# Mathematics MCQs Chapter 2

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Ch 2 Sets, Functions and Groups

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Which of the following is not a binary operation :

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An onto function is also called:

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A compound proposition which is always true is called:

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A compound proposition which is always wrong is called:

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

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. Truth set of a tautology is

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The set of odd numbers between 1 and 9 are

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Every function is:

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A set is a collection of objects which are

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Inverse of a line is :

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

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

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Inverse of any element of a group is:

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A diagram which represents a set is called______

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The graph of linear function is :

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Squaring a number is a:

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The set of odd numbers between 1 and 9 are

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? ∪ ? = ? ∩ ? then ? is equal to

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? → ? is called converse of

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Inverse of any element of a group is:

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A diagram which represents a set is called______

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Which of the following is true:

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A set is a collection of objects which are

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If ? ⊆ ? then ?(? ∩ ?) =

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

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

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The graph of linear function is :

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Every recurring non terminating decimal represents

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Squaring a number is a:

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If ? ∈ ?′ = ? − ? then

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

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

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Identity element in (?, . ) is:

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

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Every function is:

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If ? ∈ ? ∪ ? then