**NDA Mathematics Answer Key 2021 Set B** – Candidates can get here NDA Mathematics Answer Key 2021 Set B for the exam held on November 14, 2021. The answer key is released by various unofficial sources right after the exam. Candidates who get Set B question paper of NDA Mathematics for **UPSC NDA/NA 2021 **can check its answer key from this page below and download PDF. Union Public Service Commission (UPSC) also releases the official** NDA answer key** which contains correct answers of 120 questions asked in Mathematics Set B Question Paper. Based on the final answer keys, NDA 2021 results are compiled. Check more details on **NDA Mathematics Answer Key 2021 Set B** from this page.

**Latest**: NDA Mathematics SET B Answer Key. Check below.

## NDA Mathematics Answer Key 2021 Set B

The official answer key for the paper is released after the exam is conducted by the UPSC. You can cross-check answers by using NDA Mathematics Answer Key 2021 and predict the estimated scores.

Right after the examinations, several coaching institutes and centers releases unofficial answer keys. These memory based answer key releases once the examination is over. Candidates who have appeared in the examination can check the answer key from this page.

NDA 2 (2021) Answer Key Discussion (Maths Portion) by Maths Jugad Se | Watch Here |

NDA 2 2021 Maths Set B by Centurion Defence Academy | Watch Here |

NDA 2021 Question Paper PDF Available!

**NDA 2 2021 Mathematics SET B Answer Key by Major Kalshi Classes**

### Get NDA 2 2021 Answer Keys Here

### NDA Maths Answer Key 2021 Date

Union Public Service Commission conducts National Defence Academy / Naval Academy exam twice a year. However, this year, a common exam is held for NDA 1 and 2 selections. The important dates for NDA 2021 Answer Key and related events are as follows.

NDA 2021 | Important Dates |

UPSC NDA/NA 2021 Exam Date | 14 Nov 2021 |

Availability of NDA Question Paper and Answer Key of Mathematics Set B | To be announced |

Result | To be announced |

### Marking Scheme of NDA Mathematics Set B 2021

To calculate the marks achieved in the paper candidates need to have the marking scheme being followed in the paper and the correct answers to the questions. And we have provided both of them in the page below. Candidates can easily avail the answer key and check the marking scheme from the succeeding article:

**NDA Mathematics Marking Scheme**

- +2.5 for the correct answer
- -0.83 for an incorrect answer (i.e 1/3 of the marks allocated to the question)

Therefore, marks as per answer key of NDA 1 2021 Mathematics Set B = 2.5*Correct answers – 0.83 * Incorrect answers.

### How to calculate marks using NDA Mathematics Answer Key 2021 Set B?

Now, the second most important thing is how to use the official answer key to estimate your score. The very first thing need is that candidates must download the answer key.

Secondly, know the pattern of the exam, that is to remember the pattern correctly:

- Sections in the exam: Two that is GAT and Maths.
- Total no. of questions: 150 in GAT and 120 in Maths
- Maximum marks: 300 in GAT and 600 in Maths.

Now, a candidate must know the marking scheme and formula to calculate the marks as per UPSC:

Scheme of marks | GAT | Maths |

Marks for the correct answer | 4 | 2.5 |

Negative Marking | -4/3 | -2.5/3 |

As per marking scheme apply this formula to generate score: No. of correct answers in GAT * 4 – No. of incorrect answers in GAT * 4/3 + No. of correct answers in Maths * 2.5 – No. of incorrect answers in Maths * 0.83

### NDA Result 2021

UPSC publishes the result for the NDA Mathematics Set B 2021 on the official website. Candidates waiting to check the result can visit upsc.gov.in as per the scheduled date of announcing the result. The result is published in PDF format only. And it contains the roll number and their names alongside the selected candidates. Candidates need no login credentials to check the result on the website. The candidates who make to the merit list of the commission are done on the basis of a minimum 25% marks in each subject as a cut off decided by the union.

### About UPSC NDA NA 2021

The Union Public Service Commission (UPSC) is India’s central agency. It has the authority to conduct various examinations out of which are National Defence Academy Examination, Naval Academy Examination. The examination is a written offline exam to be qualified by candidates in order to be selected for the interview and personality test conducted by the Services Selection Board (SSB) commonly known as SSB.

**Let us know your feedback on NDA Mathematics Answer Key 2021 Set B in comments below.**

## Archives

**Click here** for NDA 2021 Question Paper Maths Set B

Q. No. | Set B | Q. No. | Set B |

1 | B | 61 | B |

2 | B | 62 | C |

3 | B | 63 | D |

4 | C | 64 | C |

5 | D | 65 | C |

6 | B | 66 | B |

7 | C | 67 | B |

8 | B | 68 | C |

9 | A | 69 | C |

10 | C | 70 | A |

11 | D | 71 | C |

12 | A | 72 | C |

13 | C | 73 | D |

14 | D | 74 | D |

15 | B | 75 | C |

16 | C | 76 | A |

17 | A | 77 | B |

18 | B | 78 | A |

19 | C | 79 | B |

20 | C | 80 | A |

21 | D | 81 | B |

22 | A | 82 | A |

23 | C | 83 | B |

24 | B | 84 | C |

25 | B | 85 | D |

26 | A | 86 | C |

27 | B | 87 | B |

28 | C | 88 | B |

29 | C | 89 | C |

30 | A | 90 | A |

31 | D | 91 | C |

32 | C | 92 | C |

33 | C | 93 | D |

34 | C | 94 | B |

35 | A | 95 | C |

36 | B | 96 | B |

37 | B | 97 | C |

38 | D | 98 | A |

39 | B | 99 | D |

40 | A | 100 | B |

41 | B | 101 | B |

42 | D | 102 | A |

43 | D | 103 | A |

44 | B | 104 | B |

45 | B | 105 | A |

46 | A | 106 | A |

47 | C | 107 | D |

48 | D | 108 | A |

49 | A | 109 | D |

50 | B | 110 | D |

51 | C | 111 | B |

52 | A | 112 | A |

53 | D | 113 | C |

54 | B | 114 | A |

55 | A | 115 | C |

56 | A | 116 | C |

57 | C | 117 | A |

58 | C | 118 | C |

59 | C | 119 | C |

60 | C | 120 | A |

**NDA Maths Unofficial SET B Answer Key – By Major Kalshi Classes Pvt. Ltd.**

Qs No | SET B |

1 | B |

2 | C |

3 | A |

4 | A |

5 | A |

6 | C |

7 | C |

8 | B |

9 | C |

10 | B |

11 | C |

12 | B |

13 | C |

14 | B |

15 | C |

16 | A |

17 | C |

18 | B |

19 | A |

20 | B |

21 | C |

22 | D |

23 | D |

24 | C,D |

25 | C |

26 | C |

27 | C |

28 | B |

29 | B |

30 | A |

31 | C |

32 | D |

33 | A |

34 | B |

35 | A |

36 | C |

37 | A |

38 | B |

39 | D |

40 | A |

41 | D |

42 | B |

43 | B |

44 | B |

45 | D |

46 | C |

47 | A |

48 | B |

49 | C |

50 | D |

51 | C |

52 | A |

53 | C |

54 | B |

55 | D |

56 | C |

57 | D |

58 | C |

59 | B |

60 | C |

61 | B |

62 | C |

63 | C |

64 | D |

65 | D |

66 | C |

67 | A |

68 | C |

69 | D |

70 | D |

71 | B |

72 | B |

73 | A |

74 | A |

75 | D |

76 | C |

77 | B |

78 | D |

79 | D |

80 | B |

81 | A |

82 | C |

83 | B |

84 | A |

85 | D |

86 | B |

87 | C |

88 | C |

89 | D |

90 | D |

91 | C |

92 | B |

93 | B |

94 | B |

95 | C |

96 | B |

97 | B |

98 | C |

99 | B |

100 | C |

101 | A |

102 | B |

103 | A |

104 | A |

105 | C |

106 | D |

107 | D |

108 | D |

109 | C |

110 | B |

111 | A |

112 | C |

113 | C |

114 | A |

115 | B |

116 | D |

117 | A |

118 | C |

119 | B |

120 | A |

**NDA Maths Unofficial SET B Answer Key 2020 By Trishul Defence Academy** –

**Click here**

**NDA Maths Unofficial SET B Answer Key 2020 By Doon Indian Defence Academy** – **Click here**