- Test booklet
- प्रश्न पुस्तिका
- Booklet No.
- 5123842
- Series
- C
NIACL AO Prelims Paper 6
- Questions
- 100
- Maximum marks
- 100
- Minutes allowed
- 60
Instructions निर्देश
- This booklet has 100 questions in 3 parts: A. English Language (30), B. Reasoning Ability (35), C. Quantitative Aptitude (35).
- Each part has its own clock. When it runs out, that part closes and the next opens.
- Each question has 5 options and one right answer. A right answer earns 1 mark. A wrong answer costs 0.25. A question left blank scores nothing.
- Fill one bubble per question on the answer sheet. Unlike a real sheet, you can clear it and change your mind.
Scripting is off, so this page is a printed paper: answer on paper, then open each question’s working.
Part AEnglish Language
-
Select the one word that can replace the given group of words.
A mischievous elf in Irish folkloreAnswer and working
-
Select the word closest in meaning to the given word.
RancorAnswer and working
Answer D
Rancor (noun) and Resentment share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
GrimeAnswer and working
Answer A
Grime (noun) and Dirt share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the correctly spelt word.
Answer and working
Answer D
The correct spelling is opportunist.
-
Select the word closest in meaning to the given word.
VindictiveAnswer and working
Answer A
Vindictive (adjective) and Vengeful share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word opposite in meaning to the given word.
AdvanceAnswer and working
-
Select the word opposite in meaning to the given word.
DemoteAnswer and working
-
Select the word closest in meaning to the given word.
VillainousAnswer and working
Answer E
Villainous (adjective) and Nefarious share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the one word that can replace the given group of words.
Someone who marries one person while already legally married to anotherAnswer and working
Answer B
Bigamist: someone who marries one person while already legally married to another.
Source: WordNet 3.1
-
Select the incorrectly spelt word.
Answer and working
Answer E
dessirable is wrong; it is spelt desirable. The others are correct.
-
Select the one word that can replace the given group of words.
A working woman who takes in washingAnswer and working
-
Select the incorrectly spelt word.
Answer and working
Answer E
passionnately is wrong; it is spelt passionately. The others are correct.
-
Select the correctly spelt word.
Answer and working
Answer C
The correct spelling is approximate.
-
Select the word opposite in meaning to the given word.
AwakeAnswer and working
-
Select the word opposite in meaning to the given word.
BorrowAnswer and working
-
Select the incorrectly spelt word.
Answer and working
Answer B
seminery is wrong; it is spelt seminary. The others are correct.
-
Select the correctly spelt word.
Answer and working
Answer B
The correct spelling is supportive.
-
Select the one word that can replace the given group of words.
Someone who quits school before graduationAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer A
The correct spelling is chandelier.
-
Select the one word that can replace the given group of words.
A recklessly extravagant consumerAnswer and working
-
Select the word closest in meaning to the given word.
SaintlyAnswer and working
Answer C
Saintly (adjective) and Angelic share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the correctly spelt word.
Answer and working
Answer E
The correct spelling is depressive.
-
Select the one word that can replace the given group of words.
Someone who performs rap musicAnswer and working
-
Select the word opposite in meaning to the given word.
LeaderAnswer and working
-
Select the word closest in meaning to the given word.
MammothAnswer and working
Answer C
Mammoth (adjective) and Gigantic share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
ReiterateAnswer and working
Answer D
Reiterate (verb) and Repeat share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
OrganiseAnswer and working
Answer D
Organise (verb) and Coordinate share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
CarpentryAnswer and working
Answer D
Carpentry (noun) and Woodwork share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the correctly spelt word.
Answer and working
Answer B
The correct spelling is allegation.
-
Select the word opposite in meaning to the given word.
JoyfulAnswer and working
Part BReasoning Ability
-
In the English alphabet, which letter is 6th to the right of the 5th letter from the left?
Answer and working
Answer E
The 5th letter from the left is E (position 5). 6 places to the right: position 11, which is K.
-
In a class, Lata ranks 9th from the top and 18th from the bottom. How many students are in the class?
Answer and working
Answer D
Lata is counted in both ranks, so the total is 9 + 18 − 1 = 26.
-
R is the brother of H. H is the mother of T. J is the wife of R. How is J related to T?
Answer and working
Answer B
Follow the links out from T: H is T’s mother; R is H’s brother; J is R’s wife. So J is T’s aunt.
-
In the English alphabet, which letter is 8th to the right of the 5th letter from the left?
Answer and working
Answer A
The 5th letter from the left is E (position 5). 8 places to the right: position 13, which is M.
-
Pointing to a woman in a photograph, Imran said, ‘Her mother is the only daughter of my mother.’ How is the woman related to Imran?
Answer and working
Answer E
The only daughter of my mother is my sister, so the child is my sister’s. So the woman is Imran’s niece.
