JEE Main 2025 January 28 Question Paper (Shift 2, 1 OUT): Download Answer Key and Solutions PDF

Joint Entrance Exam (JEE) Main 2026 ( JEE Main )

DeskCalelnderRegistration - 1 Feb '26 - 25 Feb '26

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Mamona Majumder
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Updated on Jan 29, 2025 10:40 IST
Candidates can check JEE Main 28 Jan question papers with solutions and answer keys here. The JEE Main January 28 shift 2 and shift 1 question papers with answer key and solution are now available, check below on this page. Check below JEE Main 2025 January 28 question paper, answer key, and solutions.

Get JEE Main 2025 Question Paper, Answer Key, and Solutions for January 28 examination here. The JEE Main answer keys 2025 and question papers made available following  completion of shifts 1 and 2 exams are derived from memory recall of candidates who take exam. The National Testing Agency (NTA) will publish official JEE Main answer key and question papers once all examination shifts and days have concluded.

JEE Main 2025 January 28 Question Paper, Answer Key, Solutions

JEE Main 2025 January 28 Question Paper, Answer Key, Solutions

JEE Main 2025 January 28 Question Paper, Answer Key, Solutions: Candidates can check JEE Main 28 Jan shift 1 and 2 question papers with solutions and answer keys here. The JEE Main January 28 shift 2 and shift 1 question papers with answer key and solution can be downloaded from table below on this page. Following conclusion of each shift of JEE Main 28 January 2025 exam, memory-based JEE Main 2025 answer key and question paper PDFs are being made available for download by various coaching centre experts like Aakash, Sri Chaitanya, Resonance, Allen Kota, etc. Check memory based JEE Main 2025 January 28 answer key and question paper solutions below on this page.

LATEST: JEE Main 2025 January 29 Question Paper, Answer Key & Solutions

NTA will release official JEE Main 2025 answer key and JEE Main 2025 question paper PDFs after exam is over for all days and shifts. JEE Main January session exam was held on January 22, 23 and 24. Day 4 of exam was held today, January 28 and exam will be also held on January 29 and 30. JEE Main 2025 session 1 result is expected to be released by February 12. Check below JEE Main 2025 January 28 question paper, answer key, and solutions.

Also Read:

Table of contents
  • JEE Main 2025 January 28 Question Paper, Answer Key, Solutions PDF by Coaching Centres
  • JEE Main 2025 January 28 Question Paper, Answer Key, Solutions (Shift 2) - OUT
  • JEE Main 2025 January 28 Shift 2 Question Paper Analysis
  • JEE Main 2025 January 28 Question Paper, Answer Key, Solutions (Shift 1) - OUT
  • JEE Main 2025 January 28 Shift 1 Question Paper Analysis - OUT
  • How to Calculate Score Using JEE Main 2025 Answer Key and Question Papers
  • JEE Main 2025 Cutoff to Qualify for JEE Advanced
View More

JEE Main 2025 January 28 Question Paper, Answer Key, Solutions PDF by Coaching Centres

Candidates can check JEE Main 2025 January 28 question paper with solutions and JEE Main 2025 January 28 answer key for shift 1 and 2 exams below:

JEE Main 2025 Question Paper, Answer Key, Solutions by Coaching Centres

Shift 1

Shift 2

Sri Chaitanya

Download here Download Here

Resonance

Physics

Chemistry

Maths

Physics

Chemistry

Maths

Aakash

Download here Download here
Q:   What type of questions are asked in JEE Main?
A:

There are two question types in JEE Main exam. Multiple choice questions and numerical ability questions. In MCQ, every question has 4 options with only 1 correct answer. Select the correct option. In numerical ability question type, no options are there. Solve them and write answer using keyword and mouse.

Q:   How many questions are asked in JEE Main exam?
A:

Paper 1 has 75 questions where Physics Chemistry and Mathematics, each section has 25 questions. Out of 25 questions, 20 are MCQs and five are numerical value questions. You must answer all 5 numerical value-type questions. All 20 multiple-choice questions are compulsory. Complete all 75 questions in 3 hours.

Q:   What is the weightage of chapters in JEE exam?
A:
Physics- 1. Optics 2. Magnetism mixed with mechanics 3. Rotational dynamics 4. Heat and thermodynamics 5 experiments and errors Chemistry - 1. Inorganic Chemistry (most scoring) 2. Organic chemistry 3. Atomic structure (one question for sure) 4. Equilibrium Mathematics - 1. Coordinate geometry (most important parabola) 2. Calculus (application of derivatives most important) 3. Trignometry (was the toughest for me) Most of the questions are usually asked from these topics. Getting a good hold of these topics can get you rank under 1000 in JEE adv. Hope this helps.

