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Maths Relations and Functions Class 11 MCQ and Assertion Questions

10 Question MCQ (including Assertion) · Class 11 · Maths · CBSE

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Chapter 2 Class 11 Relations and Functions | 10 questions | about 8 minutes

Practise Relations and Functions Class 11 with Teachoo's 10 Question MCQ (including Assertion) (Class 11 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 10
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Question 1 of 10
Assertion (A): If \(n(A)=4\), then \(n(A\times A)=16\).
Reason (R): For every finite set \(A\), \(n(A\times A)=2n(A)\).
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Question 2 of 10
A software model uses \[ f(x)=\frac{x^2+3x+5}{x^2-5x+4}. \] Which set is the correct domain?
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Question 3 of 10
Assertion (A): The range of the fractional part function \(f(x) = x - [x]\) is the half-open interval \([0, 1)\).

Reason (R): The function \(g(x) = [x]\) (greatest integer function) always outputs integer values, making its range the set of integers \(\mathbb{Z}\).
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Question 4 of 10
Assertion (A): The relation \(R=\{(2,2),(2,4),(3,3)\}\) is a function from \(\{2,3\}\) to \(\{2,3,4\}\).
Reason (R): The domain element \(2\) has two different images, \(2\) and \(4\).
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Question 5 of 10
Assertion (A): The range of the constant function \(f(x) = 5\) for all real \(x\) is the singleton set \(\{5\}\).

Reason (R): A constant function \(f(x) = c\) maps all elements of its domain to the same single constant value \(c\).
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Question 6 of 10
If \[ A\times B=\{(p,1),(p,2),(q,1),(q,2)\}, \] then \(A\) and \(B\) are respectively
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Question 7 of 10
Assertion (A): For every relation from a set \(A\) to a set \(B\), its range is a subset of its codomain.
Reason (R): The domain of a relation is the set of all first components of its ordered pairs.
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Question 8 of 10
A temperature sensor uses \[ F=\frac{9C}{5}+32. \] When the display shows \(95^\circ\text{F}\), the corresponding Celsius temperature is
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Question 9 of 10
For the signum function, which statement is correct?
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Question 10 of 10
Assertion (A): If \((x+1,\,y-2)=(3,1)\), then \(x=2\) and \(y=3\).
Reason (R): In general, \(A\times B\neq B\times A\).
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This 10 Question MCQ (including Assertion) covers Relations and Functions Class 11 for Class 11 · Maths · CBSE. Practise the questions in the interactive quiz and check your answers.

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