Question # 1

A biconditional is written in symbols as:

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{2, 4, 6, 8, ...........} represents the set of:

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positive odd numbers

natural numbers

prime numbers

positive even numbers

The objects in a set are called:

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elements

sub-sets

whole numbers

overlapping sets

Inverse of an element in a group is:

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infinite

finite

unique

not possible

A set containing finite number of elements is called:

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nullset

superset

finiteset

infiniteset

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A

B

S = {1, -1, 2, -2} is a group under:

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multiplication

subtraction

addition

none of these

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

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

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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

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The ordered pairs (4, 5) and (5, 4) are:

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same

different

both a and b

N

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A

B

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

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A is superset of B

B is superset of A

A is subset of B

A is equivalent to B

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

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2

8

16

4

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

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disjoint

over lapping

dissimilar

exhaustive

A - B is a subset of:

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A

B

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{1, 2, 3}

{5, 6, 7}

{4}

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

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