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

Try The 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

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

Question # 2

The slope of a horizontal line is.

Question # 3

The sufficient condition required for the matrix to posses inverse is that the matrix should be.

Question # 4

In a matrix , if there is only one row but any number of columns, it is called.

Question # 5

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

Question # 6

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.

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

A square matrix A, such that A = A ' is called a

Question # 9

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 # 10

If A is a square matrix of order ' n' and lis the unit matrix of the same order then A 1 is equal to.

Question # 11

Which method is used for finding inverse of a matrix.

Question # 12

In Vann diagram the universal set is represented by

Question # 13

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.

Question # 14

The function y = 2x + 1 and x = 1/2 y - 1/2 are said to be.

Question # 15

If a consumer's budget constraint is given as P, X,+ Py Y = B thent he absolute slope of the budget line is.

Question # 16

A positive definite Hessian fulfills the second order conditions for

Question # 17

The objects constituting a set are called

Question # 18

A polynomial equation with degree two a called.

Question # 19

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

Question # 20

Collection of well defined distinct objects thought of as a whole is 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 A = A , then A is
A. Symmetric matrix
B. Skew symmetric matrix
C. Identity matrix
D. Orthogonal matrix
2 Union of A with B is same as union of B with A, that is AUB = BUA is termed as
A. Associative law of union
B. Cumulative law of union
C. Reflective law
D. All the above
3 A set continuing no elements is called.
A. Null set
B. mpty set
C. void set
D. all of the above
4 A variable which is free to take any value we choose to assign to it is called.
A. Dependent variable
B. Independent variable
C. Endogenous variable
D. Explained variable
5 if we are told that the two statements y = 3x2 and y = x + 10' are bout true at the same time , they are called.
A. Implicit functions
B. explicit functions
C. Simultaneous equations
D. Quadratic equations
6 If each element of a raw or column is a sum of two elements, the determinant can be expressed as the
A. Sun of two determinants
B. Difference of two determinants
C. Multiplication of two determinants
D. Division of two determinants
7 A polynomial equation with degree two a called.
A. Linear equation
B. Quadratic equation
C. Parabola equation
D. All of the above
8 If the determinant formed by the elements of the matrix A is equal to zero, then the matrix is.
A. Skew symmetric
B. Singular
C. Symmetric
D. Non singular
9 The set of 'stars in the sky' is an example of
A. Countable set
B. Infinite set
C. Finite set
D. unit set
10 If A and B are symmetric matrices, then A +B is
A. Symmetric
B. Non symmetric
C. Skew symmetric
D. Non skew symmetric

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