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

A square matrix a of order 'n' is called a diagonal matrix if its non diagonal elements are.

Question # 2

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 # 3

AB = BA = 1 , then B is said to

Question # 4

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

Question # 5

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 # 6

A positive definite Hessian fulfills the second order conditions for

Question # 7

a possible use in encomia's for the circle or the ellipse is to model.

Question # 8

If all the elements of a matrix of any order are zero, it is called.

Question # 9

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

Question # 10

A polynomial equation with degree two a called.

Question # 11

Relation between two numbers or variables are called.

Question # 12

Matrix multiplication does not satisfy

Question # 13

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

Question # 14

Ordered Pairs of two sets are called.

Question # 15

A set continuing no elements is called.

Question # 16

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

Question # 17

The set of subsets of a set A is called.

Question # 18

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

Question # 19

The determinant of a matrix and that of its transpose are

Question # 20

a x2 + bx + c = 0

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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 A = A , then A is
A. Symmetric matrix
B. Skew symmetric matrix
C. Identity matrix
D. Orthogonal matrix
2 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
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 The equilibrium price and quantity , given the inverse demand and supply functions.
po = 3q +30 and p s = 2q -5
A. p = 9 and q = 7
B. p = 10 and q = 7
C. p = 9 and q = 8
D. p = 7 and q = 9
5 (A+B) = (B+A) this law of matrices is known as.
A. Cumulative law
B. Associative law
C. Distributive law
D. Identity law
6 Union of A and the universal set is
A. A
B. A'
C. Universal set
D. None of these
7 a possible use in encomia's for the circle or the ellipse is to model.
A. Production possibility curve
B. Demand cuve
C. Isocost liine
D. Supply curve
8 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
9 Ordered Pairs of two sets are called.
A. Elements
B. Function
C. Cartesian product
D. None of the above
10 If B is a subset of A, then AUB =
A. B
B. Intersection of A and B
C. A
D. None of these

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