Question # 1

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A

B

A groupoid (S) is called __________ if it is associative in S:

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group

abelian-group

semi-group

associative-group

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B

A

none of these

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set builder notation

tabular form

descriptive method

non-set builder method

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A statement which is true for all possible values of the variables involved in it, is called a:

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tautology

conditional

implication

absurdity

Truth table containing all the values true is called:

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absurdity

conjunction

tautology

none

A set is defined as:

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collection of some objects

well defined collection of some objects

well defined collection of distinct objects

none of these

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A and B are power sets

A and B are disjoint sets

A and B are super sets

A and B are equal sets

If two sets have no element common, they are called:

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disjoint

over lapping

dissimilar

exhaustive

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The conjunction of two statements p and q is denoted by:

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2

4

6

8

The identity element in a group is:

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unique

inifinite

both a and b

not possible

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A

B

If n(S) = 3 then n {P(S)} =

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2

8

16

4

If set A = {1, 2, 3} and B = {1, 2, 3} then sets A and B are:

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not equal

equal

disjoint

overlapping

If a set is described in words, the method is called:

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tabular form

descriptiveform

set builder notation

non-tabular method

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p is false and q is true

both p and q are false

p is true and q is false

both p and q are true

If W = {0, 1, 2, 3, 4, ........}, N = {1, 2, 3, 4 ...........} then N - W = ?

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W

{0}

none of these

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