JEE Main is held every year by Joint Seat Allocation Authority (JoSAA). Every year, approximately 15,00,000 candidates appear in the examination out of which only 2,00,000 candidates qualify for JEE Advanced through which the aspirants can get admissions in the prestigious Indian Institutes of Technology (IITs). This means that JEE Main is the qualifying examination for JEE Advanced. Also, through JEE Main, the candidates can get admissions in National Institutes of Technology (NITs), Indian Institutes of Information Technology (IIITs), and Government Funded Technical Institutes (GFTIs). The aspirants must read the below brief JEE Main 2017-18 Paper Analysis which may help the candidates to qualify JEE Main 2020 Examination. (<<<click here for JEE Main 2020 complete information)
Understanding JEE Main 2017-18 Paper Analysis
Contents
Paper Analysis means understanding how the paper is evolving over the years and making a prediction as to how the next year’s paper will come. The paper analysis of previous years’ question papers help the aspirants in scoring high in the upcoming examination. For JEE Main 2018, the candidates need to analyze the question papers of JEE Main from the year 2013 to 2017.
Concepts in JEE Main Paper Every Year
The questions in the papers every year have come from a universe which consists of 1,750 concepts. This means that 30% of the concepts are in the definitive list of being important.
| Name of Examination | Number of Concepts in the Universe | Number of New Concepts Introduced | Percentage of New Concepts Introduced |
| JEE Main 2013 – 7 April 2013 – Offline | 318 | 318 | 100 % |
| JEE Main 2014 – 6 April 2014 – Offline | 572 | 254 | 79.87 % |
| JEE Main 2014 – 11 April 2014 – Online | 779 | 207 | 36.19 % |
| JEE Main 2014 – 19 April 2014 – Online | 964 | 185 | 23.75 % |
| JEE Main 2014 – 9 April 2014 – Online | 1089 | 125 | 12.97 % |
| JEE Main 2015 – 4 April 2015 – Offline | 1218 | 129 | 11.85 % |
| JEE Main 2015 – 10 April 2015 – Online | 1377 | 159 | 13.05 % |
| JEE Main 2015 – 11 April 2015 – Online | 1438 | 61 | 4.43 % |
| JEE Main 2016 – 10 April 2016 – Online | 1529 | 91 | 6.33 % |
| JEE Main 2016 – 3 April 2016 – Online | 1595 | 66 | 4.32 % |
| JEE Main 2016 – 9 April 2016 – Offline | 1677 | 82 | 5.14 % |
| JEE Main 2017 – 2 April 2017 – Offline | 1750 | 73 | 4.35 % |
There is a diminishing addition to the number of new concepts introduced every year. The following image shows the repetition of concepts every year. It is the common concepts repeated among examinations in the years.
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Important Chapters from which Questions Come Every Year
There are 18 chapters which are most important in Physics, Chemistry, and Mathematics. The ratio of CBSE Syllabus Class XI and Class XII is 56:44 with a slight tilt towards syllabus of Class XI.
| Subjects | Chapters |
| PHYSICS | Waves and Sound |
| Electrostatics | |
| Magnetic Effects of Current | |
| Electromagnetic Induction and Alternating Current | |
| Ray Optics | |
| Semiconductors and Communication System | |
| CHEMISTRY | Chemical Kinetics |
| Chemical Bonding and Molecular Structure | |
| Coordination Compounds | |
| MATHEMATICS | Binomial Theorem |
| Quadratic Equations | |
| Sequences and Series (Progressions) | |
| Complex Numbers | |
| Point and Straight Line | |
| Vector | |
| Circle | |
| Matrices and Determinants | |
| Indefinite Integration |
JEE Main 2017-18 Paper Analysis & Difficulty Level Variation Over the Years
On a scale of 10, the difficulty level of the JEE Main Question Papers ranges from 3.8 to 5.3 with an average of 4.4. JEE Main 2017 Question Paper was on the easier side with an average difficulty level of 4.1.
Sectionwise Ideal Time Distribution
If the candidate is well prepared for the examination, then after completing the paper, there are about 10 minutes left over for the revision purpose.
