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

If the determinant formed by the elements of the matrix is not equal to zero, then the matrix is called.

Question # 2

If two sets contains the same number of distinct elements but not the same elements are called.

Question # 3

"No two elements of a set are identical" this statements is.

Question # 4

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 # 5

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

Question # 6

The determinant of quadratic form is called.

Question # 7

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 # 8

A set containing only one element is termed as

Question # 9

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

Question # 10

For any square matrix a of order 'n'a (Ad)A) is equal to.

Question # 11

Union of A and a null set is equal is.

Question # 12

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

Question # 13

The simplest form of rectangular hyperbola is

Question # 14

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

Question # 15

Which method is used for finding inverse of a matrix.

Question # 16

Relation between two numbers or variables are called.

Question # 17

The signed minor of the matrass A is called.

Question # 18

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

Question # 19

Unknown values in an equation are called.

Question # 20

A polynomial equation with degree two a 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 A square matrix a of order 'n' is called a diagonal matrix if its non diagonal elements are.
A. zero
B. Non zero
C. One
D. None of the above
2 (A+B) = (B+A) this law of matrices is known as.
A. Cumulative law
B. Associative law
C. Distributive law
D. Identity law
3 If any equation involving two variables, such as y -=2x + 1, the variable that appears on the right hand side of the equation is by convention called.
A. Dependent variable
B. independent variable
C. Endogenous variable
D. Explained variable
4 Union of A and a null set is equal is.
A. Intersection of A and null set
B. Null set
C. Both a and b
D. A
5 A determinant composed of all the first order partial derivatives of a system of equations, arranged in ordered sequence is called.
A. Hassian determinatn
B. Jacobian determiant
C. Discrimianant
D. First order determinant
6 The determinant of quadratic form is called.
A. Jacobian determinant
B. Hessian determinant
C. Discriminant
D. None of these
7 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
8 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
9 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
10 If every element of a raw of column of a square matrix A is zero, then the value of the determinant. is.
A. Equal
B. One
C. zero
D. Not equal

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