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JEE Main 2019 Study Material

JEE Main 2019 is just around the corner and most of candidates are trying to speed up their preparation to put on a strong performance in the exam. With NTA managng JEE Main now, the premier engineering exam will be conducted twice a year in online mode. JEE Main is among the most competitive examinations after class 12 with nearly 10 lakh applicants every year and one that needs thorough preparation.

No standard study material is available for IIT JEE. However, a large number of reference books, mock test papers and dedicated preparation portals are out there to help students appearing for this competitive examination. There is no definite path to excel in the JEE Main but if you are a hard worker and your concepts about the concerned subjects then there is no stopping you from clearing the exam. Well, the article points out some excellent and easy-to-access JEE Main 2019 Study Material for aiding your preparation.


Top 20 Percentile Cutoff Marks for Class XII Exam

JEE Main 2019 is underway with commencement of registration for the January session. Most of the students are worried about filling all the details carefully in JEE Main Application Form and ensuring that feel the desired eligibility criteria to avoid rejection. A lot of candidates search for top percentile cutoff marks in JEE Main.

JoSAA is responsible for releasing the top 20 percentile for JEE Main and JEE Advanced. The top 20 percentile cut off marks is released separately for IITs and other institutes (NITs, IIITs and CFTIs) on the official site, jossa.nic.in. Although the top 20 percentile is released after the result declaration, candidates must be aware about the previous year trends.

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What is the top 20 percentile?

Each year as many as a million of students appear for JEE and NIT entrance examinations with the view of gaining admission in top engineering institutes. Even though the marks secured in Class 12th is no longer considered for JEE Main Rank Calculation, yet it is a determining factor for admission to IITs, NITs, IIITs and CFTIs. However, not all the state education boards release marks in the form of percentage. Therefore, the organizing authority will also consider candidates failling in the top 20 percentile while determining their eligibility.

Top 20 Percentile for JEE main

Eligibility Criteria

In order to secure a place in JEE or NITs, candidates will have to fulfill the following requirements:

  • The minimum eligibility is to secure 75% for General Category. For reserved category belonging to SC/ ST/ PwD, the minimum eligibility is scoring 65% in the class 12 examination.


  • They must fall in the top 20 percentile category in class 12 of their respective boards or qualifying examination.
  • Even though a candidate fails to secure 75% in their class 12th, they still hold opportunity for appearing in the entrance examinations on the basis of top 20 percentile marks.
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How are class 12th marks calculated for admission to IITs and NITs

The calculation of score will be as follows:

  • The score of candidates will be calculated for any 5 subjects which in total will be calculated out of 500. These five subjects will include Physics, Chemistry, and Mathematics as compulsory subjects out of the five. The other two include one language subject and one other subject (expect from the four already selected). In this manner, the total secured in the five subjects with aggregate marks 500 will be taken into account.
  • In case, a candidate has taken two language subjects, then the subject with a higher score will be considered.
  • If the marks of any subject are not awarded out of 100, then in such cases, the score will be scaled to make it out of 100. For example – if a candidate secures 50 out of 80, then the calculation of score will be as follows: (65/80)*100 = 81%
  • If a candidate has appeared for Class 12th examination in the year 2016 and again reappears in 2017 for improvement in any one or two subjects, then the marks secured in 2016 will be considered and not that of 2017.
  • However, in case a candidate had appeared in 2016, yet reappears for improvement in all 5 exams conducted in 2017, in that case, the scores of the year in which the candidate has score more marks will be considered.

Difference Between Percentage and Percentile

Often candidates get obscured of the difference between a percentage score and percentile. However, both the terms are completely different from one another. A percentage score is marks obtained by a candidate from the aggregate of 100. On the other hand, a percentile is a term used to define the percentage a candidate secures below particular marks.

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Example – Suppose a candidate has secured 85 percent marks. This is the marks secured out of 100, wherein he/she has scored 85. If the total is 200 it will be 170 and so on. However, if a candidate mentions he/she has scored 85 percentile, that would mean 85 percent of all other candidates who have appeared for the examination have score fewer marks than the candidate with 85 percentile.

Following are the state education boards for which JoSAA will publish top 20 percentile for JEE Main on its official website.