JEE Main 2017-18 Paper Analysis: Year Wise Report for Physics
| Name of Examination | Subject | Percentage of Time Needed |
| JEE Main 2013 – 7 April 2013 – Offline | Physics | 48.62 % |
| JEE Main 2014 – 6 April 2014 – Offline | Physics | 39.94 % |
| JEE Main 2014 – 11 April 2014 – Online | Physics | 32.45 % |
| JEE Main 2014 – 19 April 2014 – Online | Physics | 33.53 % |
| JEE Main 2014 – 9 April 2014 – Online | Physics | 28.06 % |
| JEE Main 2015 – 4 April 2015 – Offline | Physics | 44.64 % |
| JEE Main 2015 – 10 April 2015 – Online | Physics | 34.44 % |
| JEE Main 2015 – 11 April 2015 – Online | Physics | 37.74 % |
| JEE Main 2016 – 10 April 2016 – Online | Physics | 27.88 % |
| JEE Main 2016 – 3 April 2016 – Online | Physics | 26.17 % |
| JEE Main 2016 – 9 April 2016 – Offline | Physics | 26.65 % |
| JEE Main 2017 – 2 April 2017 – Offline | Physics | 41.95 % |
The time required to solve the questions in Physics section of the question paper varies from 60 minutes to 70 minutes.
JEE Main 2017-18 Paper Analysis: Year Wise Report for Chemistry
| Name of Examination | Subject | Percentage of Time Needed |
| JEE Main 2013 – 7 April 2013 – Offline | Chemistry | 23.84 % |
| JEE Main 2014 – 6 April 2014 – Offline | Chemistry | 31.68 % |
| JEE Main 2014 – 11 April 2014 – Online | Chemistry | 31.04 % |
| JEE Main 2014 – 19 April 2014 – Online | Chemistry | 24.52 % |
| JEE Main 2014 – 9 April 2014 – Online | Chemistry | 31.84 % |
| JEE Main 2015 – 4 April 2015 – Offline | Chemistry | 18.66 % |
| JEE Main 2015 – 10 April 2015 – Online | Chemistry | 19.34 % |
| JEE Main 2015 – 11 April 2015 – Online | Chemistry | 23.18 % |
| JEE Main 2016 – 10 April 2016 – Online | Chemistry | 31.42 % |
| JEE Main 2016 – 3 April 2016 – Online | Chemistry | 25.10 % |
| JEE Main 2016 – 9 April 2016 – Offline | Chemistry | 26.72 % |
| JEE Main 2017 – 2 April 2017 – Offline | Chemistry | 26.73 % |
The time required to solve the questions in Chemistry section of the question paper varies from 35 minutes to 45 minutes.
JEE Main 2017-18 Paper Analysis: Year Wise Report for Mathematics
| Name of Examination | Subject | Percentage of Time Needed |
| JEE Main 2013 – 7 April 2013 – Offline | Mathematics | 27.54 % |
| JEE Main 2014 – 6 April 2014 – Offline | Mathematics | 28.38 % |
| JEE Main 2014 – 11 April 2014 – Online | Mathematics | 36.51 % |
| JEE Main 2014 – 19 April 2014 – Online | Mathematics | 41.95 % |
| JEE Main 2014 – 9 April 2014 – Online | Mathematics | 40.10 % |
| JEE Main 2015 – 4 April 2015 – Offline | Mathematics | 36.70 % |
| JEE Main 2015 – 10 April 2015 – Online | Mathematics | 46.23 % |
| JEE Main 2015 – 11 April 2015 – Online | Mathematics | 39.08 % |
| JEE Main 2016 – 10 April 2016 – Online | Mathematics | 40.71 % |
| JEE Main 2016 – 3 April 2016 – Online | Mathematics | 48.72 % |
| JEE Main 2016 – 9 April 2016 – Offline | Mathematics | 46.63 % |
| JEE Main 2017 – 2 April 2017 – Offline | Mathematics | 31.33 % |
The time required to solve the questions in Mathematics section of the question paper varies from 60 minutes to 70 minutes.
The official website of JEE Main is http://jeemain.nic.in/webinfo/Public/Home.aspx
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