100 Marks in JEE Mains Percentile: Score vs Percentile and Expected Ranks

Vaishali Pandey
Updated On:
Feb 12, 2025

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Students often have questions about the relationship between marks and percentile in JEE Mains. Are you looking for 100 marks in JEE Mains Percentile to determine your rank in JEE Mains 2025? 

To address this, a detailed analysis of JEE Mains marks vs. percentile is provided to help candidates estimate their most likely percentile based on their scores. 

By the end of this blog, you will know

  • The exam pattern and marking scheme of JEE Mains.
  • The percentile you can expect at 100 marks.
  • Detailed insights on the normalisation procedure and the guidelines to break a tie between two students in the rankings.

Exam Pattern for JEE Mains 2025 

Now let us learn more about the exam pattern of the JEE Mains 2025 question paper: 

Category

Details

Total Duration

3 hours

Total Marks in JEE Mains B Tech

300 marks

Subjects

Physics, Chemistry, and Mathematics

Structure

Each subject has two sections: Section A and Section B

Section A

20 Multiple Choice Questions (MCQs) per subject

Section B

10 subjective questions are provided per subject; attempt any 5

Marking Scheme

- Correct answer: Full marks awarded

- Incorrect answer: Penalty of -1 mark

- Unanswered questions: No marks awarded

Check out the JEE Mains Exam Pattern and syllabus in detail and boost your preparation! 

Marking Scheme for JEE Mains 2025

Students need to learn about the marking scheme of the JEE Mains 2025 question paper to be able to understand the 100 marks in JEE Percentile and its rank. Here is the marking scheme: 

Section

Marking Scheme

Subject

No. of Questions

Total Questions

Section A

Correct: +4, Wrong: -1

Physics

20

30 (attempt any 25)

Section B

Correct: +4, No penalty (0)

Physics

10 (attempt any 5)

Section A

Correct: +4, Wrong: -1

Chemistry

20

30 (attempt any 25)

Section B

Correct: +4, No penalty (0)

Chemistry

10 (attempt any 5)

Section A

Correct: +4, Wrong: -1

Mathematics

20

30 (attempt any 25)

Section B

Correct: +4, No penalty (0)

Mathematics

10 (attempt any 5)

Total

Maximum Marks: 300

All Subjects

60

90 (attempt any 75)

If you are new to JEE Mains, check out this comprehensive guide to JEE Mains and understand the exam thoroughly.

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90 Percentile in JEE Mains January 2025: Marks Breakdown

Before the JEE Mains results are released, candidates often want to estimate their chances of securing a seat at their preferred college, and hence, they ask for 90 percentile means how many marks. Based on past trends, the expected marks for achieving 90 percentile in JEE Mains January 2025 have been analysed. 100 Marks in JEE Mains Percentile corresponds to the 90th percentile approximately. Let’s have a look at the expected score vs percentile: 

Percentile

Easy Paper

Moderate Paper

Tough Paper

90.9 Percentile

128.5+

94.8+

81.8+

90.8 Percentile

127.9+

94.3+

81.2+

90.7 Percentile

127.4+

93.8+

80.6+

90.6 Percentile

126.8+

93.3+

80.1+

90.5 Percentile

126.3+

92.8+

79.5+

90.4 Percentile

125.7+

92.3+

78.9+

90.3 Percentile

125.2+

91.8+

78.4+

90.2 Percentile

124.6+

91.3+

77.8+

90.1 Percentile

124+

90.8+

77.2+

90 Percentile

123.5+

90.3+

76.7+

Marks Required for 90 Percentile: Subject-Wise

Now that you know that based on past year trends, the 90th percentile corresponds to 100 marks in JEE Mains Percentile, let’s look at the marks in each subject needed: 

Subject

Marks for 90 Percentile

Marks for 90.5 Percentile

Physics

55+ Marks

56+ Marks

Chemistry

42+ Marks

56+ Marks

Mathematics

26+ Marks

27.5+ Marks

This data helps candidates predict their performance based on difficulty levels and subject-wise scoring trends.

You can also check out the JEE Mains chapter-wise weightage and focus on more important topics to reach the 100 marks in JEE Mains percentile. 

100 Marks in JEE Mains Percentile 2025

Aspirants of JEE Mains can now understand what scoring 100 marks in JEE Mains Percentile comes out to be. According to past year trends, candidates obtaining 100 marks in JEE Mains can expect a 93 percentile.

 However, it’s important to note that the relationship between JEE Mains marks and percentile varies each year due to factors like the exam's difficulty level, the number of candidates, and the performance of test-takers.

100 Marks in JEE Mains Percentile: Ranks 

In addition to percentile, candidates can check their expected rank corresponding to their JEE Mains marks. Below is a table to understand 100 Marks in JEE Mains Percentile and the corresponding ranks:

Marks (out of 300)

Rank

110–119

54,293–44,115

102–109

65,758–55,269

95–101

76,260–66,999

89–94

87,219–78,111

Is 100 Marks a Good Score in JEE Mains 2025? 

