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

Th transpose of the cofactor matrix is called.

Question # 2

Which method is used for finding inverse of a matrix.

Question # 3

For any square matrix A of order 'n' a +A is.

Question # 4

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

Question # 5

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

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 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 # 8

AB = BA = 1 , then B is said to

Question # 9

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

Question # 10

The simplest form of rectangular hyperbola is

Question # 11

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

Question # 12

A positive definite Hessian fulfills the second order conditions for

Question # 13

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

Question # 14

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

Question # 15

If two sets contain the same distinct elements, then they are called.

Question # 16

If B is a subset of A, then AUB =

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

The value of the dependent variable where the graph cuts the y-axis 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 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
2 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
3 The simplest form of rectangular hyperbola is
A. y = 1/x
B. y = x2
C. y = x-2
D. y = x3
4 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
5 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
6 if in a matrix , the number if rows is the same as the number of columns, it is called.
A. Singular matrix
B. Non singular matrix
C. Square matrix
D. Column vector
7 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
8 Matrix multiplication does not satisfy
A. Associative law
B. Distributive law
C. Commutative law
D. None of the above
9 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
10 Given the demand and supply cautions qo = -8p + 2000 and qs = 12 p - 200 respectively the equilibrium price.
A. p = 100
B. p = 110
C. p = 120
D. p = 140

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