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

if A = A , then A is

Question # 2

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

Question # 3

A square matrix with 1's in its principal diagonal and zeros every where else is.

Question # 4

A negative definite Hessian fulfills the second order conditions for.

Question # 5

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

Question # 6

Ordered Pairs of two sets are called.

Question # 7

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

Question # 8

any number raise to the power zero is always equal to.

Question # 9

The objects constituting a set are called

Question # 10

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

Question # 11

if two sets do not have any common element, then they are called.

Question # 12

if we are told that the two statements y = 3x2 and y = x + 10' are bout true at the same time , they are called.

Question # 13

A linear function of the form 6x2 - 2y + 8 = 0 is known as.

Question # 14

AB = BA = 1 , then B is said to

Question # 15

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

Question # 16

A diagonal matrix whose diagonal elements are equal is called.

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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

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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 do not have any common element, then they are called.
A. Complement sets
B. Joint sets
C. Disjoint sets
D. None of these
2 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
3 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
4 A possible use in economies for the circle of the ellipse is to model.
A. Production possibility curve
B. Demand curve
C. Iosco line
D. Supply curve
5 If A and B are symmetric matrices, then A +B is
A. Symmetric
B. Non symmetric
C. Skew symmetric
D. Non skew symmetric
6 A square matrix with 1's in its principal diagonal and zeros every where else is.
A. Diagonal matrix
B. Identity matrix
C. Leading diagonal
D. Scalar matrix
7 A linear function of the form 6x2 - 2y + 8 = 0 is known as.
A. Explicit function
B. implicit function
C. Quadratic function
D. All of the above
8 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
9 If a consumer's budget constraint is given as P, X,+ Py Y = B thent he absolute slope of the budget line is.
A. B
B. x/y
C. P/Py
D. None of these
10 AB = BA = 1 , then B is said to
A. Ad joint of matrix of A
B. Inverse matrix of A
C. Determinant of A
D. Cofactor of a

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