JEE Main 2025 January 28 Question Paper, Answer Key, Solutions (Shift 2) - OUT

Candidates can check the JEE Main 2025 January 28 question paper with solution and the JEE Main 2025 January 28 answer key for shift 2 exam below:

📹 Live Question Paper Discussion By Sri Chaitanya

Q:

A: 10

Q:

A: 30

Q:

A: 1

Q:

A: Option 2

Q:

A: 65

Q:
\

A: 675

Q:

 

A: Option 2
Q:

A: Option 3

Q:

A: Option 2

Q:

A: Option 2

Q:

A: 1

Q:

A: 5

Q:

A: Option 3

Q:

A: 33

Q:

A: 20

Q:

A: 15

Q:

A: 12

Q:

A: Option 2

Q:

A: Option 1

Q:

A: +5

Q:

A: Option 3

Q:

A: Sucrose

Q:

A: Option 1

Q:

A: Option 1

Q:

A: 2

Q:

A: 30 m

Q:

A: Option 3

Q:

A: Option 2

Q:

A: Option 3

Q:

A: Option 2

Q:

A: Option 1

Q:

A: Option 2

Q:

A: 1/2

Q:

A: Option 1

Q:

A: Option 4

Q:

A: 32 ml

Q:

A: Option 1

Q:

A: 2/5

Q:

A: Option 1

Q:

A: Option 3

Q:

A: Option 1

Q:

A: Option 4

Q:

A: Option 2

Q:

A: Option 2

Q:

A: Option 2

Q:

A: 5

Q:

A: 5

Q:

A: Option 1

Q:

A: Option 2

Q:

A: Option 3

Q:

A: Z2 / n3

Q:

A: Option 2

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JEE Main 2025 January 28 Shift 2 Question Paper Analysis

As per the initial reaction of the candidates after the JEE Main 28 Jan shift 2 exam:

  • Maths was lengthy and tough.
  • Physics was moderate to difficult. Some questions were very tough.
  • Chemistry was easy to moderate.
  • Overall the exam in shift 2 was Moderate to Difficult in this shift. The exam was easier than the shift 1 exam held today, however, was still difficult as compared to January 22, 23 and 24 exams.
  • Candidates are saying that this is the most difficult shift of the JEE Main 2025 Jan session until now.
  • In Maths, many questions came from topics like: Binomials, Limit, integration, conic, vector & 3D, straight lines, circles, quadratic equations, complex numbers, calculus, matrices and determinants, permutation and combination, and probability.
  • In Chemistry, many questions came from topics like: Biomolecules, Bonding, Coordination compounds, the periodic table, electrochemistry, mole concept, thermodynamics, and radioactivity.
  • In Physics, many questions came from topics like: Ray Optics, Magnetism, SHM, only one question from modern physics, rotation, kinematics, circuit analysis, semiconductor, KTG, gravitation, and current electricity.
Q:   Where can I download JEE Main 2025 April 2 Shift 1 and 2 question paper pdf with solutions?
A:

JEE Main 2025 April 2 question paper shift 1 & 2 is available on Shiksha page. Candidates can download JEE Mains 2nd April question paper shift 1 & 2 from this page to know the correct answers to all the questions asked in the exam.

Q:   Do I need to attempt all the questions in JEE Main exam?
A:

NO, it is compulsory to attempt all questions in the JEE Main exam. The JEE Main exam has negative marking and candidates must answer only those questions for which they know the correct answer. Students must note that there are no minimum marks in JEE Main that students need to score. Students gets All India Rank based on the marks they secure in exam and gets admission based on that rank.

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JEE Main 2025 January 28 Question Paper, Answer Key, Solutions (Shift 1) - OUT

Candidates can check the JEE Main 2025 January 28 question paper with solution and the JEE Main 2025 January 28 answer key for shift 1 exam below:

📹 Live Question Paper Discussion By Sri Chaitanya

Q:

A: Option 1

Q: There are two prisms of refractive indices of 1.54 and 1.72 respectively. If the ray does not deviate after passing through two prisms, then find the prism angle of the second prism if the prism angle of the first prism is 4°.
A: Option 2
Q:

A: Option 2

Q:

A: Option 1

Q:

A: 126

Q:

A: 6

Q:

A: Option 1

Q: How many of the following Ni²+, V²+, Ti²+, Sc³+, Ti3+
A: 2
Q:
JEE
JEE

A: Option 1

Q:
JEE

A: Option 1

Q:
JEE

A: 11mm

Q:
JEE
JEE

A: Option 2

Q:
JEE
JEE
JEE

A: Option 2

Q:
JEE

A: Option 2

Q:
JEE

A: Option 1

Q:
JEE

A: Option 2

Q:
JEE
JEE

A: Option 1

Q:
JEE
JEE

A: Option 3

Q:
JEE

A: Option 2

Q:
jee

A: Option 1

Q:
jee

A: 3

Q:
JEE
JEE

A: Option 2

Q:
JEEMAIN
JEE

A: Option 2

Q:
jeemain

A: Option 1

Q:

