Question # 1

For any set X, X∪X is

Choose an answer

X

X'

Φ

Universal Set

Multiplicative inverse of "1" is

Choose an answer

+- 1

0

1

None of these

Which of the following is the subset of all sets

Choose an answer

Φ

{1,2,3}

{Φ}

{0}

In a school, there are 150 students. Out of these 80 students enrolled for mathematics class, 50 enrolled for English class, and 60 enrolled for Physics class. The students enrolled for English cannot any other class, but the students of mathematics and Physics can take two courses at a time. Find the number of students who have taken both physics and mathematics

Choose an answer

40

30

50

20

Z is the set of integers, (z, *) is a group with a * b = a + b + 1, a, b∈G. then inverse of a is

Choose an answer

-a

a + 1

-2 -a

None of these

The number of proper subset of A ={a.b.c.d} is

Choose an answer

3

6

8

15

Choose an answer

A

B

A'

None of these

The set {1,-1,i,-i}

Choose an answer

Form a group w.r.t addition

Form a group w.r.t multiplication

Does not form a group w.r.t multiplication

Not closed under multiplication

G = {e, a, b, c} is an Abelian group with e as identity element The order of the other elements are

Choose an answer

2,2,2

3,3,3

2,2,4

2,3,4

Under multiplication, solution set of is

Choose an answer

Groupoid

Abelian group

Semi group

All of these

The set of whole numbers is subset of

Choose an answer

The set on integers

The set of natural numbers

{1, 3, 5, 7, ....}

The set of prime numbers

Let A,B and C be any sets such that A∪B = A∪C and A∩ B = A∩ C then

Choose an answer

A = B

B = C

A≠ C

A ≠ B

Onto function is also called

Choose an answer

Binjective function

Injective function

Surjechive function

None of these

Choose an answer

A

A'

U

A A'

Choose an answer

1/x

-x

2x

0.5 x

A conditional "if p then q" is denoted by

Choose an answer

If P = {x/x = p/q where p,q∈ Z and q≠ 0}, then P is the set of

Choose an answer

Irrational numbers

Even numbers

Rational numbers

Whole numbers

The set (Z,+) forms a group

Choose an answer

Forms a group w.r.t addition

Non commutative group w.r.t multiplication

Forms a group w.r.t multiplication

Doesn't form a group

The function {f(x,y)|y = ax2 +bx +c} is

Choose an answer

One-one function

Constant function

Onto function

Quadratic function

The negation of a number

Choose an answer

a relation

a function

unary operation

binary operation

The set (Q, .)

Choose an answer

Forms a group

Does not form a group

Contains no additive identity

Contains no additive inverse

Choose an answer

A

A'

U

None of these

Choose an answer

Biconditional

Implication

Antecedent

Hypothesis

The graph of a linear function is

Choose an answer

a circle

triangle

a straight line

none of these

If A and B are two sets then any subset R of A x B is called

Choose an answer

relation on A

relation on B

relation from A to B

relation from B to A

The multiplicative inverse of -1 in the set {1-, 1} is

Choose an answer

1

-1

+-1

0

To each element of a group there corresponds ............. inverse element

Choose an answer

Two

One

No

Three

Choose an answer

A

A'

U

None of these

More Classes

Other Links

ECAT Mathematics Chapter 2 Set Function and Groups Online Test 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

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