Question # 1

Relation between two numbers or variables are called.

Choose an answer

Function

Binary relation

Inverse relation

None of the above

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

Choose an answer

Singular matrix

Non singular matrix

Square matrix

Column vector

The simplest form of rectangular hyperbola is

Choose an answer

y = 1/x

y = x2

y = x-2

y = x3

A square matrix a such that A2 = a is called.

Choose an answer

Orthogonal matrix

Skew symmetric matrix

Idempotent matrix

Singular matrix

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

Choose an answer

Equal

One

Zero

None of these

Th transpose of the cofactor matrix is called.

Choose an answer

Adjoin of the matrix

Power of a matrix

Minor of the matrix

Rank of a matrix

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

Choose an answer

Symmetric matrix

Skew symmetric matrix

Singular matrix

Rank of a matrix

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

Choose an answer

A is a subset of B

B is a subset of A

A is not a subset of B

B is not a subset of A

The determinant of a matrix and that of its transpose are

Choose an answer

Equal

Zero

One

Negatively related

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

Choose an answer

Implicit functions

explicit functions

Simultaneous equations

Quadratic equations

The associative law of union is

Choose an answer

AU (BUC= (AUB)

U C

AUB = BUA

BUC = BUA

A set continuing no elements is called.

Choose an answer

Null set

mpty set

void set

all of the above

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

Choose an answer

Dependent variable

Independent variable

Endogenous variable

Explained variable

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

Choose an answer

Equal

Zero

One

Negative related

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

Choose an answer

Complement sets

Joint sets

Disjoint sets

None of these

More Classes

Other Links

PPSC Economics Chapter 13 Mathematics in Economics MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer