Dear Biswajeet,

Both the classes are important to prepare for JEE Main and holds somewhat same weightage.

You can check the weightage of marks of 11th and class 12th below

Class 11th

Chemistry- 56
Physics- 52
Mathematics- 60

Class 12th

Chemistry- 64

Physics- 68
Mathematics- 60

To score good marks in your exam you should focus on the topics which carries more weightage in the exam.

According, to the 2017 analysis you can check the important topics for JEE Main below

Physics

Capacitance- 6.67%

Current Electricity- 10.00%

Calorimetry & Thermal Expansion- 6.67%

KTG & Thermodynamics- 6.67%

Rigid Body Dynamics- 6.67%

Work, Power & Energy- 6.67%

Modern Physics- 10.00%

Chemistry

Chemical Bonding- 6.67%

S-Block- 6.67%

Alkyl Hallide, Alcohol & Ether (Reaction Mechanism)- 13.33%

Mole Concept- 10.00%

Mathematics

Co-ordinate Geometry (3-D)- 6.67%

Application of Derivatives- 6.67%

Functions- 6.67%

Matrix & Determinants- 6.67%

Probability- 6.67%

Good Luck!!

Generally they put more weightage asked in jee. Because 12 science include most of concept from 11 science. As you are doing science you know in maths most of all chapters are interlinked. So obviously they put last thing to test your basic funda of maths.


But I personally suggest that don't go for JEE with year for more weight. Do it from 11 and continuing with12.


To know exactly About weightage follow below link...
https://www.google.co.in/amp/s/gradeup.co/jee-main-syllabus-pattern-weightage-i-bca9ffd0-48df-11e6-8481-b4697555ecf6_amp

hey,

According to previous years, 12th have 60% wiehtage an 11th have 40%. But don't go with only 12th or 1th, not all the question are answered. My advice is to read the theory of chemitry of both 11th and 12th, formulas of maths and do concepts of physics.

good luck

Hello,

Weightage of class 12th is more than that of class 11th in jee mains.50-55%% of the total questions are asked from class 12th while 45-50% of the total questions are asked from class 11th in jee mains.

So,try to prepare accordingly.

Good luck.

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