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Andhra Pradesh: State Level Answer Key (MAT) - 2019-20

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 Page 1


  
 
 
   
NTSE – 2019 – Stage I (Andhra Pradesh State) 
(For class X Students) 
QUESTION PAPER CODE: 109213 
 
 
 
 
DATE OF EXAM: 03-11-2019  
 
 
1. 1 2. 3 3. 2 4. 2 5. 3 6. 4 
7. 3 8. 2 9. 3 10. 4 11. 4 12. 4 
13. 1 14. 4 15. 3 16. 2 17. 2 18. 2 
19. 1 20. 1 21. 1 22. 3 23. 1 24. 2 
25. 2 26. 1 27. 2 28. 1 29. 2 30. 2 
31. 3 32. 4 33. 1 34. 3 35. 4 36. 4 
37. 2 38. 3 39. 2 40. 2 41. 4 42. 4 
43. 1 44. 1 45. 3 46. 3 47. 3 48. 4 
49. 1 50. 4 51. 4 52. 4 53. 2 54. 1 
55. 4 56. 1 57. 4 58. 3 59. 3 60. 2 
61. 4 62. 3 63. 4 64. 1 65. 4 66. 2 
67. 3 68. 3 69. 1 70. 4 71. 4 72. 4 
73. 2 74. 1 75. 1 76. 3 77. 1 78. 1 
79. 1 80. 4 81. 2 82. 1 83. 1 84. 4 
85. 1 86. 1 87. 3 88. 3 89. 3 90. 3 
91. 3 92. 2 93. 2 94. 1 95. 3 96. 2 
97. 3 98. 1 99. 1 100. 3    
 
Page 2


  
 
 
   
NTSE – 2019 – Stage I (Andhra Pradesh State) 
(For class X Students) 
QUESTION PAPER CODE: 109213 
 
 
 
 
DATE OF EXAM: 03-11-2019  
 
 
1. 1 2. 3 3. 2 4. 2 5. 3 6. 4 
7. 3 8. 2 9. 3 10. 4 11. 4 12. 4 
13. 1 14. 4 15. 3 16. 2 17. 2 18. 2 
19. 1 20. 1 21. 1 22. 3 23. 1 24. 2 
25. 2 26. 1 27. 2 28. 1 29. 2 30. 2 
31. 3 32. 4 33. 1 34. 3 35. 4 36. 4 
37. 2 38. 3 39. 2 40. 2 41. 4 42. 4 
43. 1 44. 1 45. 3 46. 3 47. 3 48. 4 
49. 1 50. 4 51. 4 52. 4 53. 2 54. 1 
55. 4 56. 1 57. 4 58. 3 59. 3 60. 2 
61. 4 62. 3 63. 4 64. 1 65. 4 66. 2 
67. 3 68. 3 69. 1 70. 4 71. 4 72. 4 
73. 2 74. 1 75. 1 76. 3 77. 1 78. 1 
79. 1 80. 4 81. 2 82. 1 83. 1 84. 4 
85. 1 86. 1 87. 3 88. 3 89. 3 90. 3 
91. 3 92. 2 93. 2 94. 1 95. 3 96. 2 
97. 3 98. 1 99. 1 100. 3    
 
  
 
 
SOLUTIONS 
1. 1 
2. 3 
3. 2 
4. 2 
5. 3 
Sol:   
A
m
B
f
C
m
D
m
E
f
F
f
 
6. 4 
Sol:  3 4,3 5,3 9,3 14,3 23,3 37; ? ? ? ? ? ? 
 4,5,9,14,23,37, 23 37 ? 
7. 3 
Sol: Check the difference between consecutive numbers 
8. 2 
Sol: Even place numbers have a pattern 
9. 3 
Sol: Check Difference 
10. 4 
Sol: Check Difference 
11. 4 
Sol: Check Difference 
12. 4 
Sol: Differences are 18, 36, 60, 6 x 15  
13. 1 
Sol: Even place numbers 
14. 4 
Sol: Check difference 
15. 3 
Sol: Check difference 
16. 2 
17. 2 
18. 2 
19. 1 
20. 1 
Sol:  D = 7, Q = 4, N = 1, A = 9, T = 5, M = 6 
21. 1 
22. 3 
Page 3


  
 
