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

if two sets do not have any common element, then they are called.

Question # 2

The point at which the graph cuts the x axis is called.

Question # 3

The elements in the Horizontal line in a matrix is called.

Question # 4

If every elements of a raw or column of a square matrix A is zero, then the value of the determinant .

Question # 5

If matrix A is matrix of order n x m and B is another matrix of order m x n, then BA will be the matrix of order.

Question # 6

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 # 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.

Question # 8

Ordered Pairs of two sets are called.

Question # 9

If every element of a raw of column of a square matrix A is zero, then the value of the determinant. is.

Question # 10

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

Question # 11

If the determinant formed by the elements of the matrix is not equal to zero, then the matrix is called.

Question # 12

The simplest form of rectangular hyperbola is

Question # 13

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

Question # 14

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

Question # 15

Union of A and a null set is equal is.

Question # 16

A negative definite Hessian fulfills the second order conditions for.

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

Unknown values in an equation are 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 Which method is used for finding inverse of a matrix.
A. Gauss elimination method
B. Henrich standard method
C. Co factor method
D. Both a and c
2 If all the elements of a matrix of any order are zero, it is called.
A. Identity matrix
B. Null matrix
C. Zero matrix
D. Both b and c
3 A inverse is defined only if A is a
A. Square matrix
B. Column vector
C. Orthogonal matrix
D. Skew symmetric matrix
4 In Vann diagram the universal set is represented by
A. Points within a rectangle
B. Points within a circle
C. Both a and b
D. None of these
5 A square matrix A, such that A = A ' is called a
A. Symmetric matrix
B. Skew symmetric matrix
C. Singular matrix
D. Rank of a matrix
6 Given or known values in an equation are called.
A. Constants
B. Parameters
C. Coefficients
D. All of the above
7 any number raise to the power zero is always equal to.
A. zero
B. one
C. two
D. The number itself
8 A square matrix with 1's in its principal diagonal and zeros every where else is.
A. Diagonal matrix
B. Identity matrix
C. Leading diagonal
D. Scalar matrix
9 Matrix multiplication does not satisfy
A. Associative law
B. Distributive law
C. Commutative law
D. None of the above
10 A positive definite Hessian fulfills the second order conditions for
A. Maximum
B. Minimum
C. Both maximum and minimum
D. Mini max

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