JEE Main 20 July 2021 Question Paper with Answer Key Solutions (Shift 1 & 2 Available): PDF Download

Joint Entrance Exam (JEE) Main 2026 ( JEE Main )

DeskCalelnderRegistration - 1 Feb '26 - 25 Feb '26

Updated on Jul 25, 2021 12:34 IST
JEE Main 2021 July 20 answer key, question paper with solution by coaching institutes.

Download JEE Main answer key 2021 and question papers with solution for July 20 shift 1 and 2 exam released by coaching institutes. 

JEE-Main-answer-key-2021-july 20

JEE Main 20 July 2021 question paper and answer key are available now for shift 1 and 2. Candidates can check below JEE Main 2021 question paper with answer key and solution for 20 July shift 1 and 2 for Physics, Chemistry and Maths. Candidates can use these JEE Main answer key 2021 to know correct answers to the questions asked in the exam. JEE Main 20 July shift 1 and 2 Paper with answer key and solution are available as PDF which can be downloaded.

Latest: Check JEE Main July 25 Question Paper with Answer Key Solution

Coaching institutes have released JEE Main 20 July 2021 question paper and answer key for shift 1 and 2 on the basis of memory-based questions from students who appear in the JEE Main 2021. Coaching institutes like Reliable and Resonance are providing a memory-based JEE Main question paper along with the answer key. Candidates can check the JEE Main question paper with answer key below. The NTA has conducted the first day of JEE Main 2021 3rd attempt exam today. The first session was held from 9:00 AM to 12:00 PM while the second attempt was conducted from 3:00 PM to 6:00 PM. 

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Table of contents
  • JEE Main 20 July 2021 Question Paper with Answer Key (Shift-1 & 2)
  • JEE Main 20 July Shift 1 and 2 Paper Analysis
  • JEE Main Chapter-Wise Weightage Chemistry - July 20 Shift 1 & 2
  • JEE Main Chapter-Wise Weightage Maths - July 20 Shift 1 & 2
  • JEE Main Chapter-Wise Weightage 20 July Shift 1 & 2 Physics
  • JEE Main 2021 Answer Key Phase 3 Shift 1 and 2
  • JEE Main 2021 Question Paper with Solution July 20
View More

JEE Main 20 July 2021 Question Paper with Answer Key (Shift-1 & 2)

Candidates can check subject-wise JEE Main 20 July question paper with answer key for shift 1 below.

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JEE Main Answer Key 2021 with Solution July 20 Shift 1

JEE Main Date Shift 1
JEE Main 20 July 2021 Question Paper Answer Key Physics
Chemistry
Math

JEE Main 20 July 2021 Answer Key with Solution Shift 2

JEE Main Date Shift 2
JEE Main 20 July 2021 Question Paper Answer Key Physics
Chemistry
Math

JEE Main 20 July Shift 1 and 2 Paper Analysis

Parameter

Analysis

Overall Difficulty Level of the Exam

Moderate

Difficulty Level of Mathematics

Moderate

Difficulty Level of Physics

Moderately Difficult

Difficulty Level of Chemistry

Easy

Topics with More Weightage in Mathematics

  • Mathematical Reasoning
  • Differential Calculus

Topics with More Weightage in Physics

  • Mechanics
  • Modern Physics
                                                     Topics with More Weightage in Chemistry
  • Organic Chemistry

Difficulty Level of NAT Questions

Easy

Expected Average Number of Good Attempts

45

Expected Number of Very Good Attempts

65

Difficulty Level Comparison

Tougher than March & February

What is a good score in JEE Main to Qualify for JEE Advanced JEE Main Rank Predictor

JEE Main Chapter-Wise Weightage Chemistry - July 20 Shift 1 & 2

Date & Shift

Overall Difficulty Level of Chemistry

Topics with Maximum Weightage

Total No. of Easy, Difficult and Average Questions

Shift 1

Easy to Moderate

  • s-Block, p-Block Elements
  • Organic Chemistry
  • Inorganic Chemistry
  • Easy - 14
  • Hard - 1
  • Average - 7

Shift 2

Moderately Easy

  • Organic Chemistry (23%)
  • Easy - 5
  • Average - 18
  • Difficult - 1

JEE Main Chapter-Wise Weightage Maths - July 20 Shift 1 & 2

Date & Shift

Overall Difficulty Level of Maths

Topics with Maximum Weightage

Total No. of Easy, Difficult and Average Questions

Shift 1

Moderate to Difficult

  • Differential Calculus
  • Vector & 3D
  • Probability
  • Easy - 10
  • Difficult - 2
  • Average - 10

