JEE Mains Admit Card 2021- Most Anticipated Questions for JEE Mains March Exam.

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JEE Main 2021

JEE Mains March Admit Card & other Important Information. 

Congratulations to all the students who scored well in JEE Mains February Session. NTA has released the Admit Card for JEE Mains 2021 March exams on its official website. Students can use any of the three links provided by NTA to download the Admit Card.

JEE Mains March Time Table 

JEE Mains March Admit CardAvailable from 11th,March. 
JEE Mains March Exam DatesMarch 16th- March 18th 

*NTA has changed the dates from the original schedule of March 15th- March 18th.

How to Download JEE Mains March Admit Card?

Students need their JEE Application number & date of birth to download the admit card for their exam. Visit jeemain.nta.nic.in & enter the above details to download the pdf of the admit card. There are 331 Exam centers across India for students to write the exam. 

Documents to Carry to Exam Centers?

Along with the clear printout of the Admit card students are required to carry a valid original photo ID. Students should take note that photocopies of the ID will not be accepted at the center.

In case of any issues in downloading the Admit card students are advised to directly contact NTA at jeemain-nta@gov.in

Important Instructions for JEE Mains 2021

Watches are strictly prohibited in the exam center.

Students are not allowed to bring Pen/Pencils

Everyone should write their roll number on the rough sheets provided.

Diabetics are allowed to carry some sweetened food & transparent bottles.Packaged food is strictly prohibited.

Reattempt JEE Mains February Exams- Complete Solutions

JEE Mains - Rizee

 

What are the most Anticipated Questions for JEE Mains 2021 March & April Sessions?

Rizee’s anticipated Questions are based on JEE Mains Previous Year Question papers analysis & based on the trend of questions asked in JEE Mains February Question Papers. Expert faculty at Rizee has successfully predicted more than 50% of Chapters asked in JEE Mains February  Question Papers. 

Mathematics Important Questions FREE PDF

Physics Important Questions FREE PDF

Chemistry Important Questions FREE PDF

Most Anticipated Questions for JEE Main Mathematics 

JEE Mains - maths

Q1. The value of (21C1−10C1) + (21C2−10C2) − (21C3−10C3) +(21C4−10C4) + ⋯ + (21C10−10C10) is 

(A) 220 − 210                    (B) 221 − 211  

(C) 221 − 210                     (D) 220 − 29 

Explanation : (A) 

(21C1+21C2 + 21C3 − 21C4 + ⋯ + 21C10) − (10C1 + 10C2 + 10C3 + ⋯ + 10C10) =12221 − 2 − 210 − 1 = 220 − 2 − 210 − 1 = 220 − 210

Q2. Matrix A such that A2= 2A –I, where I is the identity matrix, Then for n2, Anis equal to?

(A) 2n;1A − n − 1 I      (B) 2n;1A − I  

(C) nA − n − 1 I           (D) nA − I 

Explanation : (C) 

Given, A2 = 2A − I 

Now, A3 = A(A2

= A(2A − I) 

= 2A2 − A 

= 2 2A − I − A = 3A − 2I 

A4 = A(A3

= A(3A − 2I) 

= 3A2 − 2A 

= 3 2A − I − 2A = 4A − 3I 

Following this, we can say An = nA − n − I I.

Chapter Name : MATRICES Topic Name : TYPES AND ALGEBRA OF MATRICES,TRANSPOSE AND SPECIAL  TYPES OF MATRICES (APPLICATION)

Q3. If the straight line x – 2y + 1 = 0 intersects the circle x2 + y2 = 25 in points P and Q then the  coordinates of the point of intersection tangents drawn at P and Q to the circle x2 + y2 = 25 are?

(A) (25,50)                            (B) (-25,-50)

 (C) (-25,50)                           (D) (25,-50) 

Explanation : (C) 

Let R(h,k) be the point of intersection of tangents drawn at P and Q to the given circle. Then, PQ is the chord of contact of tangents drawn from R to x2 + y2 = 25. So its equation is hx + ky – 25 = 0 …..(i) 

It is given that the equation of PQ is 

x – 2y + 1 = 0 …..(ii) 

Since (i) and (ii) represent the same line  

h1=k;2= −25

⇒ h = – 25,k = 50 

Hence, the required point is (-25,50)

Download the Free PDF of Anticipated Questions JEE Mains Mathematics

Sample Questions & Explanations

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Most Anticipated Questions for JEE Main Physics March Exam- Download Complete PDF

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Most Anticipated Questions JEE Mains Chemistry March Exams.

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All the best for the Students who are appearing in JEE Mains 2021 March & JEE Mains 2021 April Sessions.You can read the complete strategy to score better in upcoming sessions here.

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