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 diagonal matrix whose diagonal elements are equal is called.

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Matrix multiplication does not satisfy

Question # 8

a x2 + bx + c = 0

Question # 9

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

Question # 10

Which method is used for finding inverse of a matrix.

Question # 11

The set of all elements belonging to A but not to B is.

Question # 12

Union of A and a null set is equal is.

Question # 13

In Vann diagram the universal set is represented by

Question # 14

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 # 15

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

Question # 16

The set which contains all the element of the two given sets A and B, avoiding duplication, is called.

Question # 17

The matrix A multiplies by its inverse will b e a.

Question # 18

A set containing all the elements of the universal set except those of set A is called.

Question # 19

The set of subsets of a set A is called.

Question # 20

Th transpose of the cofactor matrix 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 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
2 A inverse is defined only if A is a
A. Square matrix
B. Column vector
C. Orthogonal matrix
D. Skew symmetric matrix
3 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
4 A function where a variable x can only very in jumps, is often called.
A. Non linear functions
B. Inverse function
C. Step function
D. All of above
5 The equilibrium price and quantity , given the inverse demand and supply functions.
po = 3q +30 and p s = 2q -5
A. p = 9 and q = 7
B. p = 10 and q = 7
C. p = 9 and q = 8
D. p = 7 and q = 9
6 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
7 A set continuing no elements is called.
A. Null set
B. mpty set
C. void set
D. all of the above
8 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
9 In Vann diagram the universal set is represented by
A. Points within a rectangle
B. Points within a circle
C. Both a and b
D. None of these
10 if we are told that the two statements y = 3x2 and y = x + 10' are bout true at the same time , they are called.
A. Implicit functions
B. explicit functions
C. Simultaneous equations
D. Quadratic equations

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