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

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

Question # 2

The slope of a horizontal line is.

Question # 3

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 # 4

A set containing only one element is termed as

Question # 5

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

Question # 6

A set containing all the elements of the universal set except those of set A is called.

Question # 7

The objects constituting a set are called

Question # 8

The determinant of quadratic form is called.

Question # 9

The matrix A multiplies by its inverse will b e a.

Question # 10

The simplest form of rectangular hyperbola is

Question # 11

The sufficient condition required for the matrix to posses inverse is that the matrix should be.

Question # 12

if in a matrix , the number if rows is the same as the number of columns, it is called.

Question # 13

a x2 + bx + c = 0

Question # 14

Given the demand and supply cautions qo = -8p + 2000 and qs = 12 p - 200 respectively the equilibrium price.

Question # 15

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 # 16

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

Question # 17

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

Question # 18

Th transpose of the cofactor matrix is called.

Question # 19

any number raise to the power zero is always equal to.

Question # 20

If each element of a raw of column of a square matrix A is zero, then the value of the determinant. 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 A polynomial equation with degree two a called.
A. Linear equation
B. Quadratic equation
C. Parabola equation
D. All of the above
2 If B is a subset of A, then AUB =
A. B
B. Intersection of A and B
C. A
D. None of these
3 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
4 If each 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. None of these
5 Union of A with A, that is A U A.
A. Complement of A
B. A itself
C. Con not be determined
D. None of these
6 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
7 The elements in the Horizontal line in a matrix is called.
A. Columns
B. Rows
C. Elements
D. Diagonal
8 If every element of a set B is also an elements of A then
A. A is a subset of B
B. B is a subset of A
C. A is not a subset of B
D. B is not a subset of A
9 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
10 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

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