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

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

Question # 2

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

Question # 3

The signed minor of the matrass A is called.

Question # 4

Who is regarded as the founder of theory of sets.

Question # 5

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

Question # 6

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

Question # 7

A set containing only one element is termed as

Question # 8

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

Question # 9

if A = A , then A is

Question # 10

The matrix A multiplies by its inverse will b e a.

Question # 11

AB = BA = 1 , then B is said to

Question # 12

In a matrix , if there is only one row but any number of columns, it is called.

Question # 13

The elements in the Horizontal line in a matrix is called.

Question # 14

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

Question # 15

If every element of a set B is also an elements of A then

Question # 16

Which method is used for finding inverse of a matrix.

Question # 17

A square matrix a of order 'n' is called a diagonal matrix if its non diagonal elements are.

Question # 18

a x2 + bx + c = 0

Question # 19

The determinant of a matrix and that of its transpose are

Question # 20

If B is a subset of A, then AUB =

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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 mathematical statement setting two algebraic expressions equal to each other is called.
A. Equations
B. Hypothesis
C. Inequality
D. All of above
2 A square matrix A, such that A = A ' is called a
A. Symmetric matrix
B. Skew symmetric matrix
C. Singular matrix
D. Rank of a matrix
3 if A = A , then A is
A. Symmetric matrix
B. Skew symmetric matrix
C. Identity matrix
D. Orthogonal matrix
4 Relation between two numbers or variables are called.
A. Function
B. Binary relation
C. Inverse relation
D. None of the above
5 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
6 If A and B are symmetric matrix, then AB- BA is.
A. Symmetric
B. Skew symmetric matrix
C. Idempotent matrix
D. Orthogonal matrix
7 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
8 a x2 + bx + c = 0
A. Linear equation
B. Quadratic equation
C. Polynomial of degree five
D. None of these
9 A polynomial equation with degree two a called.
A. Linear equation
B. Quadratic equation
C. Parabola equation
D. All of the above
10 A diagonal matrix whose diagonal elements are equal is called.
A. Unit matrix
B. Singular matrix
C. Scalar matrix
D. Non singular matrix

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