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

00:00
Question # 1

If B is a subset of A ,then A is a

Question # 2

A positive definite Hessian fulfills the second order conditions for

Question # 3

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

Question # 4

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 # 5

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

Question # 6

A set containing only one element is termed as

Question # 7

The set of 'stars in the sky' is an example of

Question # 8

if in a matrix , the number if rows is the same as the number of columns, it is called.

Question # 9

if A = A , then A is

Question # 10

A possible use in economies for the circle of the ellipse is to model.

Question # 11

If each element of a raw or column is a sum of two elements, the determinant can be expressed as the

Question # 12

The associative law of union is

Question # 13

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

Question # 14

The equilibrium price and quantity , given the inverse demand and supply functions.
po = 3q +30 and p s = 2q -5

Question # 15

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.

Question # 16

If A and B are symmetric matrices, then A +B is

Question # 17

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

Question # 18

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

Question # 19

Union of A and a null set is equal 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 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 Union of A with A, that is A U A.
A. Complement of A
B. A itself
C. Con not be determined
D. None of these
3 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
4 A square matrix with 1's in its principal diagonal and zeros every where else is.
A. Diagonal matrix
B. Identity matrix
C. Leading diagonal
D. Scalar matrix
5 If the determinant formed by the elements of the matrix is not equal to zero, then the matrix is called.
A. Skew symmetric
B. Symmetric
C. Singular
D. Non -singular
6 A inverse is defined only if A is a
A. Square matrix
B. Column vector
C. Orthogonal matrix
D. Skew symmetric matrix
7 The objects constituting a set are called
A. Estimates
B. Elements
C. Set object
D. Noe of these
8 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.
A. Jacobian determinant
B. Hessian determinant
C. Discriminant
D. None of these
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.
A. n x m
B. m x n
C. n x n
D. m x m
10 Who is regarded as the founder of theory of sets.
A. Adam Smith
B. Karl Frederich Gauss
C. George cantor
D. Euller

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