Explanation:
The statement implies that the child is ready to learn at 5 years, assumption I is implicit. II is not necessarily implied.
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1.
Statement: It is desirable to put the child in school at the age of 5 or so. Assumptions:
I. At that age the child reaches appropriate level of development and is ready to learn.
II. The schools do not admit children after six years of age.
A
Only assumption I is implicit
B
Only assumption II is implicit
C
Neither I nor II is implicit
D
Both I and II are implicit
The statement implies that the child is ready to learn at 5 years, assumption I is implicit. II is not necessarily implied.
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2. Match the word with its coded form.
A
i-1, ii-2, iii-3, iv-4
B
i-2, ii-3, iii-4, iv-1
C
i-1, ii-4, iii-2, iv-3
D
i-4, ii-3, iii-1, iv-2
i-2, ii-3, iii-4, iv-1
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3. Assertion (A): If a person moves 10 km north, then 5 km east, the total distance travelled is 15 km.
Reason (R): The shortest distance between the starting and ending point is given by the Pythagorean theorem.
A
Both A and R are true, and R correctly explains A.
B
Both A and R are true, but R does not explain A.
C
A is true, but R is false.
D
A is false, but R is true.
Total distance is indeed 15 km (true), but Pythagoras gives displacement, not distance, so R does not explain A.
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4. The letters in the first set have a certain relationship. AST : BRU :: NQV : ?
A
ORW
B
MPU
C
MRW
D
OPW
The pattern follows alphabetical shift. NQV corresponds to ORW.
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5. P is the father of Q. Q is the sister of R. R is the father of S. How is P related to S?
A
Grandfather
B
Father-in-law
C
Brother
D
Uncle
P ? father of Q and R. R is father of S. Hence P is grandfather of S.
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6. Assertion (A): The coin when flipped next time will come up tails.
Reason (R): Because the coin was flipped five times in a row, and each time it came up heads.
A
Both (A) and (R) are true, and (R) is the correct explanation of (A).
B
Both (A) and (R) are false, and (R) is the correct explanation of (A).
C
(A) is doubtful, (R) is true, and (R) is not the correct explanation of (A).
D
(A) is doubtful, (R) is false, and (R) is the correct explanation of (A).
Past coin flips do not influence future outcomes, hence A is doubtful, R is true but not valid explanation.
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7. Assertion (A): No man is perfect.
Reasoning (R): Some men are not perfect.
A
Both (A) and (R) are true but (R) does not provide sufficient reason for (A).
B
Both (A) and (R) are true and (R) provides sufficient reason for (A).
C
(A) is true but (R) is false
D
(A) is false but (R) is true
Both statements are true but `some men are not perfect` does not fully justify `no man is perfect`.
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8. Complete the series: 22, 33, 46, 61, 78, ?
A
86
B
97
C
90
D
79
Differences are +11, +13, +15, +17 ? Next difference = +19, hence 78+19=97.
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9. Select the pair that has the same relationship DIVA: OPERA
A
Conductor: Bus
B
Producer: Theatre
C
Thespian: Play
D
Director: Drama
A diva performs in an opera, similarly a thespian performs in a play.
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10. In a certain code-language, CUL, WAP, DIR means red little box; SUT, MAD, BIX means well arranged pile; BIX, FAC, DIR means pile of boxes. The code for `OF` here is:
A
FAC
B
SUT
C
DIR
D
BIX
From `BIX, FAC, DIR` = `pile of boxes`, DIR=boxes, BIX=pile, FAC=of.
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11. GENERAL is coded as 7555913. How can KNOWLEDGE be coded?
A
256535475
B
236456473
C
234567897
D
658905468
Mapping = sum of digits of letter position: K(11)->2, N(14)->5, O(15)->6, W(23)->5, L(12)->3, E(5)->5, D(4)->4, G(7)->7, E(5)->5 => 256535475.
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12. In a certain language if A is written as 1, B as 2, C as 3 and so on. What do the figures 12, 9, 7, 8, 20 stand for?
A
LIANG
B
MIEGE
C
LIGNE
D
LIGHT
12=L, 9=I, 7=G, 8=H, 20=T => LIGHT.
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13. In a code language 356469 is written as 447378. Find the code for 648273.
