JEE (Joint Entrance Examination) MAIN 2018 – Question Paper, Answer Key, Analysis & Cut off

Last Updated - April 09 2018

JEE Main 2018 pen and the paper-based test is scheduled for April 08. While CBSE has nearly doubled up centers for online exam, the centers for pen and paper-based exam have been incremented only from 109 to 111. The official response keys along with aspirants’ answer OMR sheets will be allocated on April 24, 2018. However, all the leading coaching institutes will issue their respective response keys prepared by experts.

Students can raise objections and challenge official response key within a stipulated time frame by providing suitable supporting material. The window for raising objections and accepting challenges will be open from April 24-27, 2018.

JEE Main 2018 PapersQuestion PapersResponse KeysText Solutions
JEE Main Code-A (English)Click HereClick HereAvailable soon
JEE Main Code-B (English)Click Here Click Here Available soon
JEE Main Code-C (English)Click Here Click Here Available soon
JEE Main Code-D (English)Click Here Click Here Available soon
JEE Main Code-A (Hindi)Available soon Available soon Available soon
JEE Main Code-B (Hindi)Available soon Available soon Available soon
JEE Main Code-C (Hindi)Available soon Available soon Available soon
JEE Main Code-D (Hindi)Available soon Available soon Available soon

JEE Main 2018 is organized into two slots i.e. Paper 1 and Paper 2. Paper, I will include questions from Physics, Chemistry, and Mathematics while Paper II comprises questions from Mathematics, Aptitude and a Drawing Test. Paper 1 is intended for BE/ B Tech courses while Paper 2 is organized for B.Arch/ B.Planning courses.

JEE Main Paper I result will be released on April 30, 2018, and Paper 2 result will be released on May 31, 2018. Both JEE Main results will be released at cbseresults.nic.in.


How to check Response Key of JEE MAIN 2018?

All the major coaching institutes will publish their own response keys soon after the completion of the exam on April 8. The response key for both the papers i.e. Paper 1 and Paper 2 are announced separately. Coaching institutes are likely to announce the response key for the offline exam only whereas CBSE will announce the response key for both the offline exam and online exam.

We will be uploading the response keys from some of the top institutes here for your reference. Using the steps mentioned below to download and check the official response key: The response key will be announced for all the four paper sets i.e. A, B, C and D.

  • Enter the Date of Birth, Application number and security pin to download the response key
  • Visit the official website of JEE Main.
  • After clicking on the button, response key will be displayed on the screen
  • Now students will have to click on the given link to download the JEE Main Response Key
  • Click on the login button

Students can download and take the printout of the response key for evaluating their answers and calculating expected scores.


How to Challenge the Response Key?

If any aspirant is not satisfied with any of the answers mentioned in the response key then they can challenge key via an online procedure only. To challenge, students required to fill an application form & deposit INR 1000 per question. Fees can be submitted via Credit card/ debit card, SBI buddy and Paytm.

Once the fees are paid cannot be refunded under any circumstances. The final judgment regarding the response key challenge will be made by Joint Admission Board/ CBSE.

How to calculate scores

For every accurate response, 4 marks will be honoured whereas, for every inaccurate response 1 mark will be deducted. The formula to calculate JEE Main scores are as follows:

Total marks obtained = marks for the accurate response – marks for the wrong response

To challenge the official response key, aspirants can visit the official portal and follow the steps mentioned below:

  • The fees can be paid using debit/credit card and e-challan
  • Submit the challenge
  • Navigate the response key and OMR display on the response key
  • Login using your credentials
  • Select the response students seekings to challenge and pay the fees

Exam Analysis for JEE MAIN 2018

Knowing the overall difficulty level based on earlier year trends would allow aspirants to ascertain the need amount of effort need on a particular section or topic. Here are few key pointers to give you an overarching perspective on the expected scheme of examination and sectional difficulty level.

  • From the three sections, Physics and Chemistry are easy while Mathematics is a tricky one.
  • The weightage assigned to topics from class XI and XII vary section to section every year.
  • JEE Main exam includes 90 objective type questions with 4 marks for every accurate answer and 1 mark for every inaccurate answer.

Subject wise comparison of the difficulty level of the earlier year is as follows:

Subjects2014201520162017
PhysicsDifficultDifficultModerateModerate
ChemistryModerateModerateDifficultEasy 
MathematicsEasyEasy Moderate Difficult

Subject wise detailed paper analysis

1 Physics

Based on the analysis of last few years’ papers, Physics section was easy yet quite lengthy. Students had to focus more on numerical based questions because more numerical were asked in this section. Mostly the questions were asked from the prescribed syllabus of class XI and XII.

