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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

A linear function of the form 6x2 - 2y + 8 = 0 is known as.

Question # 9

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 # 10

The determinant of quadratic form is called.

Question # 11

Union of A with A, that is A U A.

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

if A = A , then A is

Question # 16

(A+B) = (B+A) this law of matrices is known as.

Question # 17

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 # 18

A negative definite Hessian fulfills the second order conditions for.

Question # 19

If the determinant formed by the elements of the matrix A is equal to zero, then the matrix is.

Question # 20

A determinant composed of all the first order partial derivatives of a system of equations, arranged in ordered sequence 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 Which method is used for finding inverse of a matrix.
A. Gauss elimination method
B. Henrich standard method
C. Co factor method
D. Both a and c
2 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
3 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
4 A set totality of elements from all possible sets is called.
A. Union set
B. Intersection set
C. Universal set
D. Unit set
5 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
6 if A = A , then A is
A. Symmetric matrix
B. Skew symmetric matrix
C. Identity matrix
D. Orthogonal matrix
7 The value of the dependent variable where the graph cuts the y-axis is called.
A. X - intercept
B. Y- intercept
C. Slope
D. None of these
8 A set containing only one element is termed as
A. Unit set
B. Singleton set
C. Both a and b
D. None of these
9 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
10 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

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