# Mathematics for Economic Analysis Solved MCQs

1.

## The objects constituting a set are called

A. estimates
B. elements
C. set objects
D. none of these
Answer» B. elements
2.

## Who is regarded as the founder of theory of sets?

A. adam smith
B. karl frederich gauss
C. george cantor
D. euller
Answer» C. george cantor
3.

A. union
B. derivative
C. set
D. integral
Answer» C. set
4.

## “No two elements of a set are identical”. This statement is

A. always true
B. sometimes true
C. not true
D. all of the above is possible
Answer» A. always true
5.

## A set containing no element is called

A. null set
B. empty set
C. void set
D. all the above
Answer» D. all the above
6.

## A set containing only one element is termed as

A. unit set
B. singleton set
C. both (a) and (b)
D. none of these
Answer» C. both (a) and (b)
7.

## A set of totality of elements from all possible sets is called

A. union set
B. intersection set
C. universal set
D. unit set
Answer» C. universal set
8.

## If two sets contain the same distinct elements, then they are called

A. equal sets
B. unequal sets
C. equivalent sets
D. all the above
Answer» A. equal sets
9.

## If two sets contain same number of distinct elements but not the same elements are called

A. equal sets
B. unequal sets
C. equivalent sets
D. all the above
Answer» C. equivalent sets
10.

## Sets and set operations can be represented by drawing diagrams termed as

A. pie diagrams
B. venn diagrams
C. histogram
D. ogives
Answer» B. venn diagrams
11.

## If every element of a set B is also an element of A, then

A. a is a subset of b
B. b is a subset of a
C. a is not a subset of b
D. b is not a subset of a
Answer» B. b is a subset of a
12.

## In Venn diagram, the universal set is represented by

A. points within a rectangle
B. points within a circle
C. both (a) and (b)
D. none of these
Answer» A. points within a rectangle
13.

## “Null set is a proper subset of all the non-null sets”. This statement is

A. always true
B. sometimes true
C. never true
D. true subject to some conditions
Answer» A. always true
14.

## Union of A with A, that is, A U A =

A. complement of a
B. a itself
C. cannot be determined
D. none of these
Answer» B. a itself
15.

## Union of A and the universal set is

A. a
B. a’
C. universal set
D. none of these
Answer» C. universal set
16.

## Union of A and a null set is equal to

A. intersection of a and null set
B. null set
C. both (a) and (b)
D. a
Answer» D. a
17.

## Union of A with B is same as union of B with A, that is, A U B = B U A is termed as

A. associative law of union
B. cumulative law of union
C. reflective law
D. all the above
Answer» B. cumulative law of union
18.

## The associative law of union is

A. a u (b u c) = (a u b) u c = a u b u c
B. a u b = b u a
C. a u b = a u c
D. b u c = b u a
Answer» A. a u (b u c) = (a u b) u c = a u b u c
19.

## If B is a subset of A, then A U B =

A. b
B. a
C. intersection of a and b
D. none of these
Answer» B. a
20.

## If a set C contain all the elements which are present in both the sets A and B, then set C is called

A. union of a and b
B. intersection of a and b
C. complement of a
D. complement of b
Answer» B. intersection of a and b
21.

## If two sets do not have any common element, then they are called

A. complement sets
B. joint sets
C. disjoint sets
D. none of these
Answer» C. disjoint sets
22.

## A set containing all the elements of the universal set except those of set A is called

A. complement of set a
B. complement of universal set
C. union of a and universal set
D. universal set itself
Answer» A. complement of set a
23.

A. b – a
B. a – b
C. a’
D. b’
Answer» B. a – b
24.

## The set of all subsets of a set A is called

A. power set of a
B. complement of a
C. both (a) and (b)
D. none of these
Answer» A. power set of a
25.

## Any number raise to the power zero is always equal to

A. zero
B. one
C. two
D. that number itself
Answer» B. one
Tags
Question and answers in Mathematics for Economic Analysis, Mathematics for Economic Analysis multiple choice questions and answers, Mathematics for Economic Analysis Important MCQs, Solved MCQs for Mathematics for Economic Analysis, Mathematics for Economic Analysis MCQs with answers PDF download

## We need your help!

We're developing a website for study materials for students.
We would love to hear your answers to some of the questions.

Take Survey