Directions for questions 36 to 40
Five friends, Arun, Bina, Chetan, Divya and Esha, sit in a row facing north. Bina sits immediately to the left of Divya. Exactly 3 people sit between Esha and Divya. Exactly one person sits between Arun and Divya.-
Who sits at the extreme left end?
Answer and working
Answer D
Only one order fits every clue, from the left: Esha, Chetan, Arun, Bina, Divya. Esha.
-
What is Esha’s position from the left end?
Answer and working
Answer C
Only one order fits every clue, from the left: Esha, Chetan, Arun, Bina, Divya. 1st.
-
Which pair sits at the two ends of the row?
Answer and working
Answer D
Only one order fits every clue, from the left: Esha, Chetan, Arun, Bina, Divya. Esha and Divya.
-
Who sits at the extreme right end?
Answer and working
Answer E
Only one order fits every clue, from the left: Esha, Chetan, Arun, Bina, Divya. Divya.
-
How many people sit between Bina and Arun?
Answer and working
Answer E
Only one order fits every clue, from the left: Esha, Chetan, Arun, Bina, Divya. Between them: None.
-
Which number replaces the question mark? 1, 3, 9, 27, ?, 243
Answer and working
Answer B
The rule: each term is the previous × 3. The missing term is 81.
-
Farah walks 11 km towards the south. She turns left and walks 14 km. She turns left and walks 6 km. She turns right and walks 6 km. Which direction is she facing now?
Answer and working
Answer D
Each right turn is a quarter turn clockwise, each left anticlockwise. The last leg runs East.
-
Statements:
(1) All clouds are stones.
(2) Some stones are roads.
(3) No roads are shirts.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some clouds are stones.
(II) No clouds are roads.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: clouds and roads may overlap. So: Only conclusion I follows.
-
Statement: N < D ≤ S ≤ P > E
Conclusions: I. D < P II. D = PAnswer and working
Answer C
D and P: the chain gives D ≤ P, so D < P is not definitely true. D and P: the chain gives D ≤ P, so D = P is not definitely true. Together the two cover every possibility the chain allows. So: Either conclusion I or II follows.
-
K is the wife of V. V is the brother of B. How is K related to B?
Answer and working
Answer C
Follow the links out from B: V is B’s brother; K is V’s wife. So K is B’s sister-in-law.
-
Statement: W ≥ N < E < D > V
Conclusions: I. D > N II. N ≤ VAnswer and working
Answer A
D and N: the chain gives D > N, so D > N is definitely true. N and V: the signs between them point both ways, so no relation can be fixed, so N ≤ V is not definitely true. So: Only conclusion I follows.
-
In a certain code, GOLD is written as FNQI. How is COAT written in that code?
Answer and working
Answer E
From GOLD → FNQI: the word is written backwards and each letter moves 2 forward. Applied to COAT: VCQE.
-
Statement: G > Z < H = E ≤ J
Conclusions: I. H < J II. H = JAnswer and working
Answer C
H and J: the chain gives H ≤ J, so H < J is not definitely true. H and J: the chain gives H ≤ J, so H = J is not definitely true. Together the two cover every possibility the chain allows. So: Either conclusion I or II follows.
-
Statements:
(1) No doors are planes.
(2) Some doors are kites.
(3) Some bottles are kites.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) All bottles are planes.
(II) Some doors are planes.Answer and working
Answer D
Conclusion I need not hold: some bottles may lie outside planes. Conclusion II need not hold: doors and planes need not overlap at all. So: Neither conclusion follows.
-
Which number replaces the question mark? 8, 27, 64, 125, 216, ?
Answer and working
Answer C
The rule: the terms are 2³, 3³, 4³ …. The missing term is 343.
-
If ‘+’ means ‘−’, ‘−’ means ‘+’, ‘×’ means ‘÷’, ‘÷’ means ‘×’, what is the value of 52 ÷ 5 + 8 − 12 × 6?
Answer and working
Answer D
Replace the signs: 52 × 5 − 8 + 12 ÷ 6. Division and multiplication first, then addition and subtraction: 254.
-
Statement: V < C > T = G < F
Conclusions: I. V > T II. T < FAnswer and working
Answer B
V and T: the signs between them point both ways, so no relation can be fixed, so V > T is not definitely true. T and F: the chain gives T < F, so T < F is definitely true. So: Only conclusion II follows.
-
In a certain code, BOOK is written as ANNJ. How is FISH written in that code?
Answer and working
Answer C
From BOOK → ANNJ: each letter moves 1 place back. Applied to FISH: EHRG.
-
Kabir walks 15 km towards the south. He turns right and walks 6 km. He turns left and walks 5 km. In which direction is he from the starting point?
Answer and working
Answer A
Taking east and north as positive: he ends 6 km west and 20 km south of the start, which is to the South-west.
