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

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

Question # 2

If B is a subset of A, then AUB =

Question # 3

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

Question # 4

Who is regarded as the founder of theory of sets.

Question # 5

The simplest form of rectangular hyperbola is

Question # 6

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

Question # 7

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

Question # 8

A diagonal matrix whose diagonal elements are equal is called.

Question # 9

A linear function of the form 6x2 - 2y + 8 = 0 is known as.

Question # 10

If all the elements of a matrix of any order are zero, it is called.

Question # 11

The slope of a horizontal line is.

Question # 12

Th transpose of the cofactor matrix is called.

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

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

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

The associative law of union is

Question # 19

If two sets contain the same distinct elements, then they are called.

Question # 20

A inverse is defined only if A is a

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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 determinant of a matrix and that of its transpose are
A. Equal
B. Zero
C. One
D. Negatively related
2 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
3 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
4 "No two elements of a set are identical" this statements is.
A. Always true
B. Sometimes true
C. Not true
D. All of the above is possible
5 Unknown values in an equation are called.
A. Constants
B. Numeraire
C. Variables
D. All of the above
6 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
7 If A and B are symmetric matrices, then A +B is
A. Symmetric
B. Non symmetric
C. Skew symmetric
D. Non skew symmetric
8 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
9 Union of A with B is same as union of B with A, that is AUB = BUA is termed as
A. Associative law of union
B. Cumulative law of union
C. Reflective law
D. All the above
10 A set containing only one element is termed as
A. Unit set
B. Singleton set
C. Both a and b
D. None of these

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