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UPSC NDA 1 2021 Exam Analysis & Review (18th April): Check Exam Centre Arrangements, Difficulty Level & Good Attempts

Archana Shandilya

UPSC NDA 1 2021 Exam Analysis & Review (18th April): UPSC NDA & NA (1) 2021 Exam has begun today, i.e., 18th April 2021. UPSC will conduct the Written Exam at selected Examination Centers spread across India for 400 vacancies under UPSC NDA & NA I 2021 Recruitment in Indian Armed Forces, i.e., Army, Navy and Air Force of the National Defence Academy (NDA) and Naval Academy (NA).

Download UPSC NDA (1) 2021 Question Paper & Answer Key PDF Released by Coaching Centres (Unofficial)

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Check UPSC NDA 2021 Exam Centre List & Guidelines

The candidates are supposed to attempt two papers: Paper1- Mathematics (300 Marks) & Paper2-General Ability Test (600 Marks The selection process of NDA 2021 recruitment will consist of 2 stages, i.e., written exam and SSB Interview. In this article, we are going to share the detailed Exam Analysis of UPSC NDA & NA 2021 Written Exam held on 18th April 2021.

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UPSC NDA 2021 Exam Live Updates from Examination Centres

Exam Centre Chandigarh: Candidates arrived for appearing in NDA 2021 Exam on time at the exam centres.

Chandigarh: Candidates arrive at an examination centre to appear for National Defence Academy (NDA) exam, amid COVID-induced weekend lockdown here

"It's a relief that exams are taking place. A lot of time has already been wasted for students," a candidate's parent says pic.twitter.com/Zo5jlFSkaQ

— ANI (@ANI) April 18, 2021

Exam Centre Delhi: Candidates are allowed to go to the exam centres without the passes amid the weekend curfew in Delhi.

Any person/student shall be allowed for movement during weekend curfew to appear in the examination on production of valid admit cards. The examination staff deployed for exam duties shall be allowed to travel on the production of valid I card: Delhi disaster Management Authority

— ANI (@ANI) April 16, 2021

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UPSC NDA (1) 2021 Exam Analysis – 18th April 2021

UPSC NDA 2021 Written Exam consisted of Mathematics Paper (300 Marks) and General Ability Test (600 Marks) for total 900 marks in the Objective MCQ Format. Questions asked in the exam were of ‘Moderate to Difficult’ level in different subjects. Also, there was negative marking of 1/3rd marks for wrong answers. So let’s take a look at the questions asked in this UPSC NDA 2021 Exam held on 18th April 2021:  

UPSC NDA & NA (1) 2021 Online Exam Analysis held on 18th April 2021


(Number of Questions/Marks)


Difficulty Level

(Good Attempts)



(120/300 Marks)

Algebra, Matrices and Determinants, Trigonometry, Analytical Geometry Of Two and Three Dimensions, Differential Calculus, Integral Calculus and Differential Equations, Vector Algebra, Statistics and Probability

Moderate to Difficult

(55 to 65)


General Ability Test

(150/600 Marks)

Part-A: English (50 Questions)

Synonyms, Antonyms, Spotting the Errors, Idioms & Phrases, Ordering of words in a Sentence, Reading Comprehension (1 Set), Fill in the Blanks


(100 to 110)

Part-B: General Knowledge (100 Questions)

Physics, Chemistry, General Science

History, Freedom Movement, Constitution, Geography, Current Affairs

Get Detailed UPSC NDA 2021 Exam Pattern & Syllabus

UPSC NDA (1) 2021 Section-wise Exam Analysis

Below is the Section-wise Exam Analysis of UPSC NDA & NA 2021 Exam including two papers, i.e., Mathematics & General Ability Test:

UPSC NDA & NA 2021 Mathematics (Paper-1) Exam Analysis

120 questions of 2.5 Marks – Total 300 Marks

S. No.


No. Of Questions asked



34 - 36


Matrices and Determinants

4 - 5



17 - 18


Analytical Geometry Of Two and Three Dimensions

10 - 12


Differential Calculus

20 - 22


Integral Calculus and Differential Equations

4 - 6


Vector Algebra

5- 7


Statistics and Probability

18 - 20


120/ 300 Marks

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UPSC NDA & NA 2021 General Ability Test (Paper-2) Exam Analysis

150 questions of 4 Marks – Total 600 Marks



No. Of Questions asked

Part- A


(200 Marks)





Spotting the Errors


Idioms & Phrases


Ordering of words in a Sentence


Reading Comprehension (1 Set)


Fill in the Blanks



General Knowledge (400 Marks)





General Science


History, Freedom Movement, Constitution




Current Affairs


Total (Part A + Part B)

150 Questions/ 600 Marks

Highlights of UPSC NDA (1) 2021 Written Exam:

Check NDA SSB Interview 2021 Selection Process Details

Important Points to Remember after UPSC NDA (1) 2021 Written Exam

SSB Interview (900 Marks): UPSC prepares a list of candidates who obtain the minimum qualifying marks in the written examination as fixed by the Commission at their discretion. Such candidates shall appear before a Services Selection Board (SSB) for Intelligence and Personality Test where candidates for the Army/Navy wings of the NDA and 10+2 Cadet Entry Scheme of Indian Naval Academy will be assessed on Officers Potentiality and those for the Air Force in addition to the above will have to qualify Computerised Pilot Selection System (CPSS).

Click here to get UPSC 2021 Exam Calendar

The above analysis will help you to assess your rank among the thousands of candidates, who have appeared for the UPSC NDA (1) 2021 Exam held on 18th April 2021.

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