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

Question # 2

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

Question # 3

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

Question # 4

A variable which is free to take any value we choose to assign to it is called.

Question # 5

A set totality of elements from all possible sets is called.

Question # 6

Relation between two numbers or variables are called.

Question # 7

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 # 8

Matrix multiplication does not satisfy

Question # 9

The point at which the graph cuts the x axis is called.

Question # 10

Union of A and a null set is equal is.

Question # 11

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

Question # 12

A inverse is defined only if A is a

Question # 13

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

Question # 14

if we are told that the two statements y = 3x2 and y = x + 10' are bout true at the same time , they are called.

Question # 15

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

Question # 16

The set of 'stars in the sky' is an example of

Question # 17

If B is a subset of A ,then A is a

Question # 18

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

Question # 19

A positive definite Hessian fulfills the second order conditions for

Question # 20

The associative law of union 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 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
2 A set containing all the elements of the universal set except those of set A is called.
A. Complement of set A
B. Complement of universal set
C. Union of A and universals set
D. Universal set itself
3 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
4 (A+B) = (B+A) this law of matrices is known as.
A. Cumulative law
B. Associative law
C. Distributive law
D. Identity law
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 Collection of well defined distinct objects thought of as a whole is called
A. Union
B. Derivative
C. Set
D. Integral
7 A matrix with all elements zero other than all the diagonals is called.
A. Diagonal matrix
B. Orthogonal matrix
C. Unit matrix
D. Column vector
8 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
9 Union of A and the universal set is
A. A
B. A'
C. Universal set
D. None of these
10 If A and B are symmetric matrix, then AB- BA is.
A. Symmetric
B. Skew symmetric matrix
C. Idempotent matrix
D. Orthogonal matrix

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