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

The slope of a horizontal line is.

Question # 2

Who is regarded as the founder of theory of sets.

Question # 3

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

Question # 4

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

Question # 5

If matrix A is of m x n dimension, then A will be

Question # 6

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

Question # 7

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 # 8

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 # 9

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

Question # 10

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

Question # 11

A square matrix with 1's in its principal diagonal and zeros every where else is.

Question # 12

The set which contains all the element of the two given sets A and B, avoiding duplication, is called.

Question # 13

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 # 14

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

Question # 15

Unknown values in an equation are called.

Question # 16

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

Question # 17

Union of A and a null set is equal is.

Question # 18

The value of the dependent variable where the graph cuts the y-axis is called.

Question # 19

Th transpose of the cofactor matrix is called.

Question # 20

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

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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 set continuing no elements is called.
A. Null set
B. mpty set
C. void set
D. all of the above
2 The associative law of union is
A. AU (BUC= (AUB)
B. U C
C. AUB = BUA
D. BUC = BUA
3 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
4 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
5 Union of A and a null set is equal is.
A. Intersection of A and null set
B. Null set
C. Both a and b
D. A
6 If every element of a raw of column of a square matrix A is zero, then the value of the determinant. is.
A. Equal
B. One
C. zero
D. Not equal
7 If every elements of a raw or column of a square matrix A is zero, then the value of the determinant .
A. Equal
B. Zero
C. One
D. Negative related
8 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
9 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
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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