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

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

Question # 2

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

Question # 3

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

Question # 4

The simplest form of rectangular hyperbola is

Question # 5

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

Question # 6

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 # 7

An equation in which all variables are raised to the first power is known as.

Question # 8

The objects constituting a set are called

Question # 9

"No two elements of a set are identical" this statements is.

Question # 10

(A+B) = (B+A) this law of matrices is known as.

Question # 11

Matrix multiplication does not satisfy

Question # 12

A inverse is defined only if A is a

Question # 13

A set containing only one element is termed as

Question # 14

a x2 + bx + c = 0

Question # 15

Given or known values in an equation are called.

Question # 16

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

Question # 17

For any square matrix a of order 'n'a (Ad)A) is equal to.

Question # 18

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

Question # 19

A set continuing no elements is called.

Question # 20

Union of A and a null set is equal 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 B is a subset of A ,then A is a
A. Super set of B
B. Sub set of B
C. Empty set of B
D. Universal set of B
2 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
3 a x2 + bx + c = 0
A. Linear equation
B. Quadratic equation
C. Polynomial of degree five
D. None of these
4 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
5 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
6 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
7 If any equation involving two variables, such as y -=2x + 1, the variable that appears on the right hand side of the equation is by convention called.
A. Dependent variable
B. independent variable
C. Endogenous variable
D. Explained variable
8 For any square matrix A of order 'n' a +A is.
A. Skew symmetric
B. Non skew symmetric
C. Symmetric
D. Non symmetric
9 If A and B are symmetric matrix, then AB- BA is.
A. Symmetric
B. Skew symmetric matrix
C. Idempotent matrix
D. Orthogonal matrix
10 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

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