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Competitive exams are approaching but don’t know what to do in this battle of nerves situation? Confused, how to start revision? what should I study first? what should be my target of study to secure good ranks? How to improve my JEE Main rank at this point of time?(What is this Normalization method?) NEED HELP.
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Points to keep in mind • JEE Mains scores are strong drivers of your future prospects • Trend analysis of performance of students in JEE Mains - 2014 as well as the paper pattern over past 5 years suggests some basic facts • These facts are worth sharing with all the JEE Mains 2015 aspirants • Scoring 50% or more in JEE Mains can be a piece of cake with some smart efforts in studies
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Projected Normalized Boards Marks Distribution for 2015 Expected Normalized Score (Bfinal) [Specific to the 12th Board of student] Board Score (%) 95% 90% 85% 80% 75% 70% 65% 60% 55% 50%
HSC Board 278 239 176 128 100 83 72 53 46 35
CBSE Board 235 165 105 78 64 54 45 38 33 26
ISC Board 215 148 102 73 49 41 36 31 26 23
Table 1 : This table indicates the projected normalized score that a student would get based on his board’s % score and his board of appearance [Based on data of JEE Mains - 2014] Copyright @ RAO IIT ACADEMY
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Rank Prediction for JEE Mains - 2015 Composite Normalized Score = (0.6*JEE Main Score) + (0.4*Bfinal)
Expected Rank (ALL INDIA)
Expected Rank (STATE)
300 275 250 225 200 175 150 125 100 75 50 25
50 350 1200 3200 7900 17000 34000 65000 125000 250000 500000 1000000
5 35 150 400 800 1600 3000 5500 10000 19000 45000 100000
Table 2 : Based on 2014 data Copyright @ RAO IIT ACADEMY
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Calculation of JEE Main Rank
Composite normalized score of the student [C] in JEE – Mains is
C = 0.6*A0 + 0.4*Bfinal • • •
A0 = JEE Mains score Normalized Board Score, Bfinal = It can be predicted from Table 1 corresponding to your 12th Board and percentage score in it C is used to decide rank of the student in JEE – Mains
Name
12th Board
JEE Main Score (A0)
Board % Normalized Score Board Score (Bfinal)
Aggregate Score JEE Main ( C )
All India Rank
State Rank
[From Table2]*
[From Table2]*
Soham
HSC
160
75%
98
135.2
52,000
4500
Mohit
CBSE
125
80%
73
104.2
1,15,000
9300
Nisha
ISC
150
80%
68
117.2
84,000
7000
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Past 6 years JEE Mains (AIEEE) Question Paper Analysis
Strategize your preparations
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Physics Analysis
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Tips For Physics • Electrodynamics should be studied well especially o Electrostatics o EMF o Current Electricity
• Important Chapters o Modern Physics o Thermodynamics • Calorimetry is easy & Questions have been asked on it every year o Optics o SHM & String waves
• In Mechanics o Fluids come in paper every year o Errors & Measurements is easy and a sure shot scorer o NLM & Gravitation also have been asked regularly
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Chemistry Analysis
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Tips for Chemistry • Inorganic (20% – 25%) – Periodic Properties & Coordination compound are major contributors • Organic (30% – 35%) 10%
o Biomolecules & polymers are sure shot scorers o Alkyl Halide, Alcohol, Phenol, Aryl halide & ether are other good contributors with minimum 2 problems o Isomerism with concepts of moles & stereochemistry contribute 3 problems (10%)
• Physical – (40% - 50%) o Thermodynamics & Kinetics(7%) o Properties of matter[solid + solutions + surface chemistry + gaseous] – 4-6 problems(10%) o Atomic Structure + Chemical Bonding – 4 problems (12%)
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Mathematics Analysis
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Tips for Mathematics •
Almost 1/3 paper is covered by 4 groups of topics with 2 topics in each i.e. • Probability & PnC • Quadratic & Complex
* Binomial Sequence & Series * Matrices & Determinants
Among these 1&4 are largely part of 12th syllabus and can be done with
•
little efforts & can fetch almost 15% of the marks Straight line and Circle have approx. 10% weightage with circle being major contributor •
• • •
•
In conics ellipse should be given time as hyperbola has been largely absent
Differential Calculus is expected to have weightage of 20-25% with good portion being covered by Set, Relations, Function & Graph Vector & 3D comprise 10% weightage and they are easy topics Trigonometry weightage has increased over the past few years, and is expected to be 10% in the coming paper with majority from trigonometric ratios and identity Integral Calculus has seen a constant portion of approx10% divided into definite, indefinite and Area under the Curve Copyright @ RAO IIT ACADEMY
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Improve Your Rank in JEE Mains • “Its never too late to begin”. Late starters can still think and plan for good JEE Mains Rank. • Based on the analysis of last 6 year’s papers we present a revision plan that prioritizes the topics in accordance to weightage in JEE Mains and can cater to your specific needs • You can pick a plan according to your own expectations, based on your current performances • A close introspection suggests contribution of Standard 12th syllabus in JEE Mains is more than 55%.
“Performance is always guided by practice”. Copyright @ RAO IIT ACADEMY
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AIM 40% Mathematics
Physics
Chemistry
• Matrices • Electrodynamics Determinants • EMF • Probability & PnC • Current • Straight Line, Circle Electricity • 3D, Vector • Modern Physics • Set, Relations, • Geometrical Optics Function & Graphs • Limit, Continuity, Differentiability • Differentiation • Trig. Ratios & Identity
• Periodic Properties & Coordination Compounds • Isomerism & Stereochemistry • Properties of Matter – Solution and Solids
For student’s scoring below 40% in their JEE MAINS preparatory Exams Copyright @ RAO IIT ACADEMY
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AIM 60%60%-70% 40 % Syllabus provided above and Mathematics
Physics
Chemistry
• Ellipse • Differential Equation • Application of Derivative • Solution of Triangle
• Thermodynamics • SHM & String Waves • Wave Optics
• Atomic Structure & Chemical Bonding • Functional Derivatives in Organic Chemistry
For student’s scoring around 40%-50% in their JEE MAINS preparatory Exams
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AIM > 80% • 60%-70% syllabus and Mathematics
Physics
Chemistry
• Binomial, Sequence & Series • Quadratic Equation & Complex Number • Indefinite, Definite Integration • Area under the Curve
• Mechanics • Fluids • Laws of Motion • Gravitation • Errors & Measurements
• Chemical & Ionic Eq • Gaseous State • Thermodynamics & Kinetics • Electro Chemistry • P-Block & Qualitative Analysis
For student’s scoring around 60%-70% in their JEE MAINS preparatory Exams Copyright @ RAO IIT ACADEMY
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Mathematics Estimated Revision Time per Topic Topic
Time (hrs)
Topic
Time (hrs)
Topic
Time (hrs)
Sequence & Series
8
Statistics
4
Indefinite Integrals
9
Binomial
3
Straight line
6
Definite Integrals
6
Permutation and Combination
9
Circle
6
Area Under Curve
4
Quadratic
3
Conic
15
Trigonometric Equation
5
Complex
10
3D Geometry
5
Trig Ratio & Identities
6
Mathematical Induction & Reasoning
2
Sets, Relation, Functions Graphs
6
Inverse Trigonometric Functions
3
Matrices & Determinants
5
Limit, Continuity, Differentiability
12
Solution of Triangle
6
Probability
6
Application of Derivative
10
Vector
6
Differential Equation
4
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Physics Estimated Revision Time per Topic Topic
Time (hrs)
Topic
Time (hrs)
Topic
Time (hrs)
Capacitance
6
Gravitation
4
Wave Optics
9
Current Electricity
6
Projectile Motion
3
Geometrical Optics
12
EMI + Electromagnetic Field
6
Nuclear & Atomic Physics
9
Photoelectric Effect & Dual Nature
9
Electrostatics
6
Newton’s Law of Motion & Friction
9
SHM
12
Heat Transfer
10
Work, Power, Energy & Circular Motion
9
Sound Waves
6
K.T.G. & Thermodynamics
10
EM Waves & Communication
6
String Waves
6
Calorimetry, Thermal Expansion
9
Semiconductor & Logic Gates
6
Fluid Mech & Properties of Matter
6
Center of Mass, Rigid Body Dynamics, Rotation
12
Errors in Measurement, Unit Dimensions
3
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Chemistry Estimated Revision Time per Topic Physical
Time (hrs)
Time (hrs)
Thermodynamics
9
General Organic Chemistry
15
Periodic Properties
12
Ionic Equilibrium
9
Stereochemistry
6
S-Block Elements
4
Electrochemistry
9
Hydrocarbon
12
P-Block Elements
6
Chemical Kinetics
6
Alky Halide
6
D & F Block Elements
4
Chemical Equilibrium
6
Alcohol
6
Metallurgy
2
Solid State
6
Carbonyl Groups
9
Qualitative Analysis
6
Solution, Colligative Properties
6
Biomolecules + Polymer
3
Coordination Compound
10
Atomic Structure
6
Chemical Bonding
10
Mole Concept
9
Gaseous State
9
Organic
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Inorganic
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Time (hrs)
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Thank You Disclaimer : This analysis is based on previous years data to help students in their preparations. Any variation is not our liability.
