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

00:00
Question # 1

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

Question # 2

A negative definite Hessian fulfills the second order conditions for.

Question # 3

If B is a subset of A, then AUB =

Question # 4

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

Question # 5

The determinant of quadratic form is called.

Question # 6

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

Question # 7

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 # 8

AB = BA = 1 , then B is said to

Question # 9

a x2 + bx + c = 0

Question # 10

Ordered Pairs of two sets are called.

Question # 11

A square matrix A, such that A = A ' is called a

Question # 12

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

Question # 13

Unknown values in an equation are called.

Question # 14

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

Question # 15

A determinant composed of all the first order partial derivatives of a system of equations, arranged in ordered sequence is called.

Question # 16

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

Question # 17

The slope of a horizontal line is.

Question # 18

Union of A and the universal set is

Question # 19

A diagonal matrix whose diagonal elements are equal is called.

Question # 20

Who is regarded as the founder of theory of sets.

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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 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
2 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
3 The elements in the Horizontal line in a matrix is called.
A. Columns
B. Rows
C. Elements
D. Diagonal
4 any number raise to the power zero is always equal to.
A. zero
B. one
C. two
D. The number itself
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 Th transpose of the cofactor matrix is called.
A. Adjoin of the matrix
B. Power of a matrix
C. Minor of the matrix
D. Rank of a matrix
7 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
8 if A = A , then A is
A. Symmetric matrix
B. Skew symmetric matrix
C. Identity matrix
D. Orthogonal matrix
9 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
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.
A. Jacobian determinant
B. Hessian determinant
C. Discriminant
D. None of these

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