-
If ‘+’ means ‘×’, ‘−’ means ‘+’, ‘×’ means ‘÷’, ‘÷’ means ‘−’, what is the value of 10 × 2 + 12 ÷ 17 − 12?
Answer and working
Answer E
Replace the signs: 10 ÷ 2 × 12 − 17 + 12. Division and multiplication first, then addition and subtraction: 55.
-
Which one does not belong with the others?
Answer and working
Answer C
In the others the second number is 3n + 1 of the first; 9 : 27 breaks it. The odd one is 9 : 27.
-
Statements:
(1) All stones are chairs.
(2) All chairs are bells.
(3) All bells are shirts.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some bells are shirts.
(II) Some stones are shirts.Answer and working
Answer E
Conclusion I holds in every diagram the statements allow. Conclusion II holds in every diagram the statements allow. So: Both conclusions follow.
-
Statements:
(1) Some pens are tables.
(2) No pens are papers.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) All pens are tables.
(II) All papers are pens.Answer and working
Answer D
Conclusion I need not hold: some pens may lie outside tables. Conclusion II need not hold: some papers may lie outside pens. So: Neither conclusion follows.
-
Statements:
(1) Some birds are shirts.
(2) No fans are birds.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) No birds are fans.
(II) Some fans are not birds.Answer and working
Answer E
Conclusion I holds in every diagram the statements allow. Conclusion II holds in every diagram the statements allow. So: Both conclusions follow.
-
Statements:
(1) All bottles are doors.
(2) All cups are doors.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some cups are bottles.
(II) No cups are bottles.Answer and working
Answer C
Conclusion I need not hold: cups and bottles need not overlap at all. Conclusion II need not hold: cups and bottles may overlap. But the two cannot both be false: in every diagram exactly one of them is true. So: Either conclusion I or II follows.
-
Statement: K ≥ J = C > Z ≥ N
Conclusions: I. K ≥ N II. J ≥ ZAnswer and working
Answer E
K and N: the chain gives K > N, so K ≥ N is definitely true. J and Z: the chain gives J > Z, so J ≥ Z is definitely true. So: Both conclusions follow.
-
In a certain code, COAT is written as XLZG. How is CANDLE written in that code?
Answer and working
Answer B
From COAT → XLZG: each letter is replaced by its opposite in the alphabet (A ↔ Z, B ↔ Y …). Applied to CANDLE: XZMWOV.
-
Arun walks 7 km towards the north. He turns right and walks 6 km. He turns left and walks 14 km. Which direction is he facing now?
Answer and working
Answer C
Each right turn is a quarter turn clockwise, each left anticlockwise. The last leg runs North.
-
In a queue, Kabir is 6th from the front and Sohan is 14th from the front. How many people stand between them?
Answer and working
Answer A
Between positions 6 and 14 there are 14 − 6 − 1 = 7 people.
-
In a certain code, HORSE is written as 65. How is MIRROR written in that code?
Answer and working
Answer A
HORSE = 65 is the sum of the letters’ positions in the alphabet (A = 1 … Z = 26). For MIRROR: 13 + 9 + 18 + 18 + 15 + 18 = 91.
Part CQuantitative Aptitude
-
Two trains 170 m and 160 m long run on parallel tracks in opposite directions at 42 km/h and 66 km/h. How long do they take to cross each other?
Answer and working
Answer B
Relative speed = 42 + 66 = 108 km/h = 30 m/s. Distance = 170 + 160 = 330 m. Time = 330 ÷ 30 = 11 seconds.
-
Solve both equations and compare x and y.
I. x² − 23x + 132 = 0
II. y² + 3y + 2 = 0Answer and working
Answer A
I gives x = 11 or 12. II gives y = −2 or −1. Every x is greater than every y: x > y.
-
In what ratio must rice at ₹47/kg be mixed with rice at ₹57/kg so that the mixture is worth ₹50/kg?
Answer and working
Answer A
By alligation: cheaper : dearer = (57 − 50) : (50 − 47) = 7 : 3 = 7 : 3.
-
Simplify: 63 + 14 × 2 − 10 ÷ 5
Answer and working
Answer C
Division and multiplication first: 14 × 2 = 28 and 10 ÷ 5 = 2. Then 63 + 28 − 2 = 89.
Directions for questions 70 to 74
Study the table and answer the questions that follow.
Students enrolled in five coaching centres, in two successive years Centre Year 1 Year 2 Centre A 560 728 Centre B 280 420 Centre C 660 792 Centre D 780 819 Centre E 740 666 -
What is the ratio of Centre A’s Year 1 figure to Centre B’s Year 2 figure?
Answer and working
Answer A
560 : 420 = 4 : 3.
-
By what percent did Centre D’s figure change from Year 1 to Year 2?
Answer and working
Answer A
Change = 819 − 780 = 39. On Year 1: 39 ÷ 780 × 100 = 5% increase.