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Appendix
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Appendix 1 : Normalization Process Subjects used for Normalization
1. 2. 3.
Physics 4. One language Mathematics 5. One subject from Chemistry, Biology, Any subject other than Biotechnology and Computer Science the above four subjects
Note : No subject should be repeated
A Percentile score of a Candidate in a Board or JEE (Main) will reflect what percentage of Candidates have scored below this Candidate in that Examination
P=
100
N o o f c a n d id a te s w ith a g g r e g a te m a r k s le ss th a n th e c a n d id a te
T o ta l N o . o f c a n d id a te s in th e g r o u p
Suppose there are 13711 Candidates in Maharashtra Board and a candidate scored 60% marks in Board Examination has 6865 Candidates below him. His Percentile Score will be: Percentile Score for 60% of Board Marks
6865
1 0 0 5 0 .0 7
13711
Reference tables similar to tables on the next slide is used to predict normalized board score. These reference tables are prepared based on the JEE Mains scores of all students for that year Copyright @ RAO IIT ACADEMY
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Total Students appeared in JEE Main = 1153667
No of Candidates in Board ABCD (who appeared in JEE Main) below candidate’s score (N)
Percentile (P)
N P 100 1153667
JEE Main Score (S)
26673
2.31
4
31
0.23
….
…
…
….
….
….
30
113507
9.84
20
1350
9.85
….
….
….
….
….
48
577633
50.07
60
6627
48.33
….
….
….
….
….
….
80
1116897
96.81
80
6865
50.07
….
….
….
….
….
….
343
1153007
99.94
220
13592
99.13
JEE Main Score (S)
No. of Candidates below the candidate’s JEE Mains Score(N)
Percentile of the student
10
Table 3 Copyright @ RAO IIT ACADEMY
B1
P
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N
100
13711
….B2
A0 = Aggregate score of a student in JEE-Main [ suppose 40% i.e. 144 marks] B0 = Percentage score of that student (in five subjects) in the Class XII Board Exam [suppose 60 %] PB = Corresponding percentile of the student in the Class XII Board examination [calculated 50.07]
Scores B1 and B2 are computed from PB using table 3 and table 4 respectively Calculation of B1 = Corresponding Score in JEE Main(for all the students appeared in JEE Main across all the Boards) for the percentile PB (50.07) i.e. 48 Refer Table 3 Calculation of B2 = Corresponding Score among the students who satisfy the eligibility criteria for JEE Main and belong to Board ABCD, for percentile PB (50.07) i.e. 80 Refer Table 4 These scores (B1 & B2) helps in normalization of Boards Marks as per JEE (MAINS) pattern
The normalized Board score of the student Bfinal = 0.5*(B1 + B2)
[ 0.5*(48+80) = 64 ]
The composite score of the student is
[0.6*144 + 0.4*64=112]
C is Cumulative Normalized Score of this candidate. This score is used for preparing merit list. Board Score
Board Percentile
60
50.07
B1
C = 0.6*A0 + 0.4*Bfinal
B2
Bfinal
(Refer Table 3) (Refer Table 4) 48
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80
64
JEE Mains Score
C [Cumulative Normalized Score]
144
112
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Appendix 2 : Rank Prediction from Table 2 •
•
Cumulative Normalized score for Soham is 135.2 . It lies between 125 and 150. His rank can be predicted using linear interpolation method. Soham has 10.2 marks greater than 125. This lies in range of 125 to 150 marks slab. AIR varies by 31000 for 25 marks in this slab. ( 65000 34000 ) 31000 10 . 2 13000 25
•
AIR Variation for 10.2 marks =
• •
So AIR of Soham at 135.2 marks would be = 65000 -13000 = 52000 Similarly State rank of Soham would be = 5500 – 1020 ≈ 4500
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