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Page 1
NTSE STAGE – I (HARYANA STATE)
(For Class – X)
MATHEMATICAL APTITUDE TEST (MAT)
ANSWER KEYS (SET – C)
1. 4 2. 4 3. 3 4. 2
5. 4 6. 3 7. ? 8. 1
9. 1 10. 3 11. 4 12. 3
13. 4 14. 2 15. 1 16. 3
17. 3 18. 1 19. 1 20. 3
21. 1 22. 1 23. 1 or 3 24. 3
25. 2 26. 3 27. 1 28. 2
29. 2 30. 1 31. 3 32. ?
33. 4 34. 2 35. 4 36. 2
37. 3 38. 1 39. 1 40. 4
41. 1 42. 3 43. 1 44. 4
45. 3 46. 2 47. 4 48. 1
49. ? 50. 3 51. 2 52. 4
53. ? 54. 4 55. 3 56. 2
57. ? 58. 2 59. 3 60. 4
61. 4 62. 1 63. 3 64. 4
65. 4 66. 2 67. 1 68. ?
69. 3 70. 2 71. 2 72. ?
73. 1 74. 1 75. 2 76. 4
77. 3 78. 2 79. 2 80. 1
81. 1 82. 1 83. 2 84. 1
85. 3 86. 4 87. 2 88. 3
89. 3 90. 2 91. 1 92. 2
93. 3 94. 1 95. 2 96. 1
97. 4 98. 1 99. ? 100. 3
* No option is correct
Page 2
NTSE STAGE – I (HARYANA STATE)
(For Class – X)
MATHEMATICAL APTITUDE TEST (MAT)
ANSWER KEYS (SET – C)
1. 4 2. 4 3. 3 4. 2
5. 4 6. 3 7. ? 8. 1
9. 1 10. 3 11. 4 12. 3
13. 4 14. 2 15. 1 16. 3
17. 3 18. 1 19. 1 20. 3
21. 1 22. 1 23. 1 or 3 24. 3
25. 2 26. 3 27. 1 28. 2
29. 2 30. 1 31. 3 32. ?
33. 4 34. 2 35. 4 36. 2
37. 3 38. 1 39. 1 40. 4
41. 1 42. 3 43. 1 44. 4
45. 3 46. 2 47. 4 48. 1
49. ? 50. 3 51. 2 52. 4
53. ? 54. 4 55. 3 56. 2
57. ? 58. 2 59. 3 60. 4
61. 4 62. 1 63. 3 64. 4
65. 4 66. 2 67. 1 68. ?
69. 3 70. 2 71. 2 72. ?
73. 1 74. 1 75. 2 76. 4
77. 3 78. 2 79. 2 80. 1
81. 1 82. 1 83. 2 84. 1
85. 3 86. 4 87. 2 88. 3
89. 3 90. 2 91. 1 92. 2
93. 3 94. 1 95. 2 96. 1
97. 4 98. 1 99. ? 100. 3
* No option is correct
MATHEMATICAL APTITUDE TEST (MAT)
HINTS & SOLUTIONS (SET – C)
1. 4
1. B U S H ? 2 + 21 + 19 + 8 = 50
2 21 19 8
C A M P ? 3 + 1 + 13 + 16 = 33
3 1 13 16
Similarly L I K E ? 12 + 9 + 11 + 5 = 37
12 9 11 5
2. 4
2. B U R N ? 2 + 21 + 18 + 14 = 55
2 21 18 14
C U R T ? 3 + 21 + 18 + 20 = 62
3 21 18 20
D U C K ? 4 + 21 + 3 + 11 = 39
4 21 3 11
B U O Y ? 2 + 21 + 15 + 25 = 63
2 21 15 25
3. 3
3. K I N G : C A S T
11 9 14 7 3 1 19 20
41 ? 43
B U R Y : S U R E
2 21 18 25 19 21 18 5
66 ? 63
R I C H : B O A T
18 9 3 8 2 15 1 20
38 = 38
B L U E : C A N T
2 12 21 5 3 1 14 20
40 ? 38
4. 2
4. X + Y = 24 + 25 = 49 ? 50
Z – T = 26 – 20 = 6 = 6
B ? V = 2 ? 22 = 44 ? 41
R ? I = 18 ? 9 = 2 ? 5
5. 4
5. M O N K E Y ? 13 + 15 + 14 + 11 + 5 + 25 = 83
13 15 14 11 5 25
D O G J A C K Y ? 4 + 15 + 7 + 10 + 1 + 3 + 11 + 25 = 76
Page 3
NTSE STAGE – I (HARYANA STATE)
(For Class – X)
MATHEMATICAL APTITUDE TEST (MAT)
ANSWER KEYS (SET – C)
1. 4 2. 4 3. 3 4. 2
5. 4 6. 3 7. ? 8. 1
9. 1 10. 3 11. 4 12. 3
13. 4 14. 2 15. 1 16. 3
17. 3 18. 1 19. 1 20. 3
21. 1 22. 1 23. 1 or 3 24. 3
25. 2 26. 3 27. 1 28. 2
29. 2 30. 1 31. 3 32. ?
