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
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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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.
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.
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 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 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 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 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 |
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 |
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.
Frequently Asked Questions (FAQs)
According to students' given exam, the 28 Jan shift 1 paper was lengthy and candidates were not able to attempt some of the questions.
The Shift 1 Jan 21 JEE Mains was moderate in difficulty level.
The JEE Main session 2 registration will start in the last week of January 2026.
Candidates can get IIT Roorkee, IIT Dhanbad, IIT BHU, and others in 7000 rank.
On Question asked by student community
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-
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 Lucky,
Please refer to this link and you can download the free pdf.
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
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