Scoring 100 marks in JEE Mains is considered good for reserved categories. However, achieving the 93rd percentile is not sufficient for general-category candidates to be admitted into top programs or institutes.

  • Candidates with the 93 percentile may still qualify for admission into some IIITs and GFTIs, depending on their category and course preference.
  • Admission to popular courses like Computer Science is unlikely at this score.
  • Candidates with 100 marks can secure admission to branches such as Civil, Mechanical, or Power Engineering at government institutes.

For competitive branches and institutions, higher scores are essential.

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JEE Mains 2025 Expected Cutoff 

The JEE Mains 2025 cutoff for JEE Advanced will be announced by the NTA after both sessions of the exam are completed. The first session of JEE Mains 2025 began today, with exams scheduled to continue on January 23, 24, 28, 29, and 30.

 

The second session will be held from April 1 to 8, with registrations for Session 2 starting on January 31. The cutoff for JEE Advanced, along with the Session 2 results, will be released by April 17, and the All India Rank (AIR) for JEE Mains 2025 will also be published at that time. The result for the January session is expected to be announced by February 12.

The expected cutoff ranges for JEE Mains 2025 based on different categories are as follows:

Category

Expected Cutoff Range

CRL (Common Rank List)

100.0000000 to 92.3362181

OBC-All

92.2312696 to 79.6457881

SC-All

92.2312696 to 62.0923182

ST-All

92.2312696 to 47.6975840

UR-PwD

92.2041331 to 0.0015700

These cutoff ranges indicate the minimum and maximum percentile required for candidates to qualify based on their respective categories.

Significance of Percentile in JEE Mains 2025 

The JEE Mains percentile score measures an applicant's performance relative to all other test-takers, distinguishing it from a percentage score or raw marks. It reflects the percentage of candidates who scored less than or equal to a specific score in the exam. 

Understanding the normalisation process and the tiebreaker rules used to calculate the JEE Mains marks and percentiles is crucial for estimating ranks before the official results.

In addition to knowing their percentile score, students must understand how ranks are assigned based on their percentile.

JEE Mains Score vs Percentile

The JEE Mains 2025 marks vs percentile table helps candidates estimate their approximate percentile range for a given score. The table below provides an estimated comparison between JEE Mains 2025 scores and corresponding percentiles:

JEE Mains 2025 Score

JEE Mains 2025 Percentile

300–281

100 – 99.99989145

271–280

99.994681 – 99.997394

263–270

99.990990 – 99.994029

250–262

99.977205 – 99.988819

241–250

99.960163 – 99.975034

231–240

99.934980 – 99.956364

221–230

99.901113 – 99.928901

211–220

99.851616 – 99.893732

201–210

99.795063 – 99.845212

191–200

99.710831 – 99.782472

181–190

99.597399 – 99.688579

171–180

99.456939 – 99.573193

161–170

99.272084 – 99.431214

151–160

99.028614 – 99.239737

141–150

98.732389 – 98.990296

131–140

98.317414 – 98.666935

121–130

97.811260 – 98.254132

111–120

97.142937 – 97.685672

101–110

96.204550 – 96.978272

91–100

94.998594 – 96.064850

81–90

93.471231 – 94.749479

71–80

91.072128 – 93.152971

61–70

87.512225 – 90.702200

51–60

82.016062 – 86.907944

41–50

73.287808 – 80.982153

31–40

58.151490 – 71.302052

21–30

37.694529 – 56.569310

11–20

13.495849 – 33.229128

0–10

0.8435177 – 9.6954066

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JEE Mains 2025 Percentile vs Ranks 

The percentile vs rank in JEE Mains 2025 depends on factors such as the number of candidates, exam difficulty, and past trends. Below is a detailed table showing the expected rank range corresponding to each percentile range:

JEE Mains 2025 Percentile

JEE Mains 2025 Rank

100 - 99.99989145

1 - 20

99.994681 - 99.997394

24 - 80

99.990990 - 99.994029

55 - 83

99.977205 - 99.988819

85 - 210

99.960163 - 99.975034

215 - 367

99.934980 - 99.956364

375 - 599

99.901113 - 99.928901

610 - 911

99.851616 - 99.893732

920 - 1367

99.795063 - 99.845212

1375 - 1888

99.710831 - 99.782472

1900 - 2664

99.597399 - 99.688579

2700 - 3710

99.456939 - 99.573193

3800 - 5003

99.272084 - 99.431214

5100 - 6706

99.028614 - 99.239737

6800 - 8949

98.732389 - 98.990296

9000 - 11678

98.317414 - 98.666935

11800 - 15501

97.811260 - 98.254132

15700 - 20164

97.142937 - 97.685672

20500 - 26321

96.204550 - 96.978272

26500 - 34966

94.998594 - 96.064850

35000 - 46076

93.471231 - 94.749479

46500 - 60147

91.072128 - 93.152971

61000 - 82249

87.512225 - 90.702200

83000 - 115045

82.016062 - 86.907944

117000 - 165679

73.287808 - 80.982153

166000 - 246089

58.151490 - 71.302052

264383 - 385534

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JEE Mains Normalisation Formula 

The National Testing Agency (NTA) uses a normalisation formula to calculate the percentile scores of candidates in each subject—Mathematics, Physics, and Chemistry—as well as the overall score. Here are the key points of the normalisation process:

1. Highest Scores Equal 100 Percentile

The highest raw score in each session is assigned a perfect percentile score of 100, which serves as the benchmark.