A
758374
B
638182
C
739182
D
737172
Pattern: odd-position digits +1, even-position digits -1. So 6->7,4->3,8->9,2->1,7->8,3->2 => 739182.
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14. Find the next number in the given series: 1, 4, 12, 30, 68, ......
A
140
B
154
C
146
D
150
Pattern: next = current*2 + 2n (n = 1,2,3...). 1*2+2=4; 4*2+4=12; 12*2+6=30; 30*2+8=68; Next: 68*2+10 = 146.
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15. Find the next number in the given series: 6, 4, 5, 11, 39, ...
A
189
B
196
C
195
D
190
Pattern: t_{n+1} = t_n * n - (n+1) for n starting at 1: 6*1-2=4; 4*2-3=5; 5*3-4=11; 11*4-5=39; Next: 39*5-6 = 195-6 = 189.
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16. What number should come next in the given series? 7, 14, 10, 20, 16, 32, ......
A
60
B
26
C
64
D
28
Pattern: ×2, -4, ×2, -4, ×2, -4 ... So after 32 -> 32-4 = 28.
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17. Prabudh walks 8 km eastwards, then turns right and goes 4 km, then he turns left and goes 5 km. Which direction is he facing now?
A
East
B
North
C
South
D
West
Start facing East -> right = South -> left = East. So facing East.
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18. Find the odd one out: A) FHJ : USQ B) VTQ : EGJ C) XVT : CEG D) RPN : IKM
A
FHJ : USQ
B
VTQ : EGJ
C
XVT : CEG
D
RPN : IKM
All pairs except B follow the pattern left letters decreasing by 2 each and right letters increasing by 2 each. Option B has a -2,-3 / +2,+3 pattern, so it`s the odd one.
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19. Rekha is the wife of Neeraj. Pranav is the son of Rekha. Arvind is the brother of Neeraj and father of Soham. How is Rekha related to Soham?
A
Sister
B
Cousin
C
Aunt
D
Mother
Neeraj and Arvind are brothers; Arvind is Soham`s father, so Rekha (Neeraj`s wife) is Soham`s aunt.
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20. Introducing Mira to guests, Mohan said, `Her father is the only son of my father`. How is Mira related to Mohan?
A
Sister
B
Daughter
C
Mother
D
Niece
`The only son of my father` refers to Mohan himself, so Mira`s father is Mohan; Mira is his daughter.
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21. SORROW : CRY :: MIRTH : ?
A
JOY
B
LAUGHTER
C
FROWN
D
WEEP
Sorrow is associated with cry; mirth is associated with laughter.
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22. Ecstasy : Gloom :: ? (choose the analogous/opposite pair)
A
Congratulations : Occasion
B
Diligent : Successful
C
Measure : Scale
D
Humiliation : Exaltation
Ecstasy and gloom are opposites; humiliation and exaltation are opposites.
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23. In the New Year`s party 500 people were invited. 200 people opted for Indian food, 150 ate Italian food and 100 people took continental food. 14 people have taken both Indian and Italian food, 10 people have taken both Italian and continental food and 15 people have eaten both Indian and continental food. 6 people have taken all three kinds of food. Find how many people have only Italian food?
A
150
B
120
C
110
D
101
Only Italian = Italian - (Indian∩Italian) - (Italian∩Continental) + (All three) = 150 -14 -10 +6 = 132. (Note: 132 is not among the given options.)
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24. In a class of 50 students, 10 students play badminton and 20 students play volleyball and 4 students play both the games. Find the number of students who don`t play either badminton or volleyball.
A
24
B
22
C
30
D
20
Total playing = 10+20-4 = 26, so not playing = 50-26 = 24.
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25. PQRS is a quadrilateral and PQ || RS. T is the mid‑point of PQ. ST || QR. If the area of the triangle ΔPTS is 50 cm² then the area of quadrilateral PQRS is:
A
150 cm²
B
200 cm²
C
180 cm²
D
220 cm²
Using a coordinate model (scale factor), area of ΔPTS in model = 1/2; quadrilateral area in model = 3/2. So quadrilateral area = (3/2)/(1/2) * 50 = 3 * 50 = 150 cm².