33. 4 34. 2 35. 4 36. 2
37. 3 38. 1 39. 1 40. 4
41. 1 42. 3 43. 1 44. 4
45. 3 46. 2 47. 4 48. 1
49. ? 50. 3 51. 2 52. 4
53. ? 54. 4 55. 3 56. 2
57. ? 58. 2 59. 3 60. 4
61. 4 62. 1 63. 3 64. 4
65. 4 66. 2 67. 1 68. ?
69. 3 70. 2 71. 2 72. ?
73. 1 74. 1 75. 2 76. 4
77. 3 78. 2 79. 2 80. 1
81. 1 82. 1 83. 2 84. 1
85. 3 86. 4 87. 2 88. 3
89. 3 90. 2 91. 1 92. 2
93. 3 94. 1 95. 2 96. 1
97. 4 98. 1 99. ? 100. 3
* No option is correct
MATHEMATICAL APTITUDE TEST (MAT)
HINTS & SOLUTIONS (SET – C)
1. 4
1. B U S H ? 2 + 21 + 19 + 8 = 50
2 21 19 8
C A M P ? 3 + 1 + 13 + 16 = 33
3 1 13 16
Similarly L I K E ? 12 + 9 + 11 + 5 = 37
12 9 11 5
2. 4
2. B U R N ? 2 + 21 + 18 + 14 = 55
2 21 18 14
C U R T ? 3 + 21 + 18 + 20 = 62
3 21 18 20
D U C K ? 4 + 21 + 3 + 11 = 39
4 21 3 11
B U O Y ? 2 + 21 + 15 + 25 = 63
2 21 15 25
3. 3
3. K I N G : C A S T
11 9 14 7 3 1 19 20
41 ? 43
B U R Y : S U R E
2 21 18 25 19 21 18 5
66 ? 63
R I C H : B O A T
18 9 3 8 2 15 1 20
38 = 38
B L U E : C A N T
2 12 21 5 3 1 14 20
40 ? 38
4. 2
4. X + Y = 24 + 25 = 49 ? 50
Z – T = 26 – 20 = 6 = 6
B ? V = 2 ? 22 = 44 ? 41
R ? I = 18 ? 9 = 2 ? 5
5. 4
5. M O N K E Y ? 13 + 15 + 14 + 11 + 5 + 25 = 83
13 15 14 11 5 25
D O G J A C K Y ? 4 + 15 + 7 + 10 + 1 + 3 + 11 + 25 = 76
4 15 7 10 1 3 11 25
H A I H A P P Y ? 8 + 1 + 9 + 8 + 1 + 16 + 16 + 25 = 84
8 1 9 8 1 16 16 25
S O L U C K Y ? 19 + 15 + 12 + 21 + 3 + 11 + 25 = 106
19 15 12 21 3 11 25
6. 3
6. T + E = Y
20 + 5 = 25
O + K = Z
15 + 11 = 26
Similarly
R + G = Y
18 + 7 = 25
7. ? No option is correct
7. In every 2 hours, hour hand & min. hand will be 4 times at right angles i.e. in 24 hours 48
times, but between 2:00 (am/pm) & 4:00 (am/pm) and between 8:00 (am/pm) & 10:00
(am/pm) they form right angle only 3 times.
? In 24 hours right angle between hands will be formed 44 times.
8. 1
8. Speed = 92.7 km/h =
5
92.7 m / sec
18
? ? 25.75 m/sec
Time = 17 min = 17 ? 60 = 1020 sec
? Distance = Speed ? Time
= 25.75 ? 1020 ? 26265 m
9. 1
9. Mie pie = blue light
Mie tie = blue berry
aie tie = rasp berry
Clearly, light fly = pie zie
Page 4
NTSE STAGE – I (HARYANA STATE)
(For Class – X)
MATHEMATICAL APTITUDE TEST (MAT)
ANSWER KEYS (SET – C)
1. 4 2. 4 3. 3 4. 2
5. 4 6. 3 7. ? 8. 1
9. 1 10. 3 11. 4 12. 3
13. 4 14. 2 15. 1 16. 3
17. 3 18. 1 19. 1 20. 3
21. 1 22. 1 23. 1 or 3 24. 3
25. 2 26. 3 27. 1 28. 2
29. 2 30. 1 31. 3 32. ?
33. 4 34. 2 35. 4 36. 2
37. 3 38. 1 39. 1 40. 4
41. 1 42. 3 43. 1 44. 4
45. 3 46. 2 47. 4 48. 1
49. ? 50. 3 51. 2 52. 4
53. ? 54. 4 55. 3 56. 2
57. ? 58. 2 59. 3 60. 4
61. 4 62. 1 63. 3 64. 4
65. 4 66. 2 67. 1 68. ?
69. 3 70. 2 71. 2 72. ?
73. 1 74. 1 75. 2 76. 4
77. 3 78. 2 79. 2 80. 1
81. 1 82. 1 83. 2 84. 1
85. 3 86. 4 87. 2 88. 3
89. 3 90. 2 91. 1 92. 2
93. 3 94. 1 95. 2 96. 1
97. 4 98. 1 99. ? 100. 3
* No option is correct
MATHEMATICAL APTITUDE TEST (MAT)
HINTS & SOLUTIONS (SET – C)
1. 4
1. B U S H ? 2 + 21 + 19 + 8 = 50
2 21 19 8
C A M P ? 3 + 1 + 13 + 16 = 33
3 1 13 16
Similarly L I K E ? 12 + 9 + 11 + 5 = 37
12 9 11 5
2. 4
2. B U R N ? 2 + 21 + 18 + 14 = 55
2 21 18 14
C U R T ? 3 + 21 + 18 + 20 = 62
3 21 18 20
D U C K ? 4 + 21 + 3 + 11 = 39
4 21 3 11
B U O Y ? 2 + 21 + 15 + 25 = 63
2 21 15 25
3. 3
3. K I N G : C A S T
11 9 14 7 3 1 19 20
41 ? 43
B U R Y : S U R E
2 21 18 25 19 21 18 5
66 ? 63
R I C H : B O A T
18 9 3 8 2 15 1 20
38 = 38
B L U E : C A N T
2 12 21 5 3 1 14 20
40 ? 38
4. 2
4. X + Y = 24 + 25 = 49 ? 50
Z – T = 26 – 20 = 6 = 6
B ? V = 2 ? 22 = 44 ? 41
R ? I = 18 ? 9 = 2 ? 5
5. 4
5. M O N K E Y ? 13 + 15 + 14 + 11 + 5 + 25 = 83
13 15 14 11 5 25
D O G J A C K Y ? 4 + 15 + 7 + 10 + 1 + 3 + 11 + 25 = 76
4 15 7 10 1 3 11 25
H A I H A P P Y ? 8 + 1 + 9 + 8 + 1 + 16 + 16 + 25 = 84
8 1 9 8 1 16 16 25
S O L U C K Y ? 19 + 15 + 12 + 21 + 3 + 11 + 25 = 106
19 15 12 21 3 11 25
6. 3
6. T + E = Y
20 + 5 = 25
O + K = Z
15 + 11 = 26
Similarly
R + G = Y
18 + 7 = 25
7. ? No option is correct
7. In every 2 hours, hour hand & min. hand will be 4 times at right angles i.e. in 24 hours 48
times, but between 2:00 (am/pm) & 4:00 (am/pm) and between 8:00 (am/pm) & 10:00
(am/pm) they form right angle only 3 times.
