Page 1
NTSE STAGE – I (HARYANA STATE)
(For Class – X)
SET - C
MENTAL ABILITY TEST (MAT)
HINTS & SOLUTIONS
1. 2
1. By observation.
2. 1
2. 1
st
figure + 3
rd
figure = 2
nd
figure
3. 3
3. The pattern is bcab / bcab / bcab / bcab / bcab
4. 4
4. The time taken will be
30 60 5
5
55 11 11
? ? min.
So, required time is 7:
5
5
11
5. 4
5. Number of quadrilaterals = 13
c
b
a
e
f
g
?
d
Quadrilaterals are: d, e, ab, ef, de, bd, abc, abd, bcde, defg, abcde, bcdefg, abcdefg.
6. 4
6. As per observation
7. 1
7. F is the wife of M who is the father of K.
F3M5K
8. 4
8. The possible venn diagram are
Keys Staplers
Pens
Stickers
OR
Keys
Staplers
Stickers
Pens
So, I and IV follows and either II or III follow.
9. 3 or 4
9. Two options are possible with the following logic:
Page 2
NTSE STAGE – I (HARYANA STATE)
(For Class – X)
SET - C
MENTAL ABILITY TEST (MAT)
HINTS & SOLUTIONS
1. 2
1. By observation.
2. 1
2. 1
st
figure + 3
rd
figure = 2
nd
figure
3. 3
3. The pattern is bcab / bcab / bcab / bcab / bcab
4. 4
4. The time taken will be
30 60 5
5
55 11 11
? ? min.
So, required time is 7:
5
5
11
5. 4
5. Number of quadrilaterals = 13
c
b
a
e
f
g
?
d
Quadrilaterals are: d, e, ab, ef, de, bd, abc, abd, bcde, defg, abcde, bcdefg, abcdefg.
6. 4
6. As per observation
7. 1
7. F is the wife of M who is the father of K.
F3M5K
8. 4
8. The possible venn diagram are
Keys Staplers
Pens
Stickers
OR
Keys
Staplers
Stickers
Pens
So, I and IV follows and either II or III follow.
9. 3 or 4
9. Two options are possible with the following logic:
? ?
2
2 2
123 11 2 13 11 2 and ? ? ? ?
? ?
2
2 2
235 15 10 15 10 25 answer ? ? ? ? ? ?
Also,
? ?
2
123 13 ? means (first digit / last digit) second digit
Similarly 235 will means ? ?
3
25
10. 3
10.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
11. 4
11.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
12. 2
12.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
13. 1
13.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
14. 1
14. The numbers are 4, 24, 40, 44, 48
15. 1
15. 1, 3, 9,; 2, 5, 6,; 4, 7, 8
16. 3
16. Mirror image will be formed on each fold, so by observation we can say 3
rd
image will be
formed.
17. 4
17. Z = 26
ACT = 2 + 6 + 40 = 48
BAT = 4 + 2 + 40 = 46
18. 1
18. Correct order is Torque, Torrid, Torso, Tortoise, Tortuous
19. 3
19. By observation.
20. 4
Page 3
NTSE STAGE – I (HARYANA STATE)
(For Class – X)
SET - C
MENTAL ABILITY TEST (MAT)
HINTS & SOLUTIONS
1. 2
1. By observation.
2. 1
2. 1
st
figure + 3
rd
figure = 2
nd
figure
3. 3
3. The pattern is bcab / bcab / bcab / bcab / bcab
4. 4
4. The time taken will be
30 60 5
5
55 11 11
? ? min.
So, required time is 7:
5
5
11
5. 4
5. Number of quadrilaterals = 13
c
b
a
e
f
g
?
d
Quadrilaterals are: d, e, ab, ef, de, bd, abc, abd, bcde, defg, abcde, bcdefg, abcdefg.
6. 4
6. As per observation
7. 1
7. F is the wife of M who is the father of K.
F3M5K
8. 4
8. The possible venn diagram are
Keys Staplers
Pens
Stickers
OR
Keys
Staplers
Stickers
Pens
So, I and IV follows and either II or III follow.
9. 3 or 4
9. Two options are possible with the following logic:
? ?
2
2 2
123 11 2 13 11 2 and ? ? ? ?
? ?
2
2 2
235 15 10 15 10 25 answer ? ? ? ? ? ?
Also,
? ?
2
123 13 ? means (first digit / last digit) second digit
Similarly 235 will means ? ?
3
25
10. 3
10.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
11. 4
11.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
12. 2
12.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
13. 1
13.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
14. 1
14. The numbers are 4, 24, 40, 44, 48
15. 1
15. 1, 3, 9,; 2, 5, 6,; 4, 7, 8
16. 3
16. Mirror image will be formed on each fold, so by observation we can say 3
rd
image will be
formed.
17. 4
17. Z = 26
ACT = 2 + 6 + 40 = 48
BAT = 4 + 2 + 40 = 46
18. 1
18. Correct order is Torque, Torrid, Torso, Tortoise, Tortuous
19. 3
19. By observation.
20. 4
20. Rapid and slow are antonyms whereas the other pairs of words are either very similar or
almost same in intensity.
21. 2
21. By observation.
22. 4
22.
128 160
216
40 56
16
24
Math / 224 Science / 240
Sports /336
Total – 880
Who participates – 880 – (128 + 160 + 216 + 24 + 16 + 56 + 40)
880 – 640 = 240
Not participate – 240
240
100 27 27
880
. ? ?
23. 3
23. Who choose only one subject = (128 + 160 + 216) = 504
504
100 57 27
880
. ? ? < 60
24. 1
24. Total hours ? (24 x 3) + 17 = 89 hrs
=
44
23
60
? hrs of faulty time = 24 hrs of true time
=
356
24
15
hrs hrs ?
1 hr ?
24 15
356
?
89 hrs ?
24 15
89 90
356
hrs
?
? ?
So, true time is 1 hrs more than faulty time 10 pm + 1 hr = 11 pm
25. 2
25. By observation
26. 4
26. In first row 4 + 2 = 6 ? 2 = 3
In second row 5 + 3 + 1 + 1 = 10 ? 2 = 5
In third row 6 + 1 + 2 + 3 + 3 + 1 = 16 ? 2 = 8
Page 4
NTSE STAGE – I (HARYANA STATE)
(For Class – X)
SET - C
MENTAL ABILITY TEST (MAT)
HINTS & SOLUTIONS
1. 2
1. By observation.
2. 1
2. 1
st
figure + 3
rd
figure = 2
nd
figure
3. 3
3. The pattern is bcab / bcab / bcab / bcab / bcab
4. 4
4. The time taken will be
30 60 5
5
55 11 11
? ? min.
So, required time is 7:
5
5
11
5. 4
5. Number of quadrilaterals = 13
c
b
a
e
f
g
?
d
Quadrilaterals are: d, e, ab, ef, de, bd, abc, abd, bcde, defg, abcde, bcdefg, abcdefg.
6. 4
6. As per observation
7. 1
7. F is the wife of M who is the father of K.
F3M5K
8. 4
8. The possible venn diagram are
Keys Staplers
Pens
Stickers
OR
Keys
Staplers
Stickers
Pens
So, I and IV follows and either II or III follow.
9. 3 or 4
9. Two options are possible with the following logic:
? ?
2
2 2
123 11 2 13 11 2 and ? ? ? ?
? ?
2
2 2
235 15 10 15 10 25 answer ? ? ? ? ? ?
Also,
? ?
2
123 13 ? means (first digit / last digit) second digit
Similarly 235 will means ? ?
3
25
10. 3
10.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
11. 4
11.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
12. 2
12.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
13. 1
13.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
14. 1
14. The numbers are 4, 24, 40, 44, 48
15. 1
15. 1, 3, 9,; 2, 5, 6,; 4, 7, 8
16. 3
16. Mirror image will be formed on each fold, so by observation we can say 3
rd
image will be
formed.
17. 4
17. Z = 26
ACT = 2 + 6 + 40 = 48
BAT = 4 + 2 + 40 = 46
18. 1
18. Correct order is Torque, Torrid, Torso, Tortoise, Tortuous
19. 3
19. By observation.
20. 4
20. Rapid and slow are antonyms whereas the other pairs of words are either very similar or
almost same in intensity.
21. 2
21. By observation.
22. 4
22.
128 160
216
40 56
16
24
Math / 224 Science / 240
Sports /336
Total – 880
Who participates – 880 – (128 + 160 + 216 + 24 + 16 + 56 + 40)
880 – 640 = 240
Not participate – 240
240
100 27 27
880
. ? ?
23. 3
23. Who choose only one subject = (128 + 160 + 216) = 504
504
100 57 27
880
. ? ? < 60
24. 1
24. Total hours ? (24 x 3) + 17 = 89 hrs
=
44
23
60
? hrs of faulty time = 24 hrs of true time
=
356
24
15
hrs hrs ?
1 hr ?
24 15
356
?
89 hrs ?
24 15
89 90
356
hrs
?
? ?
So, true time is 1 hrs more than faulty time 10 pm + 1 hr = 11 pm
25. 2
25. By observation
26. 4
26. In first row 4 + 2 = 6 ? 2 = 3
In second row 5 + 3 + 1 + 1 = 10 ? 2 = 5
In third row 6 + 1 + 2 + 3 + 3 + 1 = 16 ? 2 = 8
In fourth row 7 + 2 + 4 + 3 = 16 ? 2 = 8
So, 9 + 3 = 12 ? 2 = 6
27. 3
27. By observation
28. 3
28. Advertisement ? Application ? Interview ? Selection ? Appointment ? Probation
29. 3
29. Malaria is a disease in a same way spear is a weapon.
30. 2
30.
Tennis Rugby
Soccer
31. 3
31.