Topic NameNo. of Questions
 2017201620152014
Electrodynamics86106
Capacitance211
Present Electricity3121
Electromagnetic Field1242
Electromagnetic Induction121
Electrostatics1121
Heat & Thermodynamics4333
Calorimetry & Thermal Expansion21
KTG & Thermodynamics2332
Mechanics87811
Elasticity & Viscosity11
Fluid Mechanics1
Gravitation1111
Projectile Motion1
Rectilinear Motion & Vectors11
Rigid Body Dynamics2212
Surface Tension1
Mistake Measurement212
Friction11
Centre of Mass2
Work, Power & Energy221
Properties of Matter2
Modern Physics5815
Modern Physics3212
Nuclear Physics1
Electromagnetic waves and Communication22
Semiorganizeors141
Optics2333
Geometrical Optics & Physical Optics1212
Wave Optics1121
SHM & Waves3322
The principle of Communication11
SHM111
String Waves1
Sound Waves1111
Grand Total30303030

2 Chemistry

Among the three sections, Chemistry is traditionally the easiest one. Maximum questions were asked from Organic chemistry. Students are advised to prepare from class XI and XII syllabus.

Topic NameNo. of Questions
 2017201620152014
Inorganic Chemistry-15675
Chemical Bonding2222
Periodic Table & Periodicity in Properties111
Hydrogen & Its Compound1
P-Block131
Reactions Mechanics2
S-Block211
Inorganic Chemistry-II2643
Coordination Compounds12
D Block & F Block elements212
Metallurgy11
Transition Elements11
Qualitative Analysis111
Organic Chemistry-I1291
General Organic Chemistry-I121
Organic Chemistry-II1087
Alkyl Halide, Alcohol & Ether (Reaction Mechanism)432
Aromatic Compounds111
Hydrocarbons1
Biomolecules11
IUPAC & Isomerisms2
Carbohydrates, Amino Acids and Polymers1113
Carbonyl Compounds1
Environmental chemistry11
Practical Organic Chemistry231
Grignard Reagent, Reduction, Oxidation & Hydrolysis11
Physical Chemistry-17447
Chemical Equilibrium11
Atomic Structure & Nuclear Chemistry1111
Ionic Equilibrium11
Gaseous State11
Mole Concept312
Equivalent concept & Titration1
Thermodynamics and Thermochemistry2111
Physical Chemistry-II5467
Chemical Kinetics1111
Electrochemistry114
Solid State111
Solution & Colligative Properties1111
Surface Chemistry122
Grand Total30303030

3 Mathematics

Mathematics is the most difficult, lengthy and time-consuming section based on earlier year paper analysis. Mostly questions were asked from coordinate Geometry and Differential Calculus. Questions will be asked from both class XI and class XII.

Topic NameNo. of Questions
 2017201620152014
Binomial Theorem1121
Binomial Theorem1121
Complex Numbers1111
Complex Numbers1111
Height and Distance11
Height and Distance11
Mathematical Reasoning1111
Mathematical Reasoning1111
Matrices & Determinants2222
Matrices & Determinants2222
Differential Calculus6535
Application of Derivatives2112
Functions21 –1
Limit, Continuity & Differentiability1111
Tangent & Normal111
Methods of Differentiation11
Integral Calculus4474
Area Under Curve1111
Definite Integration1111
Differential Equation1111
Indefinite Integration1121
Coordinate Geometry (2-D)4545
Eclipse111
Hyperbola11 –
Parabola, Circles1312
Directly Lines1122
Permutation & Combination111
Permutation & Combination111
Probability1111
Probability1111
Quadratic Equation1112
Quadratic Equation1112
Sequence & Series1222
Sequence & Series1222
Trigonometry1212
Trigonometry1212
3-D and Vectors3224
Co-ordinate Geometry (3-D)2222
Statistics1
Vector111
Grand Total30303030

Expected Cut off from JEE MAIN 2018

Cut off marks are the at least marks scored by the aspirant in order to complete the entrance examination. Students having marks less than the cut off marks are not applicable to get admission in the desired course. As per the difficulty level of the examination, cut off marks keep on changing every year.

Several factors would contribute to determining cutoff. Some of the prominent factors are indicated below:

  • Total number of students appearing for the exam
  • Reservation Norms
  • The difficulty level of the exam
  • Earlier year cut off trends
  • Availability of seats

The Cutoff for last 3 years will give you better insight into the expected at least score need in JEE Main 2018. Last year’s cutoff saw a major dip after the judgment to scrap class XII score for calculating JEE Main All India Ranks.

YearCategoryCut off
2017General81
OBC-NCL49
SC32
ST27
PwD1
2016General100
OBC-NCL70
SC52
ST48
2015General105
OBC-NCL70
SC50
ST44


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