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

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

Question # 2

if A = A , then A is

Question # 3

Unknown values in an equation are called.

Question # 4

If every element of a raw of column of a square matrix A is zero, then the value of the determinant. 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 linear function of the form 6x2 - 2y + 8 = 0 is known as.

Question # 7

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

Question # 8

Relation between two numbers or variables are called.

Question # 9

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

Question # 10

In Vann diagram the universal set is represented by

Question # 11

a x2 + bx + c = 0

Question # 12

"Null set is proper subset of all the non nul sets" this statement is.

Question # 13

If each element of a raw or column is a sum of two elements, the determinant can be expressed as the

Question # 14

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

Question # 15

If A and B are symmetric matrix, then AB- BA is.

Question # 16

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

Question # 17

The increase in dependent variable that results when the independent variable increases by one unit in a simple lines. function is called.

Question # 18

If a Set C contain all the elements which are present in both the set A and B then set C is called.

Question # 19

If a consumer's budget constraint is given as P, X,+ Py Y = B thent he absolute slope of the budget line is.

Question # 20

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

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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 is a square matrix of order ' n' and lis the unit matrix of the same order then A 1 is equal to.
A. A
B. 1A
C. 1
D. Both a and b
2 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
3 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
4 "No two elements of a set are identical" this statements is.
A. Always true
B. Sometimes true
C. Not true
D. All of the above is possible
5 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
6 any number raise to the power zero is always equal to.
A. zero
B. one
C. two
D. The number itself
7 A set continuing no elements is called.
A. Null set
B. mpty set
C. void set
D. all of the above
8 a x2 + bx + c = 0
A. Linear equation
B. Quadratic equation
C. Polynomial of degree five
D. None of these
9 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
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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