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

A square matrix a of order 'n' is called a diagonal matrix if its non diagonal elements are.

Question # 2

Given the demand function qo = -8p +2000 and tis inverse p = -1/8 qo + 250 ,p in the inverse function which is interpreted as the maximum price that buyers are willing to pay for the.

Question # 3

In Vann diagram the universal set is represented by

Question # 4

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

Question # 5

If the columns of a given matrix A and B are changed into rows and vice versa, the matrix thus obtained is called the.

Question # 6

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 # 7

A matrix with all elements zero other than all the diagonals is called.

Question # 8

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

Question # 9

Relation between two numbers or variables are called.

Question # 10

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 # 11

Ordered Pairs of two sets are called.

Question # 12

A inverse is defined only if A is a

Question # 13

A set continuing no elements is called.

Question # 14

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

Question # 15

if A = A , then A is

Question # 16

In a matrix , if there is only one row but any number of columns, it is called.

Question # 17

Union of A and the universal set is

Question # 18

If A and B are symmetric matrix, then AB- BA is.

Question # 19

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

Question # 20

If a Set C contain all the elements which are present in both the set A and B then set C is 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 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
2 An equation in which all variables are raised to the first power is known as.
A. Linear equation
B. Non linear equation
C. Quadratic equation
D. Polynomial of degree two
3 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
4 For any square matrix A of order 'n' a +A is.
A. Skew symmetric
B. Non skew symmetric
C. Symmetric
D. Non symmetric
5 "Null set is proper subset of all the non nul sets" this statement is.
A. Always true
B. sometimes true
C. Never true
D. True subject to some conditions
6 The elements in the Horizontal line in a matrix is called.
A. Columns
B. Rows
C. Elements
D. Diagonal
7 For any square matrix a of order 'n'a (Ad)A) is equal to.
A. (Ad) A) A
B. Determinant A
C. Rank of A
D. Both a and b
8 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
9 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
10 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

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