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

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

Question # 2

A set continuing no elements is called.

Question # 3

A determinant composed of all the first order partial derivatives of a system of equations, arranged in ordered sequence is called.

Question # 4

"No two elements of a set are identical" this statements is.

Question # 5

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

Question # 6

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

Question # 7

A negative definite Hessian fulfills the second order conditions for.

Question # 8

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

Question # 9

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

Question # 10

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.

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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 # 18

Ordered Pairs of two sets are called.

Question # 19

If B is a subset of A, then AUB =

Question # 20

A linear function of the form 6x2 - 2y + 8 = 0 is known 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 the determinant formed by the elements of the matrix is not equal to zero, then the matrix is called.
A. Skew symmetric
B. Symmetric
C. Singular
D. Non -singular
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 we are told that the two statements y = 3x2 and y = x + 10' are bout true at the same time , they are called.
A. Implicit functions
B. explicit functions
C. Simultaneous equations
D. Quadratic equations
4 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
5 Union of A and the universal set is
A. A
B. A'
C. Universal set
D. None of these
6 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
7 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
8 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.
A. n x m
B. m x n
C. n x n
D. m x m
9 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
10 Matrix multiplication does not satisfy
A. Associative law
B. Distributive law
C. Commutative law
D. None of the above

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