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

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

Question # 2

A variable which is free to take any value we choose to assign to it is called.

Question # 3

In Vann diagram the universal set is represented by

Question # 4

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

Question # 5

If B is a subset of A, then AUB =

Question # 6

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

Question # 7

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

Question # 8

A diagonal matrix whose diagonal elements are equal is called.

Question # 9

a possible use in encomia's for the circle or the ellipse is to model.

Question # 10

Union of A and the universal set is

Question # 11

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

Question # 12

Th transpose of the cofactor matrix is called.

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

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

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

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

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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 If any equation involving two variables, such as y -=2x + 1, the variable that appears on the right hand side of the equation is by convention called.
A. Dependent variable
B. independent variable
C. Endogenous variable
D. Explained variable
4 The set of 'stars in the sky' is an example of
A. Countable set
B. Infinite set
C. Finite set
D. unit set
5 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
6 If a Set C contain all the elements which are present in both the set A and B then set C is called.
A. Union of A and B
B. Intersection of A and B
C. Complement of A
D. Complement of B
7 The signed minor of the matrass A is called.
A. Adjoin
B. Co factor
C. Minor
D. Rank
8 The function y = 2x + 1 and x = 1/2 y - 1/2 are said to be.
A. Non linear functions
B. Inverse functions
C. Step functions
D. All the above
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 A negative definite Hessian fulfills the second order conditions for.
A. Maximum
B. Minimum
C. both maximum and minimum
D. Mini max

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