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

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Question # 1

The determinant of a matrix and that of its transpose are

Question # 2

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

Question # 3

If each element of a raw of column of a square matrix A is zero, then the value of the determinant. is.

Question # 4

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

Question # 5

The variable that stands alone on the left hand side of the equation such as y = 2x + 1 is known as.

Question # 6

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

Question # 7

A determinant composed of all the first order partial derivatives of a system of equations, arranged in ordered sequence is called.

Question # 8

Given the demand and supply cautions qo = -8p + 2000 and qs = 12 p - 200 respectively the equilibrium price.

Question # 9

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

Question # 10

Unknown values in an equation are called.

Question # 11

The set of all elements belonging to A but not to B is.

Question # 12

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

Question # 13

"Null set is proper subset of all the non nul sets" this statement is.

Question # 14

If a Set C contain all the elements which are present in both the set A and B then set C is called.

Question # 15

The elements in the Horizontal line in a matrix is called.

Question # 16

In Vann diagram the universal set is represented by

Question # 17

A set continuing no elements is called.

Question # 18

A determinant compose of all the second order partial derivatives, with the second order direct partials on the principal diagonal and the second order cross partials off the principal diagonal and which is used to second order condition of optimization is called.

Question # 19

If all the elements of a matrix of any order are zero, it is called.

Question # 20

Ordered Pairs of two sets are called.

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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 if in a matrix , the number if rows is the same as the number of columns, it is called.
A. Singular matrix
B. Non singular matrix
C. Square matrix
D. Column vector
2 If matrix A is matrix of order n x m and B is another matrix of order m x n, then BA will be the matrix of order.
A. n x m
B. m x n
C. n x n
D. m x m
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 all the elements of a matrix of any order are zero, it is called.
A. Identity matrix
B. Null matrix
C. Zero matrix
D. Both b and c
5 The signed minor of the matrass A is called.
A. Adjoin
B. Co factor
C. Minor
D. Rank
6 If A and B are symmetric matrices, then A +B is
A. Symmetric
B. Non symmetric
C. Skew symmetric
D. Non skew symmetric
7 A mathematical statement setting two algebraic expressions equal to each other is called.
A. Equations
B. Hypothesis
C. Inequality
D. All of above
8 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 universals set
D. Universal set itself
9 The set of 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
10 Unknown values in an equation are called.
A. Constants
B. Numeraire
C. Variables
D. All of the above

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