Home Maths Functions, Limits, Continuity and Differentiability JEE Main 2019 - ( Functions ) Let N be the set of natural numbers and two …
Maths Functions, Limits, Continuity and Differentiability JEE Main 2019 - ( Functions ) Single Correct MCQ
Published on: August 14, 2026

Let N be the set of natural numbers and two functions and be defined as such that

and . Then is:

A
onto both not one-one
B
one-one but not onto.
C
both one-one and onto.
D
neither one-one nor onto.

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Verified by Experts
The correct answer is:
A

JEE Main 2019

Then,

is onto but not one-one.

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