F
E
B C
Granddaughter
32. 4
32. ? ? O O, ? ? O O O
So, ? ? ? O O O O
33. 4
33. By observation
34. No option correct
34. By observation
35. 3
35. By observation
36. 3
36. By observation
37. 3
37. By observation.
38. 4
38. Let sons age 10 years age be x.
Fathers age 10 year ago = 3x
Page 5
NTSE STAGE – I (HARYANA STATE)
(For Class – X)
SET - C
MENTAL ABILITY TEST (MAT)
HINTS & SOLUTIONS
1. 2
1. By observation.
2. 1
2. 1
st
figure + 3
rd
figure = 2
nd
figure
3. 3
3. The pattern is bcab / bcab / bcab / bcab / bcab
4. 4
4. The time taken will be
30 60 5
5
55 11 11
? ? min.
So, required time is 7:
5
5
11
5. 4
5. Number of quadrilaterals = 13
c
b
a
e
f
g
?
d
Quadrilaterals are: d, e, ab, ef, de, bd, abc, abd, bcde, defg, abcde, bcdefg, abcdefg.
6. 4
6. As per observation
7. 1
7. F is the wife of M who is the father of K.
F3M5K
8. 4
8. The possible venn diagram are
Keys Staplers
Pens
Stickers
OR
Keys
Staplers
Stickers
Pens
So, I and IV follows and either II or III follow.
9. 3 or 4
9. Two options are possible with the following logic:
? ?
2
2 2
123 11 2 13 11 2 and ? ? ? ?
? ?
2
2 2
235 15 10 15 10 25 answer ? ? ? ? ? ?
Also,
? ?
2
123 13 ? means (first digit / last digit) second digit
Similarly 235 will means ? ?
3
25
10. 3
10.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
11. 4
11.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
12. 2
12.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
13. 1
13.
8 7 6 5 4 3 2 1
A B D F E C G H
Ground Top
14. 1
14. The numbers are 4, 24, 40, 44, 48
15. 1
15. 1, 3, 9,; 2, 5, 6,; 4, 7, 8
16. 3
16. Mirror image will be formed on each fold, so by observation we can say 3
rd
image will be
formed.
17. 4
17. Z = 26
ACT = 2 + 6 + 40 = 48
BAT = 4 + 2 + 40 = 46
18. 1
18. Correct order is Torque, Torrid, Torso, Tortoise, Tortuous
19. 3
19. By observation.
20. 4
20. Rapid and slow are antonyms whereas the other pairs of words are either very similar or
almost same in intensity.
21. 2
21. By observation.
22. 4
22.
128 160
216
40 56
16
24
Math / 224 Science / 240
Sports /336
Total – 880
Who participates – 880 – (128 + 160 + 216 + 24 + 16 + 56 + 40)
880 – 640 = 240
Not participate – 240
240
100 27 27
880
. ? ?
23. 3
23. Who choose only one subject = (128 + 160 + 216) = 504
504
100 57 27
880
. ? ? < 60
24. 1
24. Total hours ? (24 x 3) + 17 = 89 hrs
=
44
23
60
? hrs of faulty time = 24 hrs of true time
=
356
24
15
hrs hrs ?
1 hr ?
24 15
356
?
89 hrs ?
24 15
89 90
356
hrs
?
? ?
So, true time is 1 hrs more than faulty time 10 pm + 1 hr = 11 pm
25. 2
25. By observation
26. 4
26. In first row 4 + 2 = 6 ? 2 = 3
In second row 5 + 3 + 1 + 1 = 10 ? 2 = 5
In third row 6 + 1 + 2 + 3 + 3 + 1 = 16 ? 2 = 8
In fourth row 7 + 2 + 4 + 3 = 16 ? 2 = 8
So, 9 + 3 = 12 ? 2 = 6
27. 3
27. By observation
28. 3
28. Advertisement ? Application ? Interview ? Selection ? Appointment ? Probation
29. 3
29. Malaria is a disease in a same way spear is a weapon.
30. 2
30.
Tennis Rugby
Soccer
31. 3
31.
F
E
B C
Granddaughter
32. 4
32. ? ? O O, ? ? O O O
So, ? ? ? O O O O
33. 4
33. By observation
34. No option correct
34. By observation
35. 3
35. By observation
36. 3
36. By observation
37. 3
37. By observation.
38. 4
38. Let sons age 10 years age be x.
Fathers age 10 year ago = 3x
? ? ? ? 2 20 3 20 x x ? ? ?
x = 20
10 year ago father’s age = 60 years and son’s age = 20 years
Ratio of their present age = 70 : 30 = 7:3
39. 1 or 4
39.
40. 3
40. In a single carom tournament, there is only one winner so 79 students should be eliminated
by 79 matches.
41. 2
41. In 1hr it climbs 5 m
? in 8 hrs it climbs 40 m
? in 9
th
hr it will first touch 50 cm
42. 3
42.
Bus Traveller Train
43. 1
43.
Blue
Red
Orange
Black
White Yellow
44. 3
44.
4, 5, 8, 17, 44, 125
+1 +3 +9 +27 +81
45. 3
45. 5 x 8 = 40
6 x 8 = 48
9 x 8 = 72
46. 2
46. x ? +
< ? –
+ ? ?
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