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

Try The 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

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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

The objects constituting a set are called

Question # 8

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

Question # 9

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

Question # 10

A set continuing no elements is called.

Question # 11

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 # 12

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

Question # 13

A positive definite Hessian fulfills the second order conditions for

Question # 14

A diagonal matrix whose diagonal elements are equal is called.

Question # 15

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 # 16

Unknown values in an equation are called.

Question # 17

Th transpose of the cofactor matrix is called.

Question # 18

A mathematical statement setting two algebraic expressions equal to each other is called.

Question # 19

If B is a subset of A, then AUB =

Question # 20

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

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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 positive definite Hessian fulfills the second order conditions for
A. Maximum
B. Minimum
C. Both maximum and minimum
D. Mini max
2 The objects constituting a set are called
A. Estimates
B. Elements
C. Set object
D. Noe of these
3 For any square matrix a of order 'n'a (Ad)A) is equal to.
A. (Ad) A) A
B. Determinant A
C. Rank of A
D. Both a and b
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.
A. Symmetric matrix
B. Transpose of a matrix
C. Singular matrix
D. Rank of matrix
5 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
6 A inverse is defined only if A is a
A. Square matrix
B. Column vector
C. Orthogonal matrix
D. Skew symmetric matrix
7 Th transpose of the cofactor matrix is called.
A. Adjoin of the matrix
B. Power of a matrix
C. Minor of the matrix
D. Rank of a matrix
8 The point at which the graph cuts the x axis is called.
A. x- intercept
B. y - intercept
C. slope
D. None of these
9 A square matrix a such that A2 = a is called.
A. Orthogonal matrix
B. Skew symmetric matrix
C. Idempotent matrix
D. Singular matrix
10 If the determinant formed by the elements of the matrix A is equal to zero, then the matrix is.
A. Skew symmetric
B. Singular
C. Symmetric
D. Non singular

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