collection of distinct objects is called a __________
A) a function
B) a set
C) a real number
D) none
Answer: B
38) A diagram which represents a set is called _______ diagram.
A) Venn’s
B) Argand
C) Plane
D) None
Answer: A
39) If a set A is the subset of B & A ≠ B, then A _______ of B.
A) Proper subset
B) Improper subset
C) None D) None
Answer: A
40) Every set is the ________ of itself.
A) proper subset
B) improper subset
C) super set
D) none
Answer: B
41) The set of real Nos. (points) belonging to interval
(a, b) is __________
A) finite set
B) empty set
C) singleton set
D) infinite set
Answer: D
42) The power set of an empty set is _________
A) null set
B) singleton set
C) super set
D) none
Answer: B
44) Two set A & B are called overlapping if A∩B = ________
A)
B)
C)
D) None
Answer: D
45) Which one is always true.
A)
B)
C)
D) none
Answer: B
46) Every recurring non terminating decimal represents
A) Q
B) Q/
C) R
D) none
Answer: A
47) If X & Y are two sets & n (X) = 18, n (Y) = 24, n(XUY) = 40 then n(X I Y) = ________
A) 3
B) 4
C) 6
D) 2
E) 1
Answer: C
48) A real number is always
A) a natural no
B) positive integer
C) Rational number
D) complex number
Answer: D
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