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CBSE Class 10  >  Class 10 Notes  >  NTSE  >  Haryana: State Level Answer Key (MAT) - 2020-21

Haryana: State Level Answer Key (MAT) - 2020-21

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 Page 1


 
  
 
 
 
NTSE STAGE – I (HARYANA STATE)  
SET – A  
(2020 – 21)  
 (For Class – X) 
MENTAL ABILITY TEST (MAT) 
 
ANSWER KEYS 
 1. 2 2. 3 3. 4 4. 4 
 5. 1 6. 3 7. 1 8. 1 
 9. 2 10. 2 11. 3 12. 1 
 13. 3 14. 4 15. 1 16. 2 
 17. 4 18. 3 19. 1 20. 1 
 21. 3 22. 1 23. 4 24. 3 
 25. 4 26. 3 27. 4 28. 3 
 29. 4 30. 3 31. 3 32. 2 
 33. 2 34. 3 35. 1 36. 4  
 37. 4 38. 1 39. 1 40. 3  
 41. 2 42. 4 43. 4 44. 4  
 45. 1 46. 4 47. 3 48. 1  
 49. 2 50. 4 51. 1 & 4 both 52. 2  
 53. 2 54. 1 55. 2 56. 2  
 57. 3 58. 4 59. 3 60. 2   
 61. 2 62. 2 63. 2 64. 2 
 65. 4 66. 1 67. 4 68. 3  
 69 1 70. 1 71. 2 72. 1 
 73. 4 74. 4 75. Bonus 76. 2 
 77. 2 78. 1 79. 4 80. 2  
 81. 1 82. 2 83. 4 84. 4  
 85. 3 & 4 86. 4 87. 3 88. 1  
 89. Bonus 90. 1 91. 2 92. 4  
 93. 3 94. 3 95. 2 96. 2 
 97. 4 98. 3 99. 4 100. 4 
 
 
 
Page 2


 
  
 
 
 
NTSE STAGE – I (HARYANA STATE)  
SET – A  
(2020 – 21)  
 (For Class – X) 
MENTAL ABILITY TEST (MAT) 
 
ANSWER KEYS 
 1. 2 2. 3 3. 4 4. 4 
 5. 1 6. 3 7. 1 8. 1 
 9. 2 10. 2 11. 3 12. 1 
 13. 3 14. 4 15. 1 16. 2 
 17. 4 18. 3 19. 1 20. 1 
 21. 3 22. 1 23. 4 24. 3 
 25. 4 26. 3 27. 4 28. 3 
 29. 4 30. 3 31. 3 32. 2 
 33. 2 34. 3 35. 1 36. 4  
 37. 4 38. 1 39. 1 40. 3  
 41. 2 42. 4 43. 4 44. 4  
 45. 1 46. 4 47. 3 48. 1  
 49. 2 50. 4 51. 1 & 4 both 52. 2  
 53. 2 54. 1 55. 2 56. 2  
 57. 3 58. 4 59. 3 60. 2   
 61. 2 62. 2 63. 2 64. 2 
 65. 4 66. 1 67. 4 68. 3  
 69 1 70. 1 71. 2 72. 1 
 73. 4 74. 4 75. Bonus 76. 2 
 77. 2 78. 1 79. 4 80. 2  
 81. 1 82. 2 83. 4 84. 4  
 85. 3 & 4 86. 4 87. 3 88. 1  
 89. Bonus 90. 1 91. 2 92. 4  
 93. 3 94. 3 95. 2 96. 2 
 97. 4 98. 3 99. 4 100. 4 
 
 
 
 
  
 
 
 
NTSE STAGE – I (HARYANA STATE) 
SET – A  
(2020 – 21)  
(For Class – X) 
MENTAL ABILITY TEST (MAT) 
 
SOLUTIONS 
1. 2 
1. ?(–2) series 
 
2. 3 
2. Denominator decreases by factor 
2
3
 
 
3. 4 
3. Middle term is product of two of its adjacent terms. 
 6 ? 7 = 42 
 
4. 4 
4. 1
st
 series ? +3, +3, +3 
 2
nd
 series ? ?2, ?2, ?2 
 20 ? 2 = 40 
 
5. 1 
5. Dual series 
 1
st
 series ?  –10, –8, –6 
 2
nd
 series ? ?3, ?2, ?1  
 ? 12 – 6 = 6 
 
6. 3 
6. (3 + 4)
2
 = 49, (7 + 5)
2
 = 144 
 (5 + 1)
2
 = 36 
 ? (8 + 2)
2
 = 100 
 
7. 1 
7. 21 – 11 = 10/2 = 5 
 33 – 17 = 16/2 = 8 
 29 – 15 = 14/2 = 7 
 
8. 1 
8. (4
2
 + 3
2
) / (2 + 5) = 2.50 
 (6
2
 + 8
2
) / (4 + 2) = 12.50 
 Similarly, 
 (5
2
 + 2
2
) / (9 + 2) = 1.61 
 
9. 2 
9. Both middle boxes are opposite faces for 5 ? 2 
 
10. 2 
Page 3


 
  
 
 
 
NTSE STAGE – I (HARYANA STATE)  
SET – A  
(2020 – 21)  
 (For Class – X) 
MENTAL ABILITY TEST (MAT) 
 
ANSWER KEYS 
 1. 2 2. 3 3. 4 4. 4 
 5. 1 6. 3 7. 1 8. 1 
 9. 2 10. 2 11. 3 12. 1 
 13. 3 14. 4 15. 1 16. 2 
 17. 4 18. 3 19. 1 20. 1 
 21. 3 22. 1 23. 4 24. 3 
 25. 4 26. 3 27. 4 28. 3 
 29. 4 30. 3 31. 3 32. 2 
 33. 2 34. 3 35. 1 36. 4  
 37. 4 38. 1 39. 1 40. 3  
 41. 2 42. 4 43. 4 44. 4  
 45. 1 46. 4 47. 3 48. 1  
 49. 2 50. 4 51. 1 & 4 both 52. 2  
 53. 2 54. 1 55. 2 56. 2  
 57. 3 58. 4 59. 3 60. 2   
 61. 2 62. 2 63. 2 64. 2 
 65. 4 66. 1 67. 4 68. 3  
 69 1 70. 1 71. 2 72. 1 
 73. 4 74. 4 75. Bonus 76. 2 
 77. 2 78. 1 79. 4 80. 2  
 81. 1 82. 2 83. 4 84. 4  
 85. 3 & 4 86. 4 87. 3 88. 1  
 89. Bonus 90. 1 91. 2 92. 4  
 93. 3 94. 3 95. 2 96. 2 
 97. 4 98. 3 99. 4 100. 4 
 
 
 
 
  
 
 
 
NTSE STAGE – I (HARYANA STATE) 
SET – A  
(2020 – 21)  
(For Class – X) 
MENTAL ABILITY TEST (MAT) 
 
SOLUTIONS 
1. 2 
1. ?(–2) series 
 
2. 3 
2. Denominator decreases by factor 
2
3
 
 
3. 4 
3. Middle term is product of two of its adjacent terms. 
 6 ? 7 = 42 
 
4. 4 
4. 1
st
 series ? +3, +3, +3 
 2
nd
 series ? ?2, ?2, ?2 
 20 ? 2 = 40 
 
5. 1 
5. Dual series 
 1
st
 series ?  –10, –8, –6 
 2
nd
 series ? ?3, ?2, ?1  
 ? 12 – 6 = 6 
 
6. 3 
6. (3 + 4)
2
 = 49, (7 + 5)
2
 = 144 
 (5 + 1)
2
 = 36 
 ? (8 + 2)
2
 = 100 
 
7. 1 
7. 21 – 11 = 10/2 = 5 
 33 – 17 = 16/2 = 8 
 29 – 15 = 14/2 = 7 
 
8. 1 
8. (4
2
 + 3
2
) / (2 + 5) = 2.50 
 (6
2
 + 8
2
) / (4 + 2) = 12.50 
 Similarly, 
 (5
2
 + 2
2
) / (9 + 2) = 1.61 
 
9. 2 
9. Both middle boxes are opposite faces for 5 ? 2 
 
10. 2 
 
  
 
 
10.  
 
 1 fig ? 7 
 2 fig ? 7 
 4 fig ? 1 
 7 fig ? 1 
 11 fig ? 1 
 Total  = 17 
 
11. 3 
11.  
H 
A 
B C D 
E 
F G 
 
 AH, AB, HF, BD, HB, FD, HD, BF, GC, AE, AF, AD 
 Total = 12 
 
12. 1 
12. 
      1 
      2 
      3 
      4 
      5 
1 2 3 4 5 6  
 
 (1 + 2 + 3 + 4 + 5 + 6) ? ((1 + 2 + 3 + 4) 
 = 21 ? 15 = 315 
 
13. 3 
13.  
P 
Q 
S 
U 
T 
R 
 
 
14. 4 
14.  
P 
Q 
S 
U 
T 
R 
 
 
15. 1 
Page 4


 
  
 
 
 
NTSE STAGE – I (HARYANA STATE)  
SET – A  
(2020 – 21)  
 (For Class – X) 
MENTAL ABILITY TEST (MAT) 
 
ANSWER KEYS 
 1. 2 2. 3 3. 4 4. 4 
 5. 1 6. 3 7. 1 8. 1 
 9. 2 10. 2 11. 3 12. 1 
 13. 3 14. 4 15. 1 16. 2 
 17. 4 18. 3 19. 1 20. 1 
 21. 3 22. 1 23. 4 24. 3 
 25. 4 26. 3 27. 4 28. 3 
 29. 4 30. 3 31. 3 32. 2 
 33. 2 34. 3 35. 1 36. 4  
 37. 4 38. 1 39. 1 40. 3  
 41. 2 42. 4 43. 4 44. 4  
 45. 1 46. 4 47. 3 48. 1  
 49. 2 50. 4 51. 1 & 4 both 52. 2  
 53. 2 54. 1 55. 2 56. 2  
 57. 3 58. 4 59. 3 60. 2   
 61. 2 62. 2 63. 2 64. 2 
 65. 4 66. 1 67. 4 68. 3  
 69 1 70. 1 71. 2 72. 1 
 73. 4 74. 4 75. Bonus 76. 2 
 77. 2 78. 1 79. 4 80. 2  
 81. 1 82. 2 83. 4 84. 4  
 85. 3 & 4 86. 4 87. 3 88. 1  
 89. Bonus 90. 1 91. 2 92. 4  
 93. 3 94. 3 95. 2 96. 2 
 97. 4 98. 3 99. 4 100. 4 
 
 
 
 
  
 
 
 
NTSE STAGE – I (HARYANA STATE) 
SET – A  
(2020 – 21)  
(For Class – X) 
MENTAL ABILITY TEST (MAT) 
 
SOLUTIONS 
1. 2 
1. ?(–2) series 
 
2. 3 
2. Denominator decreases by factor 
2
3
 
 
3. 4 
3. Middle term is product of two of its adjacent terms. 
 6 ? 7 = 42 
 
4. 4 
4. 1
st
 series ? +3, +3, +3 
 2
nd
 series ? ?2, ?2, ?2 
 20 ? 2 = 40 
 
5. 1 
5. Dual series 
 1
st
 series ?  –10, –8, –6 
 2
nd
 series ? ?3, ?2, ?1  
 ? 12 – 6 = 6 
 
6. 3 
6. (3 + 4)
2
 = 49, (7 + 5)
2
 = 144 
 (5 + 1)
2
 = 36 
 ? (8 + 2)
2
 = 100 
 
7. 1 
7. 21 – 11 = 10/2 = 5 
 33 – 17 = 16/2 = 8 
 29 – 15 = 14/2 = 7 
 
8. 1 
8. (4
2
 + 3
2
) / (2 + 5) = 2.50 
 (6
2
 + 8
2
) / (4 + 2) = 12.50 
 Similarly, 
 (5
2
 + 2
2
) / (9 + 2) = 1.61 
 
9. 2 
9. Both middle boxes are opposite faces for 5 ? 2 
 
10. 2 
 
  
 
 
10.  
 
 1 fig ? 7 
 2 fig ? 7 
 4 fig ? 1 
 7 fig ? 1 
 11 fig ? 1 
 Total  = 17 
 
11. 3 
11.  
H 
A 
B C D 
E 
F G 
 
 AH, AB, HF, BD, HB, FD, HD, BF, GC, AE, AF, AD 
 Total = 12 
 
12. 1 
12. 
      1 
      2 
      3 
      4 
      5 
1 2 3 4 5 6  
 
 (1 + 2 + 3 + 4 + 5 + 6) ? ((1 + 2 + 3 + 4) 
 = 21 ? 15 = 315 
 
13. 3 
13.  
P 
Q 
S 
U 
T 
R 
 
 
14. 4 
14.  
P 
Q 
S 
U 
T 
R 
 
 
15. 1 
 
  
 
 
15.  
P 
Q 
S 
U 
T 
R 
 
 
16. 2 
16. Through option (2) 
  
 
Male 
Female 
M R 
S 
Q 
 
 
17. 4 
17. From option (4) 
  
 
J 
M 
W 
 
 M is grandfather of W. 
 
18. 3 
18. From Option (3) 
 748 and 518 written as 
 874 – 851 = 23 (minimum) 
 
19. 1 
19. S L 2 = ? P C 7 % E H @ ? 8 K B M 5 T V 3 
 Only 1 
 
20. 1 
20. S L = ? P C % E H @ ? K B M T V 3 * 
 14 – 7 = 7
th
 from left is %  
 
21. 3 
21.  S  L 2 = ? P C 7 % E H @ ? K B M 5 T V 3 * 
 
 
22. 1 
22. Father is related to speed, all others are related to size. 
 
23. 4 
23. The nearest meaning of ROSE is STOOD. 
 
24. 3 
Page 5


 
  
 
 
 
NTSE STAGE – I (HARYANA STATE)  
SET – A  
(2020 – 21)  
 (For Class – X) 
MENTAL ABILITY TEST (MAT) 
 
ANSWER KEYS 
 1. 2 2. 3 3. 4 4. 4 
 5. 1 6. 3 7. 1 8. 1 
 9. 2 10. 2 11. 3 12. 1 
 13. 3 14. 4 15. 1 16. 2 
 17. 4 18. 3 19. 1 20. 1 
 21. 3 22. 1 23. 4 24. 3 
 25. 4 26. 3 27. 4 28. 3 
 29. 4 30. 3 31. 3 32. 2 
 33. 2 34. 3 35. 1 36. 4  
 37. 4 38. 1 39. 1 40. 3  
 41. 2 42. 4 43. 4 44. 4  
 45. 1 46. 4 47. 3 48. 1  
 49. 2 50. 4 51. 1 & 4 both 52. 2  
 53. 2 54. 1 55. 2 56. 2  
 57. 3 58. 4 59. 3 60. 2   
 61. 2 62. 2 63. 2 64. 2 
 65. 4 66. 1 67. 4 68. 3  
 69 1 70. 1 71. 2 72. 1 
 73. 4 74. 4 75. Bonus 76. 2 
 77. 2 78. 1 79. 4 80. 2  
 81. 1 82. 2 83. 4 84. 4  
 85. 3 & 4 86. 4 87. 3 88. 1  
 89. Bonus 90. 1 91. 2 92. 4  
 93. 3 94. 3 95. 2 96. 2 
 97. 4 98. 3 99. 4 100. 4 
 
 
 
 
  
 
 
 
NTSE STAGE – I (HARYANA STATE) 
SET – A  
(2020 – 21)  
(For Class – X) 
MENTAL ABILITY TEST (MAT) 
 
SOLUTIONS 
1. 2 
1. ?(–2) series 
 
2. 3 
2. Denominator decreases by factor 
2
3
 
 
3. 4 
3. Middle term is product of two of its adjacent terms. 
 6 ? 7 = 42 
 
4. 4 
4. 1
st
 series ? +3, +3, +3 
 2
nd
 series ? ?2, ?2, ?2 
 20 ? 2 = 40 
 
5. 1 
5. Dual series 
 1
st
 series ?  –10, –8, –6 
 2
nd
 series ? ?3, ?2, ?1  
 ? 12 – 6 = 6 
 
6. 3 
6. (3 + 4)
2
 = 49, (7 + 5)
2
 = 144 
 (5 + 1)
2
 = 36 
 ? (8 + 2)
2
 = 100 
 
7. 1 
7. 21 – 11 = 10/2 = 5 
 33 – 17 = 16/2 = 8 
 29 – 15 = 14/2 = 7 
 
8. 1 
8. (4
2
 + 3
2
) / (2 + 5) = 2.50 
 (6
2
 + 8
2
) / (4 + 2) = 12.50 
 Similarly, 
 (5
2
 + 2
2
) / (9 + 2) = 1.61 
 
9. 2 
9. Both middle boxes are opposite faces for 5 ? 2 
 
10. 2 
 
  
 
 
10.  
 
 1 fig ? 7 
 2 fig ? 7 
 4 fig ? 1 
 7 fig ? 1 
 11 fig ? 1 
 Total  = 17 
 
11. 3 
11.  
H 
A 
B C D 
E 
F G 
 
 AH, AB, HF, BD, HB, FD, HD, BF, GC, AE, AF, AD 
 Total = 12 
 
12. 1 
12. 
      1 
      2 
      3 
      4 
      5 
1 2 3 4 5 6  
 
 (1 + 2 + 3 + 4 + 5 + 6) ? ((1 + 2 + 3 + 4) 
 = 21 ? 15 = 315 
 
13. 3 
13.  
P 
Q 
S 
U 
T 
R 
 
 
14. 4 
14.  
P 
Q 
S 
U 
T 
R 
 
 
15. 1 
 
  
 
 
15.  
P 
Q 
S 
U 
T 
R 
 
 
16. 2 
16. Through option (2) 
  
 
Male 
Female 
M R 
S 
Q 
 
 
17. 4 
17. From option (4) 
  
 
J 
M 
W 
 
 M is grandfather of W. 
 
18. 3 
18. From Option (3) 
 748 and 518 written as 
 874 – 851 = 23 (minimum) 
 
19. 1 
19. S L 2 = ? P C 7 % E H @ ? 8 K B M 5 T V 3 
 Only 1 
 
20. 1 
20. S L = ? P C % E H @ ? K B M T V 3 * 
 14 – 7 = 7
th
 from left is %  
 
21. 3 
21.  S  L 2 = ? P C 7 % E H @ ? K B M 5 T V 3 * 
 
 
22. 1 
22. Father is related to speed, all others are related to size. 
 
23. 4 
23. The nearest meaning of ROSE is STOOD. 
 
24. 3 
 
  
 
 
24.  
 
North 
15 
Starting point  
10 
10 
5 
 
 
25. 4 
25. His mother’s only daughter is his sister who is mother of Radha. 
 So, Radha is niece of the man. 
 
26. 3 
26. 40 + 12 ? 3 ? 6 – 60 
 40 + 24 – 60 
 64 – 60 = 4 
 
27. 4 
27. (4) ? 3 words 
 As, to, under 
 
28. 3 
28. Day before yesterday ? Thursday 
 Today ? Saturday 
 Tomorrow ? Sunday 
 
29. 4 
29. (A) Palisade 
 (E) Process 
 (D) Profession 
 (B) Protect 
 (C) Pursuit 
 
30. 3 
30. (E) Collapse 
 (B) Compensate 
 (A) Credential 
 (C) Credible 
 (D) Cremate 
 
31. 3 
31. Curator is incharge of museum. 
 Jailor is incharge of prison. 
 
32. 2 
32. L  A  B  O  U  R 
 3  1  2   5   6   4 
 
33. 2
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Apr 29, 2026 Last updated
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