PPSC Economics Topic 13 MCQS Test Preparation

If you have completed your higher education in the economy subject and now are looking to start your professional career through PPSC then you are at the right place now. The team of Ilmkidunya offers you online MCQs tests of economics subject. Candidates can find Topic -wise tests and full book tests. For every single Topic  or category, separate sections are designed. Here on this page candidates can find the MCQS PPSC test for Topic  13.

MCQ's Test For PPSC Economics Topic 13 Mathematics in Economics

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PPSC Economics Topic 13 Mathematics in Economics

00:00
Question # 1

If matrix A is of m x n dimension, then A will be

Question # 2

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

Question # 3

Relation between two numbers or variables are called.

Question # 4

The matrix A multiplies by its inverse will b e a.

Question # 5

A mathematical statement setting two algebraic expressions equal to each other is called.

Question # 6

An equation in which all variables are raised to the first power is known as.

Question # 7

Which method is used for finding inverse of a matrix.

Question # 8

If A and B are symmetric matrix, then AB- BA is.

Question # 9

any number raise to the power zero is always equal to.

Question # 10

For any square matrix A of order 'n' a +A is.

Question # 11

a possible use in encomia's for the circle or the ellipse is to model.

Question # 12

Union of A and a null set is equal is.

Question # 13

Matrix multiplication does not satisfy

Question # 14

The objects constituting a set are called

Question # 15

The set which contains all the element of the two given sets A and B, avoiding duplication, is called.

Question # 16

A matrix with all elements zero other than all the diagonals is called.

Question # 17

A diagonal matrix whose diagonal elements are equal is called.

Question # 18

A function where a variable x can only very in jumps, is often called.

Question # 19

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

Question # 20

A set containing only one element is termed as

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Economics
13th Chapter

PPSC Economics Chapter 13 Test

Here you can prepare PPSC Economics Chapter 13 (Mathematics For Economics) Test. Click the button for 100% free full practice test.

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PPSC Economics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The matrix A multiplies by its inverse will b e a.
A. Identity matrix
B. Skew symmetric matrix
C. Idempotent matrix
D. Adjoin of a matrix
2 A set containing only one element is termed as
A. Unit set
B. Singleton set
C. Both a and b
D. None of these
3 A matrix with all elements zero other than all the diagonals is called.
A. Diagonal matrix
B. Orthogonal matrix
C. Unit matrix
D. Column vector
4 The set of 'stars in the sky' is an example of
A. Countable set
B. Infinite set
C. Finite set
D. unit set
5 If a Set C contain all the elements which are present in both the set 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
6 The sufficient condition required for the matrix to posses inverse is that the matrix should be.
A. square matrix
B. Singular matrix
C. Non singular matrix
D. Orthogonal matrix
7 For any square matrix a of order 'n'a (Ad)A) is equal to.
A. (Ad) A) A
B. Determinant A
C. Rank of A
D. Both a and b
8 If the determinant formed by the elements of the matrix is not equal to zero, then the matrix is called.
A. Skew symmetric
B. Symmetric
C. Singular
D. Non -singular
9 The determinant of a matrix and that of its transpose are
A. Equal
B. Zero
C. One
D. Negatively related
10 The associative law of union is
A. AU (BUC= (AUB)
B. U C
C. AUB = BUA
D. BUC = BUA

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