Question # 1

Matrix multiplication does not satisfy

Choose an answer

Associative law

Distributive law

Commutative law

None of the above

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

The value of the dependent variable where the graph cuts the y-axis is called.

Choose an answer

X - intercept

Y- intercept

Slope

None of these

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

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

Which method is used for finding inverse of a matrix.

Choose an answer

Gauss elimination method

Henrich standard method

Co factor method

Both a and c

A set totality of elements from all possible sets is called.

Choose an answer

Union set

Intersection set

Universal set

Unit set

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

Choose an answer

Explicit function

implicit function

Quadratic function

All of the above

If any equation involving two variables, such as y -=2x + 1, the variable that appears on the right hand side of the equation is by convention called.

Choose an answer

Dependent variable

independent variable

Endogenous variable

Explained variable

In Vann diagram the universal set is represented by

Choose an answer

Points within a rectangle

Points within a circle

Both a and b

None of these

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

Choose an answer

Sun of two determinants

Difference of two determinants

Multiplication of two determinants

Division of two determinants

A inverse is defined only if A is a

Choose an answer

Square matrix

Column vector

Orthogonal matrix

Skew symmetric matrix

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

Choose an answer

Orthogonal matrix

Skew symmetric matrix

Idempotent matrix

Singular 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

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

Choose an answer

Equations

Hypothesis

Inequality

All of above

Union of A and a null set is equal is.

Choose an answer

Intersection of A and null set

Null set

Both a and b

A

The set of 'stars in the sky' is an example of

Choose an answer

Countable set

Infinite set

Finite set

unit set

If the determinant formed by the elements of the matrix is not equal to zero, then the matrix is called.

Choose an answer

Skew symmetric

Symmetric

Singular

Non -singular

The set of subsets of a set A is called.

Choose an answer

Power set of A

Complement of A

Both a and b

None of these

Relation between two numbers or variables are called.

Choose an answer

Function

Binary relation

Inverse relation

None of the above

For any square matrix a of order 'n'a (Ad)A) is equal to.

Choose an answer

(Ad) A) A

Determinant A

Rank of A

Both a and b

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