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Important Questions

Relations and Functions

CBSE · Class 11 · Mathematics

Most important questions from Relations and Functions for CBSE Class 11 Mathematics board exam 2026. MCQs, short answer, and long answer questions with marks.

136 questions56 flashcards5 concepts

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136 Questions·
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Sample Questions

1multiple choice

What makes a relation a function?

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Every element in the domain has exactly one image

A function requires that each element in the domain maps to precisely one element in the codomain

2multiple choice

What is the symbol used to represent a function from set A to set B?

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f: A → B

The notation f: A → B represents a function f that maps elements from set A to set B

3multiple choice

For the function f(x) = x², what is f(3)?

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9

For f(x) = x², when x = 3, the result is 3² = 9

4multiple choice

What is the range of a relation?

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The set of second elements in ordered pairs

Range is the collection of second elements in the ordered pairs of a relation

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Frequently Asked Questions

What are the important topics in Relations and Functions for CBSE Class 11 Mathematics?
Key topics in Relations and Functions include Relations and Functions – Complete Concept Map, Relations and Functions - Full Chapter Concept Hierarchy, Relations and Functions — Complete Concept Map. These are the concepts CBSE Class 11 examiners draw on most — study them first, then practise related questions.
How to score full marks in Relations and Functions — CBSE Class 11 Mathematics?
Understand the core concepts first, then work through the 136 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Relations and Functions?
There are 136 practice questions available for Relations and Functions. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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