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

The determinant of a matrix and that of its transpose are

Question # 2

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

Question # 3

A diagonal matrix whose diagonal elements are equal is called.

Question # 4

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

Question # 5

if we are told that the two statements y = 3x2 and y = x + 10' are bout true at the same time , they are called.

Question # 6

The signed minor of the matrass A is called.

Question # 7

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

Question # 8

A set totality of elements from all possible sets is called.

Question # 9

Which method is used for finding inverse of a matrix.

Question # 10

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

Question # 11

a x2 + bx + c = 0

Question # 12

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

Question # 13

The objects constituting a set are called

Question # 14

For any square matrix a of order 'n'a (Ad)A) is equal to.

Question # 15

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

Question # 16

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

Question # 17

A square matrix a such that A2 = a is called.

Question # 18

Collection of well defined distinct objects thought of as a whole is called

Question # 19

Union of A and a null set is equal is.

Question # 20

if A = A , then A is

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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 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
2 Who is regarded as the founder of theory of sets.
A. Adam Smith
B. Karl Frederich Gauss
C. George cantor
D. Euller
3 A square matrix a such that A2 = a is called.
A. Orthogonal matrix
B. Skew symmetric matrix
C. Idempotent matrix
D. Singular matrix
4 A matrix with all elements zero other than all the diagonals is called.
A. Diagonal matrix
B. Orthogonal matrix
C. Unit matrix
D. Column vector
5 Union of A with B is same as union of B with A, that is AUB = BUA is termed as
A. Associative law of union
B. Cumulative law of union
C. Reflective law
D. All the above
6 any number raise to the power zero is always equal to.
A. zero
B. one
C. two
D. The number itself
7 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
8 The increase in dependent variable that results when the independent variable increases by one unit in a simple lines. function is called.
A. Y intercept of the curve
B. Slope of the curve
C. X intercept of the curve
D. Marginal value
9 if in a matrix , the number if rows is the same as the number of columns, it is called.
A. Singular matrix
B. Non singular matrix
C. Square matrix
D. Column vector
10 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

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