Andhra Pradesh Board of Intermediate Education
Assam Higher Secondary School Council
Bihar Intermediate Education Council
Central Board of Secondary Education
Banasthali Vidyapith
Aligarh Muslim University Board of Secondary & Sr. Secondary Education
Chhattisgarh Board of Secondary Education
Council of the Indian School Certificate Examinations
Goa Board of Secondary and Higher Secondary Education
Gujarat Secondary Education Board
Haryana Board of Education, Bhiwani
Himachal Pradesh Board of School Education
Jammu and Kashmir State Board of School Education
Jharkhand Academic Council
Karnataka Board of Pre-University Education
Kerala Board of Public Examinations
Madhya Pradesh Board of Secondary Education
Council of Higher Secondary Education, Manipur
Meghalaya Board of School Education
Mizoram Board of School Education
Nagaland Board of School Education
National Institute of Open Schooling
Punjab School Education Board
Telangana State Board of Intermediate Education, Hyderabad
Telangana Open School Society Hyderabad
Tripura School of Secondary Education
Maharashtra State Board of Secondary and Higher Education
U.P. Board of High School & Intermediate Education
Board of Secondary Education Rajasthan
Council of Higher Secondary Education, Odisha


JEE Main Scanned Images 2019

JEE Main 2019 is scheduled to be held on January 6, 2019 and is going to be conducted by NTA (National Testing Agency) for the first time. In order to complete the application process, candidates need to upload the scanned images of their photograph and signature in proper dimensions, as prescribed by the NTA.

The entire application process for JEE Main 2019 is online, so scanned images of photograph and signature should be also uploaded via online mode on official website. Although, uploading of scanned images seems to be a small step, but is a very important part of the entire application procedure and any mistake during this step can lead to rejection of the form.

Steps to upload the Images for JEE Main 2019

While scanning and uploading the photograph for JEE Main 2019, students need to follow certain guidelines prescribed by NTA. The following specifications are important in order to successfully upload the photograph:

  • Fill the application form correctly and carefully.
  • Upon filling the application form, note down the application number generated by the system.
  • Upload the scanned images (photograph & signature) in proper size i.e. between 10KB – 100KB.
  • Scanned images should be in .jpg or .jpeg format.
  • Once the scanned images are successfully uploaded, make the application fee payment via SBI_MOPS.
  • Carefully keep the receipt of the fee payment.
  • After making the payment, take a print out of the confirmation page.

JEE Main Scanned Images

Following are some points that the candidate must keep in mind while scanning the photograph and signature:

  • Resolution of the scanner should be minimum 200 dpi (dots per inch) and the color should be set to True Color.
  • The size of the image should be between 10KB and 100KB and it should be in .jpg/.jpeg format.
  • To adjust the images of photograph & signature to the above mentioned size, crop the image in the scanner to the edge and then use the upload editor, to crop the image to the final size.
  • Check if the dimension and format for the scanned images is correct or not, by simply moving the mouse over the file image icon.
  • Students using MS Windows/ MS Office can easily obtain the image in the specified format by using MS Office Picture Manager or MS Paint.
  • Scanned images are to be uploaded only at the time of application.
  • While uploading the scanned images, if the dimensions, format or size is not in the specified format, an error message will be displayed.
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Procedure to upload Photograph & Signature

  • Post filling the application form and hitting the ‘submit’ button, links to upload scanned images are displayed.
  • Two separate links will be provided to upload the photograph and signature.
  • Click on “Upload Photograph/Signature” link.
  • Select the browse option and go to the location where you saved both the files.
  • Select the respective file and press the upload option.
  • If the scanned images are in the prescribed format, dimension and size, the uploading of images will be successful.
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Guidelines for Scanned Photograph in JEE Main 2019

During JEE Main application, be careful while choosing the right photograph to upload. Here are some guidelines to select the right photograph.

  • Do not upload a photograph clicked by mobile phone; it must be clicked by a professional camera with white background.
  • The photograph that you select to upload should be clicked recently with your name and date of taking that photograph mentioned on it.
  • The photograph can be colored or black & white with clear contrast and good resolution.
  • Facial area must be covering 75% of the image and avoid wearing any muffler or scarf that may cover your face.
  • Do not wear goggles in the photograph. Students with eye problems are allowed to wear spectacles and are advised to look straight into the camera for a better photograph.
  • Polaroid images are not acceptable.

