Mathematics · JEE

One-one, into and onto functions MCQs for JEE

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One-one, into and onto functions JEE MCQs on Goodmarks include 13+ multiple-choice questions with correct answers and step-by-step solutions. Attempt free samples below or unlock the full bank with Pro.

Master One-one, into and onto functions through exam-style multiple-choice questions. This page features 13+ JEE MCQs covering One-one, into and onto functions, each with verified answers and clear explanations.

Syllabus context

Part of Sets, Relations and Functions in JEE Main Mathematics.

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Q1MathsUnit 1: Sets, Relations and Functions

\mathbf{f}:[\mathbf{0}, \infty) \rightarrow[\mathbf{0}, \infty),

and

\mathbf{f}(\mathbf{x})=\frac{\mathbf{x}}{\mathbf{1}+\mathbf{x}}

then

\boldsymbol{f}

Q2MathsUnit 1: Sets, Relations and Functions

Let

\boldsymbol{f}: \boldsymbol{R} \rightarrow \boldsymbol{R}

where

\boldsymbol{f}(\boldsymbol{x})=\boldsymbol{2}^{|\boldsymbol{x}|}-\boldsymbol{2}^{-\boldsymbol{x}}

then

f(x)

Q3MathsUnit 1: Sets, Relations and Functions

The function

\boldsymbol{f}:(-\infty,-1) \rightarrow\left(\mathbf{0}, e^{5}\right]

defined by

f(x)=e^{x^{3}-3 x+2}

Q4MathsUnit 1: Sets, Relations and Functions

If a function

\boldsymbol{f}:(2, \infty) \rightarrow \boldsymbol{B}

defined by

f(x)=x^{2}-4 x+5

is a bijection, then

\boldsymbol{B}=

Q5MathsUnit 1: Sets, Relations and Functions

Let

\boldsymbol{A}=\{\boldsymbol{x}, \boldsymbol{y}, \boldsymbol{z}\}, \boldsymbol{B}=\{\boldsymbol{a}, \boldsymbol{b}, \boldsymbol{c}\}

and

\boldsymbol{f}

A \rightarrow B

be defined by

f(x)=a, f(y)=

\boldsymbol{b}, \boldsymbol{f}(\boldsymbol{z})=\boldsymbol{c} .

This function is

Q6MathsUnit 1: Sets, Relations and Functions

f(A)

is a proper subset of

B

, then

f

A \rightarrow B

is called a/an

\ldots \ldots . .

function

Q7MathsUnit 1: Sets, Relations and Functions

An identity function is a?

Q8MathsUnit 1: Sets, Relations and Functions

\boldsymbol{f}: \boldsymbol{Q} \rightarrow \boldsymbol{Q}

is defined by

\boldsymbol{f}(\boldsymbol{x})=\mathbf{1 5} \boldsymbol{x}+\mathbf{7}

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Frequently asked questions

What type of One-one, into and onto functions MCQs appear in JEE?

JEE Main tests One-one, into and onto functions through conceptual and numerical MCQs. Goodmarks mirrors this format with four-option questions and detailed solutions.

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