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

Given or known values in an equation are called.

Question # 2

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

Question # 3

if A = A , then A is

Question # 4

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

Question # 5

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 # 6

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

Question # 7

For any square matrix A of order 'n' a +A is.

Question # 8

The set of subsets of a set A is called.

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

A polynomial equation with degree two a called.

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

if in a matrix , the number if rows is the same as the number of columns, it is called.

Question # 17

If A is a square matrix of order ' n' and lis the unit matrix of the same order then A 1 is equal to.

Question # 18

Th transpose of the cofactor matrix is called.

Question # 19

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

Question # 20

The set which contains all the element of the two given sets A and B, avoiding duplication, is 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 The sufficient condition required for the matrix to posses inverse is that the matrix should be.
A. square matrix
B. Singular matrix
C. Non singular matrix
D. Orthogonal matrix
2 For any square matrix A of order 'n' a +A is.
A. Skew symmetric
B. Non skew symmetric
C. Symmetric
D. Non symmetric
3 If two sets contains the same number of distinct elements but not the same elements are called.
A. Pie diagram
B. Venn diagrams
C. Histogram
D. Ogives
4 a x2 + bx + c = 0
A. Linear equation
B. Quadratic equation
C. Polynomial of degree five
D. None of these
5 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
6 A positive definite Hessian fulfills the second order conditions for
A. Maximum
B. Minimum
C. Both maximum and minimum
D. Mini max
7 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
8 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
9 For any square matrix a of order 'n'a (Ad)A) is equal to.
A. (Ad) A) A
B. Determinant A
C. Rank of A
D. Both a and b
10 "Null set is proper subset of all the non nul sets" this statement is.
A. Always true
B. sometimes true
C. Never true
D. True subject to some conditions

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