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

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

Question # 2

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.

Question # 3

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

Question # 4

If two sets contains the same number of distinct elements but not the same elements are called.

Question # 5

A diagonal matrix whose diagonal elements are equal is called.

Question # 6

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

Question # 7

Matrix multiplication does not satisfy

Question # 8

If matrix A is of m x n dimension, then A will be

Question # 9

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

Question # 10

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

Question # 11

Union of A and a null set is equal is.

Question # 12

A inverse is defined only if A is a

Question # 13

"Null set is proper subset of all the non nul sets" this statement is.

Question # 14

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

Question # 15

Union of A with B is same as union of B with A, that is AUB = BUA is termed as

Question # 16

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

Question # 17

AB = BA = 1 , then B is said to

Question # 18

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

Question # 19

Collection of well defined distinct objects thought of as a whole is called

Question # 20

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

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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 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
2 A negative definite Hessian fulfills the second order conditions for.
A. Maximum
B. Minimum
C. both maximum and minimum
D. Mini max
3 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
4 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
5 "No two elements of a set are identical" this statements is.
A. Always true
B. Sometimes true
C. Not true
D. All of the above is possible
6 The signed minor of the matrass A is called.
A. Adjoin
B. Co factor
C. Minor
D. Rank
7 The determinant of quadratic form is called.
A. Jacobian determinant
B. Hessian determinant
C. Discriminant
D. None of these
8 The set of all elements belonging to A but not to B is.
A. B - A
B. A - B
C. A'
D. B'
9 An equation in which all variables are raised to the first power is known as.
A. Linear equation
B. Non linear equation
C. Quadratic equation
D. Polynomial of degree two
10 The elements in the Horizontal line in a matrix is called.
A. Columns
B. Rows
C. Elements
D. Diagonal

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