Shift 2

Moderate

  • Differential Calculus (13%)
  • Easy - 3
  • Difficult - 6
  • Average - 10

JEE Main Chapter-Wise Weightage 20 July Shift 1 & 2 Physics

Name of the Chapter Total No. of Questions
SHM & Waves 2
Heat & Thermodynamics 3
Electrodynamics 3
Modern Physics 8
Mechanics 13

JEE Main 2021 Answer Key Phase 3 Shift 1 and 2

 

Answer Key Shift 1

Answer Key Shift 2

JEE Main 2021 Answer Key by Reliable

Physics

Chemistry

Mathematics

Physics

Chemistry

Mathematics

JEE Main Answer Key 2021 by Resonance

Physics

Chemistry

Math

Physics

Chemistry

Math

JEE Main 2021 Answer Key by Allen

Physics

Chemistry

Mathematics

Physics

Chemistry

Mathematics

JEE Main 2021 Rank Predictor

JEE Main 2021 College Predictor

JEE Main 2021 Cutoff

JEE Main 2021 Marks Vs Percentile

JEE Main 2021 Question Paper with Solution July 20

The memory-based JEE Main question paper 2021 for July 20 will be released by coaching institutes. Students will be provided here direct link to download JEE Main 2021 July 20 question paper with solution to know the correct answers of the questions asked in the exam.

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JEE Main Question Paper with Solution July 20, 2021

 

Shift 1

Shift 2

JEE Main 2021 Question Paper with Solution by Reliable

Physics

Chemistry

Mathematics

Physics

Chemistry

Mathematics

JEE Main Question Paper with Solution 2021 by Resonance

Physics

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Math

Physics

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JEE Main 2021 Question Paper with Solution by Allen

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Physics

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JEE Main 2021 Phase 3 Official Answer Key Question Paper

The NTA will release official JEE Main 2021 answer key for 3rd attempt exam in July last week. JEE Main 2021 official answer key and question papers will be available online on the official website jeemain.nta.nic.in and will also be open for challenge up to a few days. 

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Answered Yesterday

The JEE Main Answer Key is an official document released by the National Testing Agency (NTA) that lists the correct answers for all questions asked on the exam day.

A

Abhishek Chaudhary

Contributor-Level 7

Answered Yesterday

The JEE Main 2026 session 1 final answer key will be available soon before or with the JEE Mains result 2026.

V

Vipra Mehra

Contributor-Level 7

Answered Yesterday

The admission cutoff of JEE Main is the opening and closing ranks for each participating institute and is released by JoSAA (Joint Seat Allocation Authority). 

C

Chanchal Pandey

Contributor-Level 7

Answered Yesterday

The JEE Main 2026 cutoff is primarily determined by the difficulty level of the exam, the total number of candidates appearing, and available seats in NITs, IIITs, and GFTIs.

Y

Yatendra Singh

Contributor-Level 7

Answered Yesterday

JEE Main cutoff is minimum percentile score required to qualify for JEE Advanced. Cutoff is important as candidates clearing the cutoff can appear for JEE Advanced for IIT admission.

M

Manori Karan

Contributor-Level 7

Answered Yesterday

The National Testing Agency (NTA) will prepare and release the category JEE Main cutoff with the results of session 2.

V

Virajita Choudhury

Contributor-Level 7

Answered Yesterday

The JEE Main cutoff is the minimum percentile score required to qualify for the JEE Advanced exam. Its is released with the April session result.

A

Akansha Bhandari

Contributor-Level 7

Answered Yesterday

No. There is no qualifying percentile in JEE Main. However, the candidates who want to appear in JEE Advanced will have to get a minimum qualifying percentile in JEE Mains. This minimum qualifying percentile is announced with the JEE Main session 2 reult.

M

Manori Patra

Contributor-Level 7

Answered Yesterday

After JEE  Main result, candidates who want to improve their scores can appear for the second attempt. Rest candidates can start shortlisting colleges and prepare for the JoSAA counselling process.

A

Abhay Aggarwal

Contributor-Level 7

Answered Yesterday

Candidates can choose a maximum of 4 exam cities in the JEE Main application form from the choices available based on their present address.

M

Mamona Majumder

Contributor-Level 10