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

Union of A and the universal set is

Question # 2

Ordered Pairs of two sets are called.

Question # 3

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

Question # 4

The objects constituting a set are called

Question # 5

The associative law of union is

Question # 6

Given the demand and supply cautions qo = -8p + 2000 and qs = 12 p - 200 respectively the equilibrium price.

Question # 7

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

Question # 8

Th transpose of the cofactor matrix 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

AB = BA = 1 , then B is said to

Question # 11

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

Question # 12

A matrix with all elements zero other than all the diagonals is called.

Question # 13

The variable that stands alone on the left hand side of the equation such as y = 2x + 1 is known as.

Question # 14

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

Question # 15

Matrix multiplication does not satisfy

Question # 16

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

Question # 17

if A = A , then A is

Question # 18

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

Question # 19

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 # 20

The determinant of quadratic form 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+B) = (B+A) this law of matrices is known as.
A. Cumulative law
B. Associative law
C. Distributive law
D. Identity law
2 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
3 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
4 If two sets contains the same number of distinct elements but not the same elements are called.
A. Pie diagram
B. Venn diagrams
C. Histogram
D. Ogives
5 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
6 A square matrix a such that A2 = a is called.
A. Orthogonal matrix
B. Skew symmetric matrix
C. Idempotent matrix
D. Singular matrix
7 In a matrix , if there is only one row but any number of columns, it is called.
A. Row matrix
B. Column matrix
C. Raw vector
D. Both a and c
8 If each element of a raw or column is a sum of two elements, the determinant can be expressed as the
A. Sun of two determinants
B. Difference of two determinants
C. Multiplication of two determinants
D. Division of two determinants
9 The variable that stands alone on the left hand side of the equation such as y = 2x + 1 is known as.
A. Dependent variable
B. Independent variable
C. Endogenous variable
D. Explained variable
10 A inverse is defined only if A is a
A. Square matrix
B. Column vector
C. Orthogonal matrix
D. Skew symmetric matrix

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