? In 24 hours right angle between hands will be formed 44 times.
8. 1
8. Speed = 92.7 km/h =
5
92.7 m / sec
18
? ? 25.75 m/sec
Time = 17 min = 17 ? 60 = 1020 sec
? Distance = Speed ? Time
= 25.75 ? 1020 ? 26265 m
9. 1
9. Mie pie = blue light
Mie tie = blue berry
aie tie = rasp berry
Clearly, light fly = pie zie
10. 3
10. S T U D E N T
–1 –1 –1 +1 –1 –1 –1
R S T E D M S
Similarly
T E A C H E R
–1 –1 –1 +1 –1 –1 –1
S D Z D G D Q
11. 4
11. C H A I R
+3 +3 +3 +3 +3
F K D L U
Similarly,
R A I D
+3 +3 +3 +3
U D L G
12. 3
12. H N D T
l l l l
3 6 9 4
Similarly,
T H D
l l l (Direct letter coding)
4 3 9
13. 4
13. Written in reverse order:
I N K P O T
I N K P O T
14. 2
14. Athletes among youth who are not footballers are represented the letter which common to
rectangle & circle but not triangle i.e. ‘g’.
15. 1
15.
clock
Alarm
Birds
cuckoo
clock
Alarm
Birds
cuckoo
Or
Page 5
NTSE STAGE – I (HARYANA STATE)
(For Class – X)
MATHEMATICAL APTITUDE TEST (MAT)
ANSWER KEYS (SET – C)
1. 4 2. 4 3. 3 4. 2
5. 4 6. 3 7. ? 8. 1
9. 1 10. 3 11. 4 12. 3
13. 4 14. 2 15. 1 16. 3
17. 3 18. 1 19. 1 20. 3
21. 1 22. 1 23. 1 or 3 24. 3
25. 2 26. 3 27. 1 28. 2
29. 2 30. 1 31. 3 32. ?
33. 4 34. 2 35. 4 36. 2
37. 3 38. 1 39. 1 40. 4
41. 1 42. 3 43. 1 44. 4
45. 3 46. 2 47. 4 48. 1
49. ? 50. 3 51. 2 52. 4
53. ? 54. 4 55. 3 56. 2
57. ? 58. 2 59. 3 60. 4
61. 4 62. 1 63. 3 64. 4
65. 4 66. 2 67. 1 68. ?
69. 3 70. 2 71. 2 72. ?
