NET Mathematics Practice MCQs Chapter 2


226
Created on By Ali Durrani

Ch 2 Sets, Functions and Groups

1 / 44

? ∪ ? = ? ∩ ? then ? is equal to

2 / 44

Inverse of any element of a group is:

3 / 44

The set of odd numbers between 1 and 9 are

4 / 44

If ? ⊆ ? then ?(? ∩ ?) =

5 / 44

An onto function is also called:

6 / 44

Set of integers is a group ?. ?. ?

7 / 44

Which of the following is true:

8 / 44

If ? and ? are disjoint sets , then ? ∩ ? =

9 / 44

A compound proposition which is always neither true nor false is called:

10 / 44

. If ? and ? are disjoint sets then :

11 / 44

For the propositions ? and ?, (? ∧ ?) → ? is:

12 / 44

The symbol which is used to denote negation of a proposition is

13 / 44

Identity element in (?, . ) is:

14 / 44

Which of the following is not a binary operation :

15 / 44

If ? = √?, ? ≥ ? is a function, then its inverse is :

16 / 44

For the propositions ? and ? , ? → (? ∨ ?) is:

17 / 44

If ? = √? , ? ≥ ? is a function, then its inverse is:

18 / 44

Inverse of a line is :

19 / 44

Which of the following is true:

20 / 44

If ? = { } , then order of set ? is:

21 / 44

A set is a collection of objects which are

22 / 44

. Truth set of a tautology is

23 / 44

R − {?} is a group ?. ?. ? the binary operation

24 / 44

In a proposition if ? → ? ???? ? → ? is called

25 / 44

A (? − ?) function is also called:

26 / 44

Every function is:

27 / 44

Every recurring non terminating decimal represents

28 / 44

The function ? = {(?, ?), ? = ?} is :

29 / 44

A compound proposition which is always wrong is called:

30 / 44

Total number of subsets that can be formed from the set {?, ?, ?} is

31 / 44

. If set ? has 2 elements and ? has 4 elements , then number of elements in ? × ? is :

32 / 44

If ? ⊆ ?, then ?(? − ?) is equal to:

33 / 44

The set of non-zero real numbers ?. ?. ? multiplication is:

34 / 44

35 / 44

If ? ∈ ? ∪ ? then

36 / 44

The graph of linear function is :

37 / 44

The number of all subsets of a set having three elements is:

38 / 44

If ? ∈ ?′ = ? − ? then

39 / 44

A diagram which represents a set is called______

40 / 44

A compound proposition which is always true is called:

41 / 44

Which of the following is true:

42 / 44

? → ? is called converse of
(a)  (b)  (c)  (d) ~? → �

43 / 44

If ? = ? then ?(?) =

44 / 44

Squaring a number is a:

Your score is

The average score is 63%

0%





Kindly share MCQs Explanations or Recommendations Here

Open chat
Salam
Can we help you?