 
   
NTSE – 2019 – Stage I (Andhra Pradesh State) 
(For class X Students) 
QUESTION PAPER CODE: 109213 
 
 
 
 
DATE OF EXAM: 03-11-2019  
 
 
1. 1 2. 3 3. 2 4. 2 5. 3 6. 4 
7. 3 8. 2 9. 3 10. 4 11. 4 12. 4 
13. 1 14. 4 15. 3 16. 2 17. 2 18. 2 
19. 1 20. 1 21. 1 22. 3 23. 1 24. 2 
25. 2 26. 1 27. 2 28. 1 29. 2 30. 2 
31. 3 32. 4 33. 1 34. 3 35. 4 36. 4 
37. 2 38. 3 39. 2 40. 2 41. 4 42. 4 
43. 1 44. 1 45. 3 46. 3 47. 3 48. 4 
49. 1 50. 4 51. 4 52. 4 53. 2 54. 1 
55. 4 56. 1 57. 4 58. 3 59. 3 60. 2 
61. 4 62. 3 63. 4 64. 1 65. 4 66. 2 
67. 3 68. 3 69. 1 70. 4 71. 4 72. 4 
73. 2 74. 1 75. 1 76. 3 77. 1 78. 1 
79. 1 80. 4 81. 2 82. 1 83. 1 84. 4 
85. 1 86. 1 87. 3 88. 3 89. 3 90. 3 
91. 3 92. 2 93. 2 94. 1 95. 3 96. 2 
97. 3 98. 1 99. 1 100. 3    
 
  
 
 
SOLUTIONS 
1. 1 
2. 3 
3. 2 
4. 2 
5. 3 
Sol:   
A
m
B
f
C
m
D
m
E
f
F
f
 
6. 4 
Sol:  3 4,3 5,3 9,3 14,3 23,3 37; ? ? ? ? ? ? 
 4,5,9,14,23,37, 23 37 ? 
7. 3 
Sol: Check the difference between consecutive numbers 
8. 2 
Sol: Even place numbers have a pattern 
9. 3 
Sol: Check Difference 
10. 4 
Sol: Check Difference 
11. 4 
Sol: Check Difference 
12. 4 
Sol: Differences are 18, 36, 60, 6 x 15  
13. 1 
Sol: Even place numbers 
14. 4 
Sol: Check difference 
15. 3 
Sol: Check difference 
16. 2 
17. 2 
18. 2 
19. 1 
20. 1 
Sol:  D = 7, Q = 4, N = 1, A = 9, T = 5, M = 6 
21. 1 
22. 3 
  
 
 
23. 1 
24. 2 
25. 2 
26. 1 
27. 2 
28. 1 
29. 2 
30. 2 
31. 3 
Sol: Mirror Image 
32. 4 
Sol: Rotate clockwise 
33. 1 
34. 3  
35. 4 
36. 4 
37. 2 
38. 3 
Sol: Symbols are rotated in anti-clockwise sense 
39. 2 
40. 2 
41. 4 
42. 4 
43. 1 
44. 1 
45. 3 
46. 3 
47. 3 
48. 4 
49. 1 
50. 4 
51. 4 
Sol. 
 
 
? ? 4 3 6 18 pa t t e r n ? ? ?
  
 
52. 4 
Sol. Square all and add to get middle 
53. 2 
Sol. Add all four corners 
Page 4


  
 
 
   
NTSE – 2019 – Stage I (Andhra Pradesh State) 
(For class X Students) 
QUESTION PAPER CODE: 109213 
 
 
 
 
DATE OF EXAM: 03-11-2019  
 
 
1. 1 2. 3 3. 2 4. 2 5. 3 6. 4 
7. 3 8. 2 9. 3 10. 4 11. 4 12. 4 
13. 1 14. 4 15. 3 16. 2 17. 2 18. 2 
19. 1 20. 1 21. 1 22. 3 23. 1 24. 2 
25. 2 26. 1 27. 2 28. 1 29. 2 30. 2 
31. 3 32. 4 33. 1 34. 3 35. 4 36. 4 
37. 2 38. 3 39. 2 40. 2 41. 4 42. 4 
43. 1 44. 1 45. 3 46. 3 47. 3 48. 4 
49. 1 50. 4 51. 4 52. 4 53. 2 54. 1 
55. 4 56. 1 57. 4 58. 3 59. 3 60. 2 
61. 4 62. 3 63. 4 64. 1 65. 4 66. 2 
67. 3 68. 3 69. 1 70. 4 71. 4 72. 4 
73. 2 74. 1 75. 1 76. 3 77. 1 78. 1 
79. 1 80. 4 81. 2 82. 1 83. 1 84. 4 
85. 1 86. 1 87. 3 88. 3 89. 3 90. 3 
91. 3 92. 2 93. 2 94. 1 95. 3 96. 2 
97. 3 98. 1 99. 1 100. 3    
 
