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

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

Question # 2

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

Question # 3

The function y = 2x + 1 and x = 1/2 y - 1/2 are said to be.

Question # 4

The determinant of a matrix and that of its transpose are

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

The set of subsets of a set A is called.

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 set continuing no elements is called.

Question # 12

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 # 13

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

Question # 14

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

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

Th transpose of the cofactor matrix is called.

Question # 18

An equation in which all variables are raised to the first power is known as.

Question # 19

The variable that stands alone on the left hand side of the equation such as y = 2x + 1 is known as.

Question # 20

In a matrix , if there is only one row but any number of columns, it 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 If two sets contain the same distinct elements, then they are called.
A. Equal sets
B. Unequal sets
C. Equivalent sets
D. All of the above
2 If each element of a raw or column is a sum of two elements, the determinant can be expressed as the
A. Sun of two determinants
B. Difference of two determinants
C. Multiplication of two determinants
D. Division of two determinants
3 A square matrix a of order 'n' is called a diagonal matrix if its non diagonal elements are.
A. zero
B. Non zero
C. One
D. None of the above
4 Union of A and the universal set is
A. A
B. A'
C. Universal set
D. None of these
5 A function where a variable x can only very in jumps, is often called.
A. Non linear functions
B. Inverse function
C. Step function
D. All of above
6 (A+B) = (B+A) this law of matrices is known as.
A. Cumulative law
B. Associative law
C. Distributive law
D. Identity law
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 The set which contains all the element of the two given sets A and B, avoiding duplication, is called.
A. Intersection of A and B
B. Union of A and B
C. Set A and B
D. None of these
9 The point at which the graph cuts the x axis is called.
A. x- intercept
B. y - intercept
C. slope
D. None of these
10 The value of the dependent variable where the graph cuts the y-axis is called.
A. X - intercept
B. Y- intercept
C. Slope
D. None of these

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