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

(A+B) + C =a +(B+C) This law of matrices is known as.

Question # 2

The increase in dependent variable that results when the independent variable increases by one unit in a simple lines. function is called.

Question # 3

Given or known values in an equation are called.

Question # 4

The simplest form of rectangular hyperbola is

Question # 5

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

Question # 6

In Vann diagram the universal set is represented by

Question # 7

A square matrix a such that A2 = a is called.

Question # 8

Collection of well defined distinct objects thought of as a whole is called

Question # 9

if two sets do not have any common element, then they are called.

Question # 10

The determinant of a matrix and that of its transpose are

Question # 11

A variable which is free to take any value we choose to assign to it is called.

Question # 12

The set of subsets of a set A is called.

Question # 13

If the columns of a given matrix A and B are changed into rows and vice versa, the matrix thus obtained is called the.

Question # 14

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

Question # 15

A possible use in economies for the circle of the ellipse is to model.

Question # 16

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

Question # 17

Union of A with B is same as union of B with A, that is AUB = BUA is termed as

Question # 18

if we are told that the two statements y = 3x2 and y = x + 10' are bout true at the same time , they are called.

Question # 19

Th transpose of the cofactor matrix is called.

Question # 20

Given the demand function qo = -8p +2000 and tis inverse p = -1/8 qo + 250 ,p in the inverse function which is interpreted as the maximum price that buyers are willing to pay for the.

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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 An equation in which all variables are raised to the first power is known as.
A. Linear equation
B. Non linear equation
C. Quadratic equation
D. Polynomial of degree two
2 If every elements of a raw or column of a square matrix A is zero, then the value of the determinant .
A. Equal
B. Zero
C. One
D. Negative related
3 A square matrix a such that A2 = a is called.
A. Orthogonal matrix
B. Skew symmetric matrix
C. Idempotent matrix
D. Singular matrix
4 If the columns of a given matrix A and B are changed into rows and vice versa, the matrix thus obtained is called the.
A. Symmetric matrix
B. Transpose of a matrix
C. Singular matrix
D. Rank of matrix
5 If A is a square matrix of order ' n' and lis the unit matrix of the same order then A 1 is equal to.
A. A
B. 1A
C. 1
D. Both a and b
6 If B is a subset of A, then AUB =
A. B
B. Intersection of A and B
C. A
D. None of these
7 Given or known values in an equation are called.
A. Constants
B. Parameters
C. Coefficients
D. All of the above
8 A square matrix A, such that A = A ' is called a
A. Symmetric matrix
B. Skew symmetric matrix
C. Singular matrix
D. Rank of a matrix
9 If A and B are symmetric matrix, then AB- BA is.
A. Symmetric
B. Skew symmetric matrix
C. Idempotent matrix
D. Orthogonal matrix
10 any number raise to the power zero is always equal to.
A. zero
B. one
C. two
D. The number itself

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