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

Relation between two numbers or variables are called.

Question # 2

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

Question # 3

A positive definite Hessian fulfills the second order conditions for

Question # 4

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

Question # 5

Ordered Pairs of two sets are called.

Question # 6

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

Question # 7

Which method is used for finding inverse of a matrix.

Question # 8

If every element of a set B is also an elements of A then

Question # 9

The determinant of a matrix and that of its transpose are

Question # 10

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 # 11

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

Question # 12

The simplest form of rectangular hyperbola is

Question # 13

A set totality of elements from all possible sets is called.

Question # 14

The value of the dependent variable where the graph cuts the y-axis is called.

Question # 15

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

Question # 16

Matrix multiplication does not satisfy

Question # 17

The associative law of union is

Question # 18

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

Question # 19

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

Question # 20

If each element of a raw or column is a sum of two elements, the determinant can be expressed as 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 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
2 AB = BA = 1 , then B is said to
A. Ad joint of matrix of A
B. Inverse matrix of A
C. Determinant of A
D. Cofactor of a
3 The determinant of a matrix and that of its transpose are
A. Equal
B. Zero
C. One
D. Negatively related
4 The set of all elements belonging to A but not to B is.
A. B - A
B. A - B
C. A'
D. B'
5 For any square matrix A of order 'n' a +A is.
A. Skew symmetric
B. Non skew symmetric
C. Symmetric
D. Non symmetric
6 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
7 The determinant of quadratic form is called.
A. Jacobian determinant
B. Hessian determinant
C. Discriminant
D. None of these
8 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
9 Collection of well defined distinct objects thought of as a whole is called
A. Union
B. Derivative
C. Set
D. Integral
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.
A. A
B. 1A
C. 1
D. Both a and b

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