2. Use of Percentile for Merit List

The percentile scores are used to prepare the JEE Mains merit list, ensuring fairness across sessions with varying difficulty levels.

3. Precision in Percentile Calculation

Percentile scores are calculated up to seven decimal places to minimise ties between candidates scoring the same raw marks.

4. Definition of Percentile Score

The percentile score represents the percentage of candidates who scored equal to or lower than a particular score in the exam. It is measured on a scale of 100 to 0 for each session.

5. Normalisation After Raw Scores

A candidate’s percentile score is determined only after the normalisation process is applied to the raw marks obtained in the exam.

This approach ensures fairness and standardisation across multiple shifts of the exam, where the difficulty level may vary.

If you have scored a good percentile and are now looking for the top colleges in your city, you should check out the best engineering colleges in Karnataka

Guidelines to Break a Tie in JEE Mains 2025 

In cases where two or more candidates achieve the same percentile score in JEE Mains 2025, the following tie-breaking rules will be applied to determine the inter-se merit:

1. Higher Percentile in Mathematics

The candidate with a higher percentile score in Mathematics will be ranked higher.

2. Higher Percentile in Physics

If the tie persists, the candidate with a higher percentile score in Physics will be given a higher rank.

3. Higher Percentile in Chemistry

If the tie still exists, the candidate with a higher percentile score in Chemistry will be ranked higher.

4. Age Preference

If the tie remains unresolved, the older candidate will be given priority.

This systematic process ensures fairness and consistency in rank allocation.

Now that you have figured out the 100 marks in JEE Mains percentile and the expected percentile for your scores, it is time to start planning for higher education. 

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FAQS on 100 Marks in JEE Mains Percentile

What is the expected percentile for 100 marks in JEE Mains 2025?

Scoring 100 marks in JEE Mains percentile typically corresponds to around 93 percentile.

Can I qualify for JEE Advanced with 100 marks in JEE Mains percentile?

Yes, candidates with 100 marks in JEE Mains percentile may qualify for JEE Advanced, depending on the cutoff for their category.

Is 100 marks in JEE Mains percentile enough for NIT admission?

Admission to top NITs with 100 marks in the JEE Mains percentile is unlikely for the General category, but it is possible for reserved categories in lower-demand branches.

What is the rank for 100 marks in JEE Mains percentile?

With 100 marks in JEE Mains percentile, candidates can expect a rank between 35,000 and 50,000, depending on session difficulty and the number of candidates.

How is the percentile calculated for 100 marks in JEE Mains?

The 100 marks in JEE Mains percentile are calculated using normalisation, which accounts for variations in difficulty across multiple exam shifts.

What branches are available with 100 marks in JEE Mains percentile?

Candidates with 100 marks in JEE Mains percentile may secure admission in branches like Civil, Mechanical, or Electrical Engineering at some GFTIs or IIITs.

What is the difference between raw marks and 100 marks in JEE Mains percentile?

Raw marks are your actual scores, while 100 marks in JEE Mains percentile indicate how you performed relative to other candidates.

Is 100 marks in JEE Mains percentile a good score?

Scoring 100 marks in JEE Mains percentile is considered average and might qualify for JEE Advanced or admission to lesser-known institutes.

How many candidates score 100 marks in JEE Mains percentile annually?

Typically, candidates scoring 100 marks in JEE Mains percentile fall in the top 7–10% of the total test-takers.

Can I improve my 100 marks in JEE Mains percentile in the next session?

Yes, candidates can improve their scores by focusing on weak areas and retaking the exam, as the best score from multiple attempts is considered.

How does session difficulty affect 100 marks in JEE Mains percentile?

The difficulty level of a session affects the percentile for 100 marks in JEE Mains, as the normalisation process adjusts scores accordingly.

What are the options if I score 100 marks in JEE Mains percentile but don’t qualify for JEE Advanced?

Candidates with 100 marks in JEE Mains percentile can explore admissions into state-level engineering colleges or private institutes.

Can I get an IIIT with 100 marks in JEE Mains percentile?

Admission to IIITs with 100 marks in JEE Mains percentile is possible for reserved categories but less likely for the General category.

How does normalisation impact 100 marks in JEE Mains percentile?

Normalisation adjusts scores based on the session difficulty, ensuring fairness in assigning 100 marks in JEE Mains percentile.

What is the subject-wise score required to achieve 100 marks in JEE Mains percentile?

To achieve 100 marks in JEE Mains percentile, candidates should aim for approximately 40-45 marks in Physics, Chemistry, and Mathematics each.

How does 100 marks in JEE Mains percentile vary by session?

The percentile scores for 100 marks in the JEE Mains may vary slightly across sessions due to normalisation and the performance of other candidates.

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