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NTSE 2015 NTSE 2015 NTSE 2015 NTSE 2015- - - -16 16 16 16    
MAT (SET MAT (SET MAT (SET MAT (SET – – – –    B B B B) ) ) )    
HINTS & SOLUTION HINTS & SOLUTION HINTS & SOLUTION HINTS & SOLUTION    
 
 
 
1. C 
2. B 
3. B 
4. C 
5. B 
6. C 
7. B 
8. A 
9. D 
10. A 
11. C 
12. D 
13. C 
14. B 
15. B 
16. D 
17. C 
18. A 
19. B 
20. C 
21. B or D 
22. C 
23. C 
24. D 
25. B 
26. D 
27. D 
 
( ) N J + ?? ? 
 
       ( ) ( ) I C - ?? ? - 
 
28. D 
 
( ) ( )
( ) ( )
Q M
R T
+ × -
? ?
+ ? -
 
 
29. A 
 
F(–) × M(+) 
 
 
       K 
 
 
 
 
 
 
Page 2


 
 
 
NTSE 2015 NTSE 2015 NTSE 2015 NTSE 2015- - - -16 16 16 16    
MAT (SET MAT (SET MAT (SET MAT (SET – – – –    B B B B) ) ) )    
HINTS & SOLUTION HINTS & SOLUTION HINTS & SOLUTION HINTS & SOLUTION    
 
 
 
1. C 
2. B 
3. B 
4. C 
5. B 
6. C 
7. B 
8. A 
9. D 
10. A 
11. C 
12. D 
13. C 
14. B 
15. B 
16. D 
17. C 
18. A 
19. B 
20. C 
21. B or D 
22. C 
23. C 
24. D 
25. B 
26. D 
27. D 
 
( ) N J + ?? ? 
 
       ( ) ( ) I C - ?? ? - 
 
28. D 
 
( ) ( )
( ) ( )
Q M
R T
+ × -
? ?
+ ? -
 
 
29. A 
 
F(–) × M(+) 
 
 
       K 
 
 
 
 
 
 
 
 
 
 
 
30. B 
31. A 
32. D 
 
 
 
 
 
 
 
33. A 
 
 
 
 
 
Z, S, W, O, T, K, Q, G, N, C 
 
 
 
 
 
34. B 
35. D 
 
Z 
2 -
?? ? X 
5 -
?? ? S 
10 -
??? I 
17 -
??? R 
26 -
??? R 
37 -
??? G 
50 -
??? I. 
 
36. B 
37. C 
38. A 
39. D 
 
n =4 
6(n – 2)
2
 = 6 × 4 = 24 
 
40. B 
 
(n – 2)
3
 ? 2
3
 = 8 
 
41. C 
42. D 
 
12(n – 2) = 12(2) = 24. 
 
43. C 
44. C 
45. B 
46. B 
47. D 
3   6   9 
            +12             +25           +36    
  15   31   45 
            +12             +25            +36 
  27   56   81 
 
 
48. B 
4 -
4 -
4 -
4 -
3 -
3 -
3 -
3 -
M
K
P
R
T
W
V
D
Page 3


 
 
 
NTSE 2015 NTSE 2015 NTSE 2015 NTSE 2015- - - -16 16 16 16    
MAT (SET MAT (SET MAT (SET MAT (SET – – – –    B B B B) ) ) )    
HINTS & SOLUTION HINTS & SOLUTION HINTS & SOLUTION HINTS & SOLUTION    
 
 
 
1. C 
2. B 
3. B 
4. C 
5. B 
6. C 
7. B 
8. A 
9. D 
10. A 
11. C 
12. D 
13. C 
14. B 
15. B 
16. D 
17. C 
18. A 
19. B 
20. C 
21. B or D 
22. C 
23. C 
24. D 
25. B 
26. D 
27. D 
 
( ) N J + ?? ? 
 
       ( ) ( ) I C - ?? ? - 
 
28. D 
 
( ) ( )
( ) ( )
Q M
R T
+ × -
? ?
+ ? -
 
 
29. A 
 
F(–) × M(+) 
 
 
       K 
 
 
 
 
 
 
 
 
 
 
 
30. B 
31. A 
32. D 
 
 
 
 
 
 
 
33. A 
 
 
 
 
 
Z, S, W, O, T, K, Q, G, N, C 
 
 
 
 
 
34. B 
35. D 
 
Z 
2 -
?? ? X 
5 -
?? ? S 
10 -
??? I 
17 -
??? R 
26 -
??? R 
37 -
??? G 
50 -
??? I. 
 
36. B 
37. C 
38. A 
39. D 
 
n =4 
6(n – 2)
2
 = 6 × 4 = 24 
 
40. B 
 
(n – 2)
3
 ? 2
3
 = 8 
 
41. C 
42. D 
 
12(n – 2) = 12(2) = 24. 
 
43. C 
44. C 
45. B 
46. B 
47. D 
3   6   9 
            +12             +25           +36    
  15   31   45 
            +12             +25            +36 
  27   56   81 
 
 
48. B 
4 -
4 -
4 -
4 -
3 -
3 -
3 -
3 -
M
K
P
R
T
W
V
D
 
 
 
 
5 × 6 × 8 = 240 
7 × 4 × 9 = 252 
240 + 252 = 492 
 
7 × 5 × 4 = 140 
6 × 8 × 9 = 432 
140 + 432 = 572 
 
4 × 3 × 5 = 60 
7 × 2 × 5 = 70 
60 + 70 = 130 (Ans.) 
 
49. A 
 
(10 + 15) – (12 + 9) = 4 
(28 + 16) – (20+ 12) = 12 
 (15 + 23) – (11 + 16) = 11  
 
 
50. C 
3 × 2 – 1 = 5 
5 × 2 – 2 = 8 
8 × 2 – 3 = 13 
13 × 2 – 4 = 22 
22 × 2 – 5 = 39 
 
 
 
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