A: Option 1

Q: A compound contains 14.4% Carbon, 1.2% Hydrogen and 84.4% Chlorine, calculate the empirical formula mass of the compound. (Molar mass of C = 12, H = 1, CI = 35.5).
A: 84
Q: 1g of a non-electrolyte solute (MW = 256 g/mol) dissolved in 50g of solvent, the freezing point of solution lowered by 0.40 K. Calculate the Molal depression constant of the solvent.
A: 5.12 or 5
Q:

A: Option 2

Q: (Out of JEE Mains syllabus)

A: Option 1

Q: There are 2 bad oranges mixed with 7 good oranges and 2 oranges are drawn at random. Let x be the number of bad oranges. The variance of X is
A: 49/162
Q:

A: Option 4

Q:

A: Option 1

Q:

A: Option 1

Q:

A: A - Q, B - R, C - P, D - S

Q:

A: CH3CH2CH2NO2 and CH3CH2CH2NC

Q:

A: Option 2

Q:

A: Option 2

Q:

A: Option 1

Q:

A: Equivalence relation

Q:

A: 15.66 or 16

Q:

A: 471

Q:

A: Option 2

Q:

A: Option 4

Q:

A: Option 2

Q:

A: Option 1

Q:

A: Option 3

Q:

A: Option 1

Q:

A: √2

Q:

A: 31/3

Q:

A: Option 4

Q:

A: iv < iii < ii < i

Q:

A: 1 > 3 > 2

Q:

A: Option 4

Q:

A: Option 4

Q:

A: 4607

Q:

A: x2 + y2 = constant

Q:

A: 100

Q:

A: Option 4

JEE Main 2025 January 28 Shift 1 Question Paper Analysis - OUT

As per the initial reaction of the candidates after the JEE Main 28 Jan shift 1 exam:

  • Maths was lengthy and tough.
  • Physics was difficult. The questions were very lengthy and no direct questions were asked.
  • Chemistry was easy to moderate and NCERT-based.
  • Overall the exam in shift 1 was Difficult.
  • Candidates are saying that this is the most difficult shift of the JEE Main 2025 Jan session until now.
  • In Maths, many questions came from topics like: Vector and 3D, Special Sequence, Area under the Curve, Differential Equations, Matrices, Probability, Conic Section.
  • In Chemistry, many questions came from topics like: Salt, the periodic table, and ionisation energy comparison. Most questions were from inorganic and the least number of questions were from organic.
  • In Physics, many questions came from topics like: Rotation, Moment of Inertia, Modern Physics, Resistance, Semiconductor, Fluid Mechanics, Potential, Cector, Electricity, Carnot Engine.

How to Calculate Score Using JEE Main 2025 Answer Key and Question Papers

To calculate your score using the JEE Main 2025 answer key after the exam, follow these steps:

  1. Download the JEE Main 2025 answer key along with the question paper solutions.
  2. Review the questions you attempted in the exam and determine how many you answered correctly and incorrectly. Keep in mind that the answer key provided is memory-based, so there may be some discrepancies.
  3. After evaluating your responses, apply the JEE Main 2025 marking scheme to calculate your total score for the Session 1 exam.

JEE Main 2025 marking scheme: Add 4 marks for each correct answer and deduct 1 mark for each incorrect answer.

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JEE Main 2025 Cutoff to Qualify for JEE Advanced

Candidates aiming for admission to the IITs must meet the minimum JEE Main 2025 percentile score to be eligible for the JEE Advanced 2025 exam. The required minimum marks to qualify for JEE Advanced will be released along with the final JEE Main 2025 result, which is after the Session 2 result. Until the official cutoff and final result for JEE Main 2025 are announced, candidates can refer to the previous year’s cutoff below:

Category

2024

2023

2022

2021

2020

2019

General

93.2362181

90.7788642

88.4121383

87.8992241

90.3765335

89.7548849

OBC-NCL

79.6757881

73.6114227

67.0090297

68.0234447

72.8887969

74.3166557

SC

60.0923182

51.9776027

43.0820954

46.8825338

50.1760245

54.0128155

ST

46.6975840

37.2348772

26.7771328

34.6728999

39.0696101

44.3345172

GEN-EWS

81.3266412

75.6229025

63.1114141

66.2214845

70.2435518

78.2174869

Gen-PwD

0.0018700

0.0013527

0.0031029

0.0096375

0.0618524

0.1137173

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