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26. A wall having dimensions 6 m long, 5 m high and 0.5 m thick is constructed by using bricks having measurements 25 cm x 12.5 cm x 7.5 cm. If 10% of the wall is filled with mortar, the number of bricks required to construct the wall is:
A
6250
B
6160
C
5760
D
5920
Wall volume = 6*5*0.5 = 15 m^3 = 15,000,000 cm^3. Effective brick volume = 90% of wall = 13,500,000 cm^3. Brick vol = 25*12.5*7.5 = 2343.75 cm^3. Number = 13,500,000/2343.75 = 5760.
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27. Two pipes P and Q can fill an empty tank in 20 minutes and 10 minutes respectively. R can empty a full tank in x minutes. If all three pipes are opened simultaneously, tank is full in 12 minutes. The value of x is:
A
18 minutes
B
20 minutes
C
30 minutes
D
15 minutes
1/20 + 1/10 - 1/x = 1/12 => 3/20 - 1/x = 1/12 => 1/x = 3/20 - 1/12 = 1/15 => x = 15 minutes.
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28. Physics, Chemistry and Mathematics books have to be stacked in such a way that all the books are stored subject wise and the number of books in each stack is the same. The number of physics books is 1008, chemistry books 720 and mathematics books 288. Determine the total number of stacks required for physics, chemistry and mathematics books.
A
14
B
15
C
16
D
12
Max books per stack = GCD(1008,720,288)=144. Number of stacks = 1008/144 + 720/144 + 288/144 = 7+5+2 = 14.
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29. Four bells ring simultaneously at 9 am. They ring at regular intervals of 10 minutes, 20 minutes, 30 minutes, 40 minutes respectively. The next time when all the four bells ring together is:
A
11 am
B
10:30 am
C
1:00 pm
D
11:30 am
LCM of 10,20,30,40 = 120 minutes = 2 hours. Next together at 9am + 2 hours = 11 am.
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30. A card is drawn from a pack of 52 cards. A gambler bets that it is either a spade or an ace. The probability of losing the bet is:
A
9/13
B
13/9
C
4/13
D
13/4
P(spade or ace) = 13/52 + 4/52 - 1/52 = 16/52 = 4/13. So losing probability = 1 - 4/13 = 9/13.
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31. Two dice are rolled simultaneously. Find the probability of getting a multiple of 2 on one die and a multiple of 3 on the other die.
A
1/2
B
11/36
C
1/3
D
13/36
Favourable outcomes = 11 (counting all ordered outcomes where one die is in {2,4,6} and the other in {3,6}, removing double count). Probability = 11/36.
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32. A box contains a total 12 balls of red and blue color. One blue ball is to be drawn at random from the box. The probability of drawing the ball becomes double of what it was before when 6 more blue balls are put in the box. The number of blue balls and red balls present initially is:
A
5,7
B
4,8
C
3,9
D
6,6
Let initial blue=b, red=12-b. (b+6)/18 = 2*(b/12) => (b+6)/18 = b/6 => b=3, red=9.
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33. My sister is three years older than me. My father was 28 years of age when my brother was born, while my mother was 26 years of age when I was born. If my brother was four years of age when my sister was born, then what was the age of my father and mother respectively when my sister was born?
A
32 yrs, 39 yrs
B
35 yrs, 24 yrs
C
35 yrs, 26 yrs
D
32 yrs, 23 yrs
Let my age = x. Sister = x+3. Brother was 4 when sister born => brother = x+7 now. Father now = brother+28 = x+35. Sister born x+3 years ago so father`s age then = (x+35)-(x+3)=32. Mother now = x+26 so mother`s age then = (x+26)-(x+3)=23.
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34. The ratio between the present age of two relatives, Navish and Lavya is 4:7. After 6 years the ratio of their ages will be 5:8. Find their total age after 11 years.
A
66 years
B
88 years
C
68 years
D
86 years
Let ages 4k and 7k. (4k+6)/(7k+6)=5/8 => k=6. Present ages 24 and 42. After 11 years total = (24+11)+(42+11)=88.
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35. Prisha`s father is 6 years older than her mother and the mother`s age is now thrice the age of Prisha. At present, Prisha is 12 years old. What was the father`s age when their daughter was born?
A
42
B
30
C
28
D
36
Mother`s current age = 3*12 = 36. Father = 36+6 = 42 now. Daughter born 12 years ago so father`s age then = 42 - 12 = 30.
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