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Maths Relations and Functions Class 12 MCQ Questions

NCERT Exemplar MCQ Quiz · Class 12 · Maths · CBSE

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Chapter 1 Class 12 Relation and Functions | 7 questions | about 6 minutes

Practise Relations and Functions Class 12 with Teachoo's NCERT Exemplar MCQ Quiz (Class 12 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 7
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Question 1 of 7
NCERT Exemplar
Let T be the set of all triangles in the Euclidean plane, and let a relation R on T be defined as \(a \mathrm{R} b\) if \(a\) is congruent to \(b \forall a, b \in \mathrm{~T}\). Then R is
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Question 2 of 7
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Let \(f: \mathbf{R} \rightarrow \mathbf{R}\) be defined by \(f(x)=\frac{1}{x} \forall x \in \mathbf{R}\). Then \(f\) is
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Question 3 of 7
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If the set A contains 5 elements and the set B contains 6 elements, then the number of one-one and onto mappings from A to B is
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Question 4 of 7
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Let \(\mathrm{A}=\{1,2,3\}\) and consider the relation
$$ R=\{1,1),(2,2),(3,3),(1,2),(2,3),(1,3)\} . $$
Then \(R\) is
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Question 5 of 7
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Let \(f: \mathbf{N} \rightarrow \mathbf{R}\) be the function defined by \(f(x)=\frac{2 x-1}{2}\) and \(g: \mathbf{Q} \rightarrow \mathbf{R}\) be another function defined by \(g(x)=x+2\). Then \((g \circ f) \frac{3}{2}\) is
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Question 6 of 7
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The maximum number of equivalence relations on the set \(\mathrm{A}=\{1,2,3\}\) are
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Question 7 of 7
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Let \(\mathrm{A}=\{1,2,3, \ldots n\}\) and \(\mathrm{B}=\{a, b\}\). Then the number of surjections from A into \(B\) is
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This NCERT Exemplar MCQ Quiz covers Relations and Functions Class 12 for Class 12 · Maths · CBSE. Practise the questions in the interactive quiz and check your answers.

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