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Guidelines to upload Signature in JEE Main 2019

  • Signature to be scanned should be done on clear white paper and should be clearly visible.
  • Size of the scanned image of the signature should be between 4KB and 30KB and the format should be either .jpg or .jpeg.
  • While signing, make sure to do that in running handwriting and not in capital letters.
  • Overwriting in signature will not be accepted.
  • Dimension of the signature should be 1.5 cm (height) X 3.5 cm (width).

NTA to set Unique Question papers for JEE Main and NEET Aspirants

After NTA taking charge of conducting various national level entrance exams such as JEE Main and NEET, several major overhauls are expected in these exams. These changes includes organising exams twice a year and in multiple sessions. One of such major change is that it will set unique question papers for every aspirant.

The NTA or National Testing Agency has planned to use high level artificial intelligence, psychometric analysis and computer based adaptive testing tools. These tools will ensure that test is 100% safe with no scope of errors.
Vineet Joshi, Director General of NTA has proclaimed that highest level of encryption will be used so that no one can hack the system. As per the NTA officials, additionally this change has been introduced to check that candidate is thorough with curriculum syllabus and the rote learning and coaching centers are not of much help.

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They are also hopeful that this change will be advantageous for candidates in following ways:-

  • Keeping track of Unattempted Questions- Candidates can easily revisit the questions they are doubtful of or haven’t answered. It is advisable for that candidates first solve the easier questions then revisit the questions they were in doubt of.
  • Change in Exam Date and slot – As the exams will be held in multiple slots, candidates can choose their time slot and date as per their convenience
  • No scope of Cheating – Unique questions will provide a fair chance to all the candidates as the software will pick different questions for all candidates and leaving no scope of cheating for the candidates
  • Introducing different levels of questions – The difficulty level of the questions in the exam will be increased on the basis of candidate’s past answers.
  • Introducing Computer Adaptive Testing – The answer keys will also be released using Artificial intelligence techniques to ensure free work in computing the result

NTA to set Unique Question papers for JEE Main and NEET Aspirants

Currently the agency is performing psychometric analysis of past years’ question papers including the MCQ questions. They are also checking the impact of introducing MCQ questions. These distractors will help in checking candidate’s overall knowledge of the subject. One of the disadvantage of using software system is that candidates will be at the mercy of the software which will pick the questions on random basis. The answer keys will also be released by Artificial intelligence system.

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Till 2017 CBSE or Central Board of Secondary Education used to conduct these exams. In order to reduce the burden of CBSE and smooth conduction of exams, HRD ministry introduced NTA. The new authority will conduct these exams twice a year. JEE Main 2019 is scheduled to take place in January and April 2019. The agency is expected to test around 1.5 crore candidates at National level.

According to HRD officials, a number of tests and experiments will be tried such as psychometric data analysis of data, psychometric analysis for training the item writers and web based, etc to ensure there are no errors in question papers and answer keys.

JEE Main Preparation Tips for Mathematics

Joint Entrance Examination (JEE) is conducted for admission into the undergraduate engineering programmes(B.Tech, B.E., and B.Arch) offered by various IIITs, NITs, GFTIs, and various Institutes. Candidates qualifying JEE Main will be shortlisted for the next stage of JEE:

  • JEE Main 2019 includes two papers – Paper 1 for B.E./B.Tech. aspirants, and Paper 2 for B.Arch aspirants.
  • Mathematics is the common section in both the papers.
  • 30 questions of objective type are asked from Mathematics in Paper 1 as well as in Paper 2.
  • Each correct marked answer is of 4 marks while 1 mark is deducted from candidates’ score for every incorrect answer.

Mathematics is usually the easiest section in JEE Main but requires practice. The more problems you will solve, the better will be your speed and accuracy. In order to prepare for JEE Main 2019 and improve your mathematics, you need to focus more on understanding problem-solving methods instead of just reading theories, formulae, and solutions.

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