JEE (Advanced) 2015A Detailed Analysis (Cut-off, Answer Key,
Solution and Subject-Wise Discussion) by Resonance
After introducing major changes in IIT Admission Process in
2013, on 24-May-2015 (Sunday) JEE Advanced 2015, stage-2 for IIT
Admission Process was conducted. 1.52 Lakh students were selected
to appear for this exam, although only 1.22 Lakh students were
eligible to sit for exam based on various pre criteria.
As earlier IIT-JEE Examinations, JEE (Advanced) 2015 was
conducted in two parts (Paper 1 & Paper 2). Paper 1 was
conducted from 9 AM to 12 PM and Paper 2 was conducted from 2 PM to
5 PM.
Overall Marks DistributionIn Paper I & II both, Total 60
Questions were asked. 20 Questions from Each Subject were asked.
First paper was of 264 marks while paper two was of 240 marks. Each
subject was of 168 marks overall. Total marks for both paper
combined were 504. Total 196 marks questions were from class
11thsyllabus and 308 marks questions were from class
12thsyllabus.
SubjectPaperNo of QuestionsMarks
11th12th11th12th
ChemistryPaper 17133256
Paper 26142456
MathematicsPaper 18124048
Paper 28123248
PhysicsPaper 18123652
Paper 28123248
TotalPaper 12337108156
Paper 2223888152
Brief Quantitative AnalysisFollowing is the brief pattern
description of both the papers of JEE (Advanced) 2015.
Question Pattern for Each Subject in Paper 1
One or More than One Correct Answer Type MCQsSingle Digit
Integer Answer Type QuestionsMatch the Column Type MCQTotal
Subject108220
Marks / Question448N.A
Negative Marking-20-4N.A
Marks/Subject40321688
Total Questions3024660
Total Marks1209648264
Question Pattern for Each Subject in Paper 2
One or More than One Correct Answer Type MCQsSingle Digit
Integer Answer Type QuestionsComprehension MCQTotal
Questions/Subject88420
Marks / Question4444
Negative Marking-20-2N.A
Marks/Subject40321680
Total Questions24241260
Total Marks969648240
Overall Difficulty Level AnalysisIn this detailed analysis of
Jee Paper we have rated every question on a scale of 1 to 3. The
ratings are done by expert faculty of Resonance. The individual
ratings are then averaged to calculate overall difficulty level. 1:
Easy 2: Moderate 3: Difficult
SubjectPaper 1Paper 2Total
Chemistry2.272.152.21
Mathematics2.362.252.31
Physics1.952.202.07
Total2.192.202.20
Difficulty Level Analysis: No of
QuestionsSubjectEasyModerateDifficultTotal
Chemistry9151640
Mathematics7151840
Physics11171240
Total274746120
Difficulty Level Analysis: Marks
AllocationSubjectEasyModerateDifficultTotal
Chemistry366072168
Mathematics286080168
Physics446856168
Total108188208504
Resonance Experts feel that all subjects were of similar
difficulty level, while Physics was relatively less tough compared
with Chemistry & Mathematics. Around 108 Marks can be
considered easy overall, 188 marks Moderate and 208 marks are
considered difficult in the paper by Resonance Team.
Overall, it is felt that paper was on difficult side.
Physics AnalysisTopic wise Allocation of MarksSUBJECT- TOPIC-
SUBTOPIC# QUESTIONSTOTAL MARKS% WEIGHTAGE
PHYSICS40168100.0%
Electrodynamics93621.4%
Capacitance142.4%
Current Electricity284.8%
Electro Magnetic Field3127.1%
Electrostatics3127.1%
Heat & Thermodynamics3127.1%
Heat Transfer142.4%
KTG & Thermodynamics284.8%
Mechanics135633.3%
Elasticity & Viscosity284.8%
Error in Measurement284.8%
Fluid Mechanics & Properties of Matter142.4%
Gravitation284.8%
Rigid Body Dynamics3127.1%
Unit & Dimension284.8%
Work, Power & Energy184.8%
ModernPhysics73219.0%
Atomic Physics284.8%
Bohr Model142.4%
Nuclear Physics3169.5%
Photoelectric Effect142.4%
Optics62414.3%
Geometrical Optics & Physical Optics52011.9%
Wave Optics142.4%
SHM & Waves284.8%
SHM284.8%
Chemistry AnalysisTopic wise Allocation of MarksSUBJECT- TOPIC-
SUBTOPIC# QUESTIONSTOTAL MARKS% WEIGHTAGE
CHEMISTRY40168100.0%
Inorganic Chemistry-I62414.3%
Chemical Bonding4169.5%
p-block284.8%
Inorganic Chemistry-II94023.8%
Coordination Compounds4169.5%
d-block & f-block Elements284.8%
Metallurgy2127.1%
Qualitative Analysis142.4%
Organic Chemistry-I142.4%
General Organic Chemistry- II142.4%
Organic Chemistry-II135231.0%
Amine142.4%
Aromatic Compounds4169.5%
Biomolecules142.4%
Carbonyl compounds142.4%
Grignard Reagent, Reduction, Oxidation& Hydrolysis142.4%
Hydrocarbon (Alkane, Alkene & Alkyne)3127.1%
Practical Organic Chemistry142.4%
Stereoisomerism142.4%
Physical Chemistry-I52414.3%
Atomic Structure & Nuclear Chemistry142.4%
Chemical Equilibrium142.4%
Ionic Equilibrium142.4%
Thermodynamics and Thermochemistry2127.1%
Physical Chemistry-II62414.3%
Chemical Kinetics284.8%
Electro-chemistry284.8%
Solid State142.4%
Surface Chemistry142.4%
Mathematics AnalysisTopic wise Allocation of MarksSUBJECT-
TOPIC- SUBTOPIC# QUESTIONSTOTAL MARKS% WEIGHTAGE
MATHEMATICS40168100.0%
Algebra4169.5%
Vector4169.5%
Binomial Theorem142.4%
Binomial Theorem142.4%
Complex Numbers142.4%
Complex Numbers142.4%
Coordinate Geometry62414.3%
Ellipse284.8%
Hyperbola142.4%
Parabola3127.1%
Differential Calculus83219.0%
Application of Derivatives3127.1%
Functions284.8%
Limit, Continuity & Differentiability3127.1%
Integral Calculus83219.0%
Area under curve142.4%
Definite integration52011.9%
Differential Equation284.8%
Matrix & Determinants284.8%
Matrices & Determinants284.8%
Permutation & Combination142.4%
Permutation & Combination142.4%
Probability3127.1%
Probability3127.1%
Quadratic Equation142.4%
Quadratic Equation142.4%
Sequence & Series2127.1%
Sequence & Series2127.1%
Trigonometry3169.5%
Inverse Trigonometric function142.4%
Solution of Triangle184.8%
Trigonometric equation142.4%
Expected Cut-offJEE (Advanced) 2015: Official Cut-off
Category% ReservationCut-off Marks*% Cutoff
Open50.50%17635.00%
OBC27.00%15831.50%
SC15.00%8817.50%
ST7.50%8817.50%
Total100.00%
