JEE Main 2026 January 29 Shift 1 Answer Key: Download PDF & Detailed Solutions

JEE Main 2026 January 29 Shift 1 Answer Key: Download PDF & Detailed Solutions

Simran KashyapUpdated on 28 Jan 2026, 11:26 PM IST

Candidates can find the answer key for JEE Main January 29 shift 1 in this article. There are several coaching centres and institutions which will release the JEE Main January 29 answer key 2026 online. Applicants can check the JEE Main 2026 January 29 shift 1 answer key link from their official website. The answer key for JEE Main shift 1 will be released in image format. The unofficial answer key of JEE Main will include all the answers to the questions. Students can also check the JEE Main unofficial answer key for all the days and shifts here. The JEE Main 2026 official answer key will be released in February 2026.
Also Check: JEE Main Percentile Calculator 2026 | JEE Main Marks vs Percentile vs Rank 2026

LiveJEE Main 2026 LIVE: NTA to begin session 2 registration soon; shift-wise exam analysisJan 28, 2026 | 10:07 PM IST

For JEE Main 2026 session 2, candidates who passed the Class 12 or equivalent examination in 2023 or earlier are not eligible to appear for JEE Main 2026 session 2. The passing year is counted as the year in which a candidate is declared ‘pass’ for the first time in Class 12. Subsequent attempts, subject additions, or improvement exams will not be considered as a fresh passing year for eligibility purposes.

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This Story also Contains

  1. JEE Main 2026 January 29 Shift 1 Answer Key
  2. JEE Main 2026 January 29 Shift 1 Answer Key- By Coaching Institutes
  3. Calculate Estimated Scores using JEE Main 2026 January 29 Shift 1 answer key
  4. JEE Main 2026 Answer Key Release
JEE Main 2026 January 29 Shift 1 Answer Key: Download PDF & Detailed Solutions
JEE Main 2026 Jan 29 Shift 1 Answer Key PDF

The JEE Mains 2026 is being conducted on January 21, 22, 29, 24, 28, and 29, 2026. The authority will release the JEE Main result 2026 by February. Candidates can find the direct link for the JEE Main January 29 shift 1 answer key 2026 here.

JEE Main 2026 January 29 Shift 1 Answer Key

The NTA will release the JEE Main 2026 answer key in February 2026. The authority will activate the link for the JEE Main answer key on the official website. Candidates will also be provided with an opportunity to challenge the answer key within a specific period of time. Until then, students can check the unofficial answer key shift wise released by the coaching centres and institutes. These include Resonance, Sri Chaitanya, Aakash, Byju's, Naryana, and more.

JEE Main 2026 January 29 Shift 1 Answer Key- By Coaching Institutes

Several coaching institutes will release the JEE Main answer key PDF links for January 29 Shift 1. A few coaching centres are Aakash, VMC, Narayana, and others. Below are the direct links for the JEE Main answer key PDF directly below:

JEE Main 2026 January 29 Shift 1 Answer Key BY Aakash BYJU’s

JEE Main 2026 Question Paper

JEE Main 2026 January 29 Shift 1 Answer Key

Unofficial JEE Main Jan 29 Shift 1 answer key 2026

Jan 29 Shift 1 JEE Mains 2026 answer key PDF download link

JEE Main 2026 January 29 Shift 1 Answer Key By Resonance

JEE Main Subject

JEE Main 2026 January 29 Shift 1 Answer Key

Maths

Jan 29 Shift 1 JEE Mains 2026 Maths answer key

Physics

Jan 29 Shift 1 JEE Mains 2026 Physics answer key

Chemistry

Jan 29 Shift 1 JEE Mains 2026 Chemistry answer key

JEE Main 2026 January 29 Shift 1 Answer Key By Narayana

JEE Main Subject

JEE Main 2026 January 29 Shift 1 Answer Key

Maths

Jan 29 Shift 1 JEE Mains 2026 Maths answer key

Physics

Jan 29 Shift 1 JEE Mains 2026 Physics answer key

Chemistry

Jan 29 Shift 1 JEE Mains 2026 Chemistry answer key

JEE Main 2026 January 29 Shift 1 Answer Key By Sri Chaitanya

JEE Main 2026 Question paper

JEE Main 2026 January 29 Shift 1 Answer Key

Unofficial JEE Main Jan 29 Shift 1 answer key 2026

Jan 29 Shift 1 JEE Mains 2026 answer key PDF download link

Calculate Estimated Scores using JEE Main 2026 January 29 Shift 1 answer key

The NTA has released the JEE Main marking scheme on the brochure. Students can calculate their estimated marks from the making scheme in the exam based on the January 21 shift answer key. Below is the JEE 2026 marking scheme:

Types of Resonance

Marking Scheme

Correct answer

+4 marks awarded

Incorrect answer

-1 marks deducted

No answer

No marks

Marked for review

No marks

JEE Main 2026 Answer Key Release

The National Testing Agency will release the JEE Main answer key in February 2026. Candidates can find the JEE Main answer key 2026 link on the official website, jeemain.nta.nic.in. Students can use the JEE Main answer key 2026 to verify all the answers and estimate their scores in the exam.

JEE Main Syllabus: Subjects & Chapters
Select your preferred subject to view the chapters

Frequently Asked Questions (FAQs)

Q: How was the 28 Jan shift 1 2026?
A:

According to students' given exam, the 28 Jan shift 1 paper was lengthy and candidates were not able to attempt some of the questions.

Q: How was Jan 21 Shift 1 JEE Mains 2026?
A:

The Shift 1 Jan 21 JEE Mains was moderate in difficulty level.

Q: When will the JEE Main session 2 registration start?
A:

The JEE Main session 2 registration will start in the last week of January 2026.

Q: Which IIT is in 7000 rank?
A:

Candidates can get IIT Roorkee, IIT Dhanbad, IIT BHU, and others in 7000 rank.

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JEE Main 28 Jan shift 2 exam will end at 6 PM. The complete analysis and memory-based questions will solution will be updated in the below article. Keep checking the page-

https://engineering.careers360.com/articles/jee-main-2026-january-28-shift-2-question-paper-with-solutions-pdf

Math and Chemistry was difficult and Physics was moderate. The complete analysis is available here- https://engineering.careers360.com/articles/jee-main-2026-january-28-shift-1-question-paper-with-solutions-pdf

You can also check the memory-based questions and detailed solutions for JEE Main Jan 28 shift 1 paper.

HI Manisha Maharana

You can download the JEE Mains 10 Free Mock Test with Detailed solutions. Its a feely downloadable pdf.
https://engineering.careers360.com/download/sample-papers/jee-main-10-full-mock-test-and-explanations-pdf

Also, you can check ad attemp the online mock test on our platform.
https://learn.careers360.com/test-series-jee-main-free-mock-test/



A general equation of a circle is

$
x^2+y^2+2 g x+2 f y+c=0
$

Since it passes through $(0,0)$,

$
c=0
$

So the equation becomes

$
x^2+y^2+2 g x+2 f y=0
$

It cuts the x -axis at ( $a, 0$ ).

Substituting:

$
a^2+2 g a=0
$

g=-a/2