  
 
 
SOLUTIONS 
1. 1 
2. 3 
3. 2 
4. 2 
5. 3 
Sol:   
A
m
B
f
C
m
D
m
E
f
F
f
 
6. 4 
Sol:  3 4,3 5,3 9,3 14,3 23,3 37; ? ? ? ? ? ? 
 4,5,9,14,23,37, 23 37 ? 
7. 3 
Sol: Check the difference between consecutive numbers 
8. 2 
Sol: Even place numbers have a pattern 
9. 3 
Sol: Check Difference 
10. 4 
Sol: Check Difference 
11. 4 
Sol: Check Difference 
12. 4 
Sol: Differences are 18, 36, 60, 6 x 15  
13. 1 
Sol: Even place numbers 
14. 4 
Sol: Check difference 
15. 3 
Sol: Check difference 
16. 2 
17. 2 
18. 2 
19. 1 
20. 1 
Sol:  D = 7, Q = 4, N = 1, A = 9, T = 5, M = 6 
21. 1 
22. 3 
  
 
 
23. 1 
24. 2 
25. 2 
26. 1 
27. 2 
28. 1 
29. 2 
30. 2 
31. 3 
Sol: Mirror Image 
32. 4 
Sol: Rotate clockwise 
33. 1 
34. 3  
35. 4 
36. 4 
37. 2 
38. 3 
Sol: Symbols are rotated in anti-clockwise sense 
39. 2 
40. 2 
41. 4 
42. 4 
43. 1 
44. 1 
45. 3 
46. 3 
47. 3 
48. 4 
49. 1 
50. 4 
51. 4 
Sol. 
 
 
? ? 4 3 6 18 pa t t e r n ? ? ?
  
 
52. 4 
Sol. Square all and add to get middle 
53. 2 
Sol. Add all four corners 
  
 
 
54. 1 
Sol. 
b
c
d
a
 
 ? ? d a c b ? ? ? 
55. 4 
Sol. Difference prime 
56. 1 
Sol. Multiply diagonal numbers 
57. 4 
Sol. Square and get opposite 
58. 3 
Sol. Each row is having common difference of 1 
59. 3 
Sol. Difference of squares of top elements 
 Ex: 
? ?
2 2
11 5 96 ? ? 
60. 2 
Sol. Common difference of 2 
61. 4 
Sol. Connect 1 twice and hence 2 twice 
62. 3 
Sol. Rotate 
63. 4 
Sol. Rotate 
64. 1 
65. 4 
66. 2 
67. 3 
68. 3 
69. 1 
70. 4 
71. 4 
72. 4 
73. 2 
74. 1 
75. 1 
Sol. 
T e a
? ? A T e a c h e r
? ? C D o c t o r
A d v o c a t e
C o f f e e
I n d u s t r i a l i s t
J o u r n a l i s t
B
D
 
Page 5


  
 
 
   
NTSE – 2019 – Stage I (Andhra Pradesh State) 
(For class X Students) 
QUESTION PAPER CODE: 109213 
 
 
 
 
DATE OF EXAM: 03-11-2019  
 
 
1. 1 2. 3 3. 2 4. 2 5. 3 6. 4 
7. 3 8. 2 9. 3 10. 4 11. 4 12. 4 
13. 1 14. 4 15. 3 16. 2 17. 2 18. 2 
19. 1 20. 1 21. 1 22. 3 23. 1 24. 2 
25. 2 26. 1 27. 2 28. 1 29. 2 30. 2 
31. 3 32. 4 33. 1 34. 3 35. 4 36. 4 
37. 2 38. 3 39. 2 40. 2 41. 4 42. 4 
43. 1 44. 1 45. 3 46. 3 47. 3 48. 4 
49. 1 50. 4 51. 4 52. 4 53. 2 54. 1 
55. 4 56. 1 57. 4 58. 3 59. 3 60. 2 
61. 4 62. 3 63. 4 64. 1 65. 4 66. 2 
67. 3 68. 3 69. 1 70. 4 71. 4 72. 4 
73. 2 74. 1 75. 1 76. 3 77. 1 78. 1 
79. 1 80. 4 81. 2 82. 1 83. 1 84. 4 
85. 1 86. 1 87. 3 88. 3 89. 3 90. 3 
91. 3 92. 2 93. 2 94. 1 95. 3 96. 2 
97. 3 98. 1 99. 1 100. 3    
 
  
 
 
SOLUTIONS 
1. 1 
2. 3 
3. 2 
4. 2 
5. 3 
Sol:   
A
m
B
f
C
m
D
m
E
f
F
f
 
6. 4 
Sol:  3 4,3 5,3 9,3 14,3 23,3 37; ? ? ? ? ? ? 
 4,5,9,14,23,37, 23 37 ? 
7. 3 
Sol: Check the difference between consecutive numbers 
8. 2 
Sol: Even place numbers have a pattern 
9. 3 
Sol: Check Difference 
10. 4 
Sol: Check Difference 
11. 4 
Sol: Check Difference 
12. 4 
Sol: Differences are 18, 36, 60, 6 x 15  
13. 1 
Sol: Even place numbers 
14. 4 
Sol: Check difference 
15. 3 
Sol: Check difference 
16. 2 
17. 2 
18. 2 
19. 1 
20. 1 
Sol:  D = 7, Q = 4, N = 1, A = 9, T = 5, M = 6 
21. 1 
22. 3 
  
 
 
23. 1 
24. 2 
25. 2 
26. 1 
27. 2 
28. 1 
29. 2 
30. 2 
31. 3 
Sol: Mirror Image 
32. 4 
Sol: Rotate clockwise 
33. 1 
34. 3  
35. 4 
36. 4 
37. 2 
38. 3 
Sol: Symbols are rotated in anti-clockwise sense 
39. 2 
40. 2 
41. 4 
42. 4 
43. 1 
44. 1 
45. 3 
46. 3 
47. 3 
48. 4 
49. 1 
50. 4 
51. 4 
Sol. 
 
 
? ? 4 3 6 18 pa t t e r n ? ? ?
  
 
52. 4 
Sol. Square all and add to get middle 
53. 2 
Sol. Add all four corners 
  
 
 
54. 1 
Sol. 
b
c
d
a
 
 ? ? d a c b ? ? ? 
55. 4 
Sol. Difference prime 
56. 1 
Sol. Multiply diagonal numbers 
57. 4 
Sol. Square and get opposite 
58. 3 
Sol. Each row is having common difference of 1 
59. 3 
Sol. Difference of squares of top elements 
 Ex: 
? ?
2 2
11 5 96 ? ? 
60. 2 
Sol. Common difference of 2 
61. 4 
Sol. Connect 1 twice and hence 2 twice 
62. 3 
Sol. Rotate 
63. 4 
Sol. Rotate 
64. 1 
65. 4 
66. 2 
67. 3 
68. 3 
69. 1 
70. 4 
71. 4 
72. 4 
73. 2 
74. 1 
75. 1 
Sol. 
T e a
? ? A T e a c h e r
? ? C D o c t o r
A d v o c a t e
C o f f e e
I n d u s t r i a l i s t
J o u r n a l i s t
B
D
 
  
 
 
76. 3 
77. 1 
78. 1 
79. 1 
80. 4 
81. 2 
82. 1 
83. 1 
84. 4 
85. 1 
86. 1 
87. 3 
88. 3 
89. 3 
90. 3 
91. 3 
Sol. Alternate facing 
92. 2 
Sol. Rotate and see up and down semicircle 
93. 2 
94. 1 
Sol. Rotate 
95. 3 
Sol. All are crest down 
96. 2 
97. 3 
Sol. Triangle missing 
98. 1 
Sol. Rotate 
99. 1 
100. 3 
Sol. Rotate (clockwise) 
 
 
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