73. 1 74. 1 75. 2 76. 4
77. 3 78. 2 79. 2 80. 1
81. 1 82. 1 83. 2 84. 1
85. 3 86. 4 87. 2 88. 3
89. 3 90. 2 91. 1 92. 2
93. 3 94. 1 95. 2 96. 1
97. 4 98. 1 99. ? 100. 3
* No option is correct
MATHEMATICAL APTITUDE TEST (MAT)
HINTS & SOLUTIONS (SET – C)
1. 4
1. B U S H ? 2 + 21 + 19 + 8 = 50
2 21 19 8
C A M P ? 3 + 1 + 13 + 16 = 33
3 1 13 16
Similarly L I K E ? 12 + 9 + 11 + 5 = 37
12 9 11 5
2. 4
2. B U R N ? 2 + 21 + 18 + 14 = 55
2 21 18 14
C U R T ? 3 + 21 + 18 + 20 = 62
3 21 18 20
D U C K ? 4 + 21 + 3 + 11 = 39
4 21 3 11
B U O Y ? 2 + 21 + 15 + 25 = 63
2 21 15 25
3. 3
3. K I N G : C A S T
11 9 14 7 3 1 19 20
41 ? 43
B U R Y : S U R E
2 21 18 25 19 21 18 5
66 ? 63
R I C H : B O A T
18 9 3 8 2 15 1 20
38 = 38
B L U E : C A N T
2 12 21 5 3 1 14 20
40 ? 38
4. 2
4. X + Y = 24 + 25 = 49 ? 50
Z – T = 26 – 20 = 6 = 6
B ? V = 2 ? 22 = 44 ? 41
R ? I = 18 ? 9 = 2 ? 5
5. 4
5. M O N K E Y ? 13 + 15 + 14 + 11 + 5 + 25 = 83
13 15 14 11 5 25
D O G J A C K Y ? 4 + 15 + 7 + 10 + 1 + 3 + 11 + 25 = 76
4 15 7 10 1 3 11 25
H A I H A P P Y ? 8 + 1 + 9 + 8 + 1 + 16 + 16 + 25 = 84
8 1 9 8 1 16 16 25
S O L U C K Y ? 19 + 15 + 12 + 21 + 3 + 11 + 25 = 106
19 15 12 21 3 11 25
6. 3
6. T + E = Y
20 + 5 = 25
O + K = Z
15 + 11 = 26
Similarly
R + G = Y
18 + 7 = 25
7. ? No option is correct
7. In every 2 hours, hour hand & min. hand will be 4 times at right angles i.e. in 24 hours 48
times, but between 2:00 (am/pm) & 4:00 (am/pm) and between 8:00 (am/pm) & 10:00
(am/pm) they form right angle only 3 times.
? In 24 hours right angle between hands will be formed 44 times.
8. 1
8. Speed = 92.7 km/h =
5
92.7 m / sec
18
? ? 25.75 m/sec
Time = 17 min = 17 ? 60 = 1020 sec
? Distance = Speed ? Time
= 25.75 ? 1020 ? 26265 m
9. 1
9. Mie pie = blue light
Mie tie = blue berry
aie tie = rasp berry
Clearly, light fly = pie zie
10. 3
10. S T U D E N T
–1 –1 –1 +1 –1 –1 –1
R S T E D M S
Similarly
T E A C H E R
–1 –1 –1 +1 –1 –1 –1
S D Z D G D Q
11. 4
11. C H A I R
+3 +3 +3 +3 +3
F K D L U
Similarly,
R A I D
+3 +3 +3 +3
U D L G
12. 3
12. H N D T
l l l l
3 6 9 4
Similarly,
T H D
l l l (Direct letter coding)
4 3 9
13. 4
13. Written in reverse order:
I N K P O T
I N K P O T
14. 2
14. Athletes among youth who are not footballers are represented the letter which common to
rectangle & circle but not triangle i.e. ‘g’.
15. 1
15.
clock
Alarm
Birds
cuckoo
clock
Alarm
Birds
cuckoo
Or
16. 3
16. 12
2
+ 5
2
= 13
2
15
2
+ 8
2
= 17
2
Similarly,
40
2
+ 9
2
= 41
2
17. 3
17. As per observation
18. 1
18. As per observation
19. 1
19. As per observation
20. 3
20. As per observation
21. 1
21. As per observation.
22. 1
22. As per observation.
23. 1 or 3
23. If we consider option 1 then size of lines is short, and if we consider option 3 then proper
circle is not formed.
24. 3
24. As per observation.
25. 2
25. As per observation
26. 3
26. As per observation.
27. 1
27. As per observation.
28. 2
28. As per observation
29. 2
29. CI, AJ, ED, FB, JD, IB, CF, AE, AC, GH, BD, AB, CD.
30. 1
30.
E F
B A
G
O
C
H
D
J I
L
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