Question # 1

Which of the following is the subset of all sets?

Choose an answer

A function whose range is just one elements is called

Choose an answer

One-one function

Constant function

Onto function

Identity function

Choose an answer

A onto B

both a & c

A into B

none of these

The number of subsets of a set having three elements is

Choose an answer

4

6

8

none of these

For a set A, A∪Ac= ---------------------

Choose an answer

A

∅

Ac

U

{x : xε Z and x < 1} is

Choose an answer

Singleton set

A set with two points

Empty set

None of these

If S = {3,6,9,12.......}, then

Choose an answer

S = Four multiples of 3

S = Set of even numbers

S = Set of prime numbers

S = All multiples of 3

The set {{a,b}} is

Choose an answer

Infinite set

Singleton set

Two points set

None

If n(A) = n then n(P(A)) is

Choose an answer

2n

n²

n/2

2ⁿ

Write down the power set of {9, 11}

Choose an answer

A

B

U

None of these

For any set B, BUB' is

Choose an answer

Is set B

Set B'

Universal set

None of these

If the intersection of two sets is non-empty, but either is a subset of other are called

Choose an answer

Disjoint sets

Over lapping

Equal sets

None of these

Which of the following sets is finite

Choose an answer

The set of natural numbers between 3 and 10

The set of rational numbers between 3 and 10

The set of real numbers between 0 and 1

The set of rational numbers between 0 and 1

The number of subset of {0} is

Choose an answer

1

2

3

None

Choose an answer

Natural numbers

Whole numbers

Integers

Rational numbers

The contra positive of p → q is

Choose an answer

q → p

~q→~q

~p→~q

None of these

The set of the first elements of the orders pairs forming a relations is called its

Choose an answer

Relation in B

Range

Domain

Relation in A

If #n = (n-5)²+ 5, then find #3 x #4.

Choose an answer

54

12

4

9

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

The set {Z\{0}} is group w.r.t

Choose an answer

Addition

Multiplication

Division

Subtraction

The multiplicative inverse of x such that x = 0 is

Choose an answer

-x

does not exist

1/x

0

Choose an answer

Singleton set

A set with two points

Empty set

None of these

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

Choose an answer

Two

One

No

Three

The negation of a number

Choose an answer

a relation

a function

unary operation

binary operation

The statement that a group can have more than one identity elements is

Choose an answer

True

False

Fallacious

Some times true

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

Choose an answer

One-one function

Constant function

Onto function

Quadratic function

The set Q

Choose an answer

Forms a group under addition

Does not form a group

Contains no additive indentity

Contains no additive inverse

More Classes

Other Links

ECAT Pre General Science Mathematics Chapter 2 Set, Functions 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