Question # 1

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

Choose an answer

Diagonal matrix

Orthogonal matrix

Unit matrix

Column vector

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

Choose an answer

zero

one

two

The number itself

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 determinant of a matrix and that of its transpose are

Choose an answer

Equal

Zero

One

Negatively related

If the columns of a given matrix A and B are changed into rows and vice versa, the matrix thus obtained is called the.

Choose an answer

Symmetric matrix

Transpose of a matrix

Singular matrix

Rank of matrix

A inverse is defined only if A is a

Choose an answer

Square matrix

Column vector

Orthogonal matrix

Skew symmetric matrix

If a consumer's budget constraint is given as P, X,+ Py Y = B thent he absolute slope of the budget line is.

Choose an answer

B

x/y

P/Py

None of these

Who is regarded as the founder of theory of sets.

Choose an answer

Adam Smith

Karl Frederich Gauss

George cantor

Euller

If A and B are symmetric matrix, then AB- BA is.

Choose an answer

Symmetric

Skew symmetric matrix

Idempotent matrix

Orthogonal matrix

Unknown values in an equation are called.

Choose an answer

Constants

Numeraire

Variables

All of the above

Given the demand function qo = -8p +2000 and tis inverse p = -1/8 qo + 250 ,p in the inverse function which is interpreted as the maximum price that buyers are willing to pay for the.

Choose an answer

Supply price

Demand price

Equilibrium price

Reserved price

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

Choose an answer

Complement of set A

Complement of universal set

Union of A and universals set

Universal set itself

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 signed minor of the matrass A is called.

Choose an answer

Adjoin

Co factor

Minor

Rank

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

Choose an answer

Equal sets

Unequal sets

Equivalent sets

All of the above

A mathematical statement setting two algebraic expressions equal to each other is called.

Choose an answer

Equations

Hypothesis

Inequality

All of above

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

Choose an answer

Always true

Sometimes true

Not true

All of the above is possible

If every 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

Not equal

If all the elements of a matrix of any order are zero, it is called.

Choose an answer

Identity matrix

Null matrix

Zero matrix

Both b and c

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

Choose an answer

Intersection of A and B

Union of A and B

Set A and B

None of these

A set continuing no elements is called.

Choose an answer

Null set

mpty set

void set

all of the above

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer