# JEE Main 23 Feb 2021 Question Paper with Answer Key (Out) – Paper 2 A/B, 3 (B.Arch, B.Plan)

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JEE Main 23 Feb 2021 Question Paper with Answer Key – The JEE Main 23 Feb 2021 question paper with answer key for shift 1 B. Arch (Paper 2a) and B.Plan (Paper 2b) are now available. The provided answer key is unofficial and has been released by coaching institutes. Use it to calculate marks by adding 4 marks for the correct answers and deducting 1 mark for incorrect MCQ. The result of JEE Main is prepared based on the official answer key of the exam, which is released by NTA at jeemain.nta.nic.in. It will be available in few days after the JEE Main 2021 exam. Check more details on JEE Main 23 Feb 2021 Question Paper with Answer Key from this page.

All Post-Exam Resources: JEE Main 2021 Question Paper , JEE Main 2021 Answer Key, JEE Main 2021 Exam Analysis.

## JEE Main 23 Feb 2021 Question Paper with Answer Key

### JEE Main 23 Feb 2021Shift 2 Question Paper with Answer Key – Paper 2B

Questions and answers of JEE Main 2021 – 23 February shift 2 are available here.

Ques. The area bounded by the curves y = √x. 2y+3 = x and x-axis in the 1st quadrant is
Ans.9 sq units

Ques. If B and C are square matrix of order n, and if A=B+C and BC = CB and C2 = 0. Then for any positive integer P, AP+1 = Bk [B+(P+1)C]
Ans. P

Ques. If a circle passes through the point (a,b) and cuts the circle x2 + y2 = k2 orthogonally, then the equation of the center
Ans. 2ax + 2by – (a2 + b2 + k2) = 0

Ques.  If f:(1, ∞) —> (2,∞) is given by f(n) = n+1, the f-1 (n) equals to?
Ans. x+√x2-4 / 2

Ques. If z1 and z2 are two non-zero complex number such that |z1 + z2| = |z1| + |z2|, then argz1 – argz2 is equal to _____
Ans. 0

Ques. If 0< P(A) < 1, 0< P(B) < 1 and P (A⋃B) = P (A) + P(B) – P(A) P(B), then select the appropriate answer.
Ans. P(A/B) = P(A)

Ques. The point on the curve y2 + 3x = 12y, when the tangent is vertical, is (are)?
Ans.

### JEE Main 23 Feb 2021Shift 1 Question Paper with Answer Key – Paper 2A

Questions and answers of JEE Main 2021 – 23 February shift 1 are available here.

Ques. Draw a scenery of kite festival or draw the cuboidal composition of dimensions xyz (color the composition)

Ques. Draw a portrait by your imagination.

Ques. If A, B and C are vector such that |B| = |C| then {(A+B) x (A+C)} x (B+C) x (BxC) = ______

Ques. The locus of the midpoint of the chord of the circle x 2+y 2=4 which subtends a right angle at the origin is?
Ans. x2 + y2 = 2

Ques. Area of the triangle formed by the complex number z, iz and z+iz is _____
Ans. 1/2 |z|2

Ques. No. of divisors of the form (4n + 2), of the integer 240 is
Ans.  20

Ques. If x > 1, y > 1, z > 1 are in GP, then 1 /1+lnx, 1 /1+lny, 1 /1+lnz are in _______
Ans. HP

Ques. Given x = cy+bx, y = az+cx, z = bx+ay where x, y and z are not all zero, then a2 + b2 + c2 + 2ab = _____
Ans. 1

Ques. The minimum number of times a fair coin needs to be tossed so that the probability of getting at least two heads is atleast 0.96 is ___
Ans. 8

Ques. The DE representing the family of curves y2 (2c + x2021 ) where c is the +ve parameter is of?
Ans. Order 1

Ques. Find the equation of the normal to the curve x2 = 4y which passes through the point (1,2).
Ans. x+y = 3

Ques. Who was the designer of the world trade center?
Ans. Minoru Yamasaki, Emery Roth

Ques. 2(|Z1| +|Z2|)=4

Ques. If A + B + C = 180o then find tanA + tanB + tanC =
Ans. tanA tanB tanC

Ques. If z1 and z2 unimodular complex number that satisfy z12 + z22 = 4 then (z1 + z1)2 ( z2 +  z2)2 is equal to
Ans. 12

Ques. Evaluate (elogx + sinx )cosxdx

Ques. A person writes letters to 6 friends and addresses a corresponding envelope. The number of ways in which 5 letters can be placed in the wrong envelope is?

Hi,

If you have appeared for JEE Main 23 Feb 2021 (shift 1 or 2) and if you remember any question that was asked today then submit it below. We will provide you answers / solutions for it.

### JEE Main 2021 Question Paper and Answer Key by Coaching Institutes

None of the coaching centers have issued question paper with answer key of JEE Main 23 Feb 2021 B.Arch and B.Planning papers.

### Use JEE Main 23 Feb 2021 Question Paper and Answer Key To Calculate Marks

In order to use the JEE Main answer key 2021 effectively, candidates can check the steps as provided below –

First of all download the answer key and question paper for JEE Main. After this, start cross-checking your answers with the one provided in the answer key. Next, as you are cross-checking the answers, you need to add marks for a correct answer and deduct marks in case of an incorrect option marked. The total marks obtained is the probable score for the entrance examination.

JEE Main 2021 Marking Scheme

Formula for calculating JEE Main score

For MCQs = 4 x (no. of correct responses marked) – 1 (no. of incorrect options marked)

For NVTs = 4 x (no. of correct responses marked)

JEE Main score = MCQs score + NVTs score

### JEE Main Previous Years Cut Off

NTA releases the cut off score for JEE Main entrance exam along with the declaration of the result. JEE Main cut off is minimum score required by the candidates to qualify for JEE Advanced. It is to be noted that there is no no passing or qualifying marks in JEE Main which means that all candidates who appear for the exam are given ranks for admission in NITS, IIITs, CFTIs.

Candidates can check the past year JEE Main cut off from the table below.

### How to Download JEE Main 23 Feb 2021 Question Paper and Answer Key from jeemain.nta.nic.in?

To download the answer key for JEE Main 23 February 2021 exam, students may follow the instructions as provided below:

Step 1: Click on the direct link on this page to download the answer key.

Step 2: In the next screen, candidates need to log in by entering the following details –

• Application number
• Date of birth / password

Step 3: Submit the login details, after which you need to click on the relevant link for the answer key.

Step 4: Finally, students can use it to cross-check their answers.

### JEE Main 23 February 2021 Question Paper

Along with the answer key, aspirants will also find their question paper for the entrance examination. Besides, you will also get to know the options marked by you in the exam. It is released under candidate login in the pdf format. JEE Main 2021 question paper consist of the details like question number, question id, chosen chosen, status, etc.

### JEE Main 2021 Result

Candidates can check their JEE Main 2021 result online at the exam’s official website, jeemain.nta.nic.in. To check the result, candidates have to enter their application number and date of birth. It is to be noted that JEE Main result is prepared based on the options indicated in the final answer key. It is released in the form of scorecard which can be obtained by the aspirants by online mode only as no hard copy for the same is sent by post or email.

### About JEE Main 2021

National Testing Agency (NTA) is mandated for conducting Joint Entrance Examination (JEE) Main. It is a national level entrance examination conducted to offer admission into courses B.E / B.Tech, B.Arch, and B.Plan. The exam is conducted multiple times a year in online mode (except the drawing test in B.Arch). 10+2 qualified candidates are eligible to apply for the entrance examination. The computer-based entrance exam consists of MCQs as well as numerical value type questions. Qualifiers in Paper 1 are offered admission in BE/ B.Tech courses at NITs, IIITs, and CFTIs, whereas, candidates who qualify Paper 2 are offered admission in B.Arch / B.Plan.

## FAQs on JEE Main 23 Feb 2021 Question Paper with Answer Key

Ques. How can I get JEE Main Answer Key?

Ans. Candidates can download JEE Main answer key from the official website of the exam at jeemain.nta.nic.in. On the homepage of the website, you need to click on the JEE Main candidate login and then login by entering their application number & password.

Ques. Will JEE Mains 2021 be postponed?

Ans. No, the examinations are not postponed. Moreover, NTA is conducting the examination more than two times a year owing to the pandemic situation.

Ques. When JEE mains will be conducted in 2021?

Ans. JEE Main entrance examination are going to be conducted in Feb, March, April and May. The exam date for Session 1 is Feb 23-26, for Session 2 is 15-18 Mar 2021, Session 3 is 27-30 Apr 2021 and lastly the exam to be held for Session 4 is from 24-28 May 2021.