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

Ordered Pairs of two sets are called.

Question # 2

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

Question # 3

The signed minor of the matrass A is called.

Question # 4

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

Question # 5

If the columns of a given matrix A and B are changed into rows and vice versa, the matrix thus obtained is called the.

Question # 6

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

Question # 7

Given or known values in an equation are called.

Question # 8

A function where a variable x can only very in jumps, is often called.

Question # 9

A mathematical statement setting two algebraic expressions equal to each other is called.

Question # 10

a x2 + bx + c = 0

Question # 11

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

Question # 12

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

Question # 13

If two sets contain the same distinct elements, then they are called.

Question # 14

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 # 15

Th transpose of the cofactor matrix is called.

Question # 16

Given the demand and supply cautions qo = -8p + 2000 and qs = 12 p - 200 respectively the equilibrium price.

Question # 17

The simplest form of rectangular hyperbola is

Question # 18

A polynomial equation with degree two a called.

Question # 19

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

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 all the elements of a matrix of any order are zero, it is called.
A. Identity matrix
B. Null matrix
C. Zero matrix
D. Both b and c
2 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
3 a x2 + bx + c = 0
A. Linear equation
B. Quadratic equation
C. Polynomial of degree five
D. None of these
4 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
5 (A+B) + C =a +(B+C) This law of matrices is known as.
A. Cumulative law
B. Associative law
C. Distributive law
D. Identity law
6 Ordered Pairs of two sets are called.
A. Elements
B. Function
C. Cartesian product
D. None of the above
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 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
9 If A is a square matrix of order ' n' and lis the unit matrix of the same order then A 1 is equal to.
A. A
B. 1A
C. 1
D. Both a and b
10 If the determinant formed by the elements of the matrix A is equal to zero, then the matrix is.
A. Skew symmetric
B. Singular
C. Symmetric
D. Non singular

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