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

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 # 2

The determinant of quadratic form is called.

Question # 3

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

Question # 4

The set of subsets of a set A is called.

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

a x2 + bx + c = 0

Question # 10

For any square matrix A of order 'n' a +A is.

Question # 11

The objects constituting a set are called

Question # 12

Th transpose of the cofactor matrix is called.

Question # 13

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

Question # 14

If A and B are symmetric matrices, then A +B is

Question # 15

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 # 16

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

Question # 17

The associative law of union is

Question # 18

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

Question # 19

If a consumer's budget constraint is given as P, X,+ Py Y = B thent he absolute slope of the budget line is.

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+B) = (B+A) this law of matrices is known as.
A. Cumulative law
B. Associative law
C. Distributive law
D. Identity law
2 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
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 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
5 If a Set C contain all the elements which are present in both the set A and B then set C is called.
A. Union of A and B
B. Intersection of A and B
C. Complement of A
D. Complement of B
6 A set continuing no elements is called.
A. Null set
B. mpty set
C. void set
D. all of the above
7 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
8 If matrix A is of m x n dimension, then A will be
A. n x m dimension
B. m x n dimension
C. n x p dimension
D. m x m dimension
9 A inverse is defined only if A is a
A. Square matrix
B. Column vector
C. Orthogonal matrix
D. Skew symmetric matrix
10 Given or known values in an equation are called.
A. Constants
B. Parameters
C. Coefficients
D. All of the above

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