-
What is the average Year 2 figure of the five?
Answer and working
Answer B
Sum of Year 2 = 3,425. ÷ 5 = 685.
-
Centre A’s Year 2 figure is what percent of Centre C’s Year 2 figure?
Answer and working
Answer C
728 ÷ 792 × 100 = 91.92%.
-
What is the total for Centre C over the two years?
Answer and working
Answer D
660 + 792 = 1,452.
-
Solve both equations and compare x and y.
I. x² − 3x − 54 = 0
II. y² + 5y + 4 = 0Answer and working
Answer E
I gives x = −6 or 9. II gives y = −4 or −1. Some x are bigger and some smaller than some y, so no single relation holds: x = y or no relation can be established.
-
Solve both equations and compare x and y.
I. x² − 4x − 12 = 0
II. y² − 16y + 63 = 0Answer and working
Answer C
I gives x = −2 or 6. II gives y = 7 or 9. Every x is smaller than every y: x < y.
-
What is the compound interest on ₹55,625 for 2 years at 8% per annum, compounded annually?
Answer and working
Answer D
Amount = 55,625 × (1 + 8/100)2 = ₹64,881. CI = 64,881 − 55,625 = ₹9,256.
-
Which number replaces the question mark? 3, 8, 15, 24, 35, 48, ?
Answer and working
Answer B
The rule: the terms are 2², 3², 4² … minus 1. The missing term is 63.
-
Solve both equations and compare x and y.
I. x² + 4x − 5 = 0
II. y² − 13y + 40 = 0Answer and working
Answer C
I gives x = −5 or 1. II gives y = 5 or 8. Every x is smaller than every y: x < y.
-
Simplify: 2⁄3 + 3⁄4 + 1⁄3
Answer and working
Answer A
Over the common denominator 12: the sum is 7⁄4. Adding tops and bottoms separately (7/13) is the trap.
-
What is √169 + √289 − √225?
Answer and working
Answer C
13 + 17 − 15 = 15.
-
The present ages of Asha and her father are in the ratio 4 : 9. After 12 years, the ratio will be 7 : 12. What is Asha’s present age?
Answer and working
Answer C
Ages 4x and 9x. (4x + 12) : (9x + 12) = 7 : 12 gives x = 4. Asha is 4 × 4 = 16 years.
-
What is the average of 89, 82, 15, 59 and 80?
Answer and working
Answer D
Sum = 325. Average = 325 ÷ 5 = 65.
-
Simplify: 19 + 4 × 11 − 20 ÷ 4
Answer and working
Answer C
Division and multiplication first: 4 × 11 = 44 and 20 ÷ 4 = 5. Then 19 + 44 − 5 = 58.
-
A train 400 m long passes a signal post in 16 seconds. What is its speed in km/h?
Answer and working
Answer C
Speed = 400 ÷ 16 = 25 m/s = 25 × 18/5 = 90 km/h.
-
A boat covers 27 km downstream in 3 hours and 14 km upstream in 2 hours. What is the speed of the stream?
Answer and working
Answer C
Downstream speed = 27 ÷ 3 = 9 km/h; upstream = 14 ÷ 2 = 7 km/h. Stream = (9 − 7) ÷ 2 = 1 km/h.
-
What is the value of 55² − 25²?
Answer and working
Answer C
a² − b² = (a + b)(a − b) = 80 × 30 = 2,400.
-
One card is drawn at random from a well-shuffled pack of 52. What is the probability that it is a heart?
Answer and working
Answer B
13 of the 52 cards qualify. Probability = 1⁄4.
-
A shopkeeper marks an article 50% above its cost price and allows a discount of 20%. If the article was sold for ₹2,520, what was its cost price?
Answer and working
Answer C
SP = CP × 1.5 × 0.8 = CP × 1.2. So CP = 2,520 ÷ 1.2 = ₹2,100.
-
The simple interest on a sum for 4 years at 11% per annum is ₹16,280. What is the sum?
Answer and working
Answer A
P = SI × 100 / (R × T) = 16,280 × 100 / (11 × 4) = ₹37,000.
-
Which number replaces the question mark? 2, 3, 8, 27, 112, ?
Answer and working
Answer E
The rule: each term is the previous × 1 + 1, × 2 + 2, × 3 + 3, and so on. The missing term is 565.
-
What is the mean proportional between 96 and 294?
Answer and working
Answer E
Mean proportional = √(96 × 294) = √28224 = 168.
-
Solve both equations and compare x and y.
I. x² − 15x + 56 = 0
II. y² − 11y = 0Answer and working
Answer E
I gives x = 7 or 8. II gives y = 0 or 11. Some x are bigger and some smaller than some y, so no single relation holds: x = y or no relation can be established.
-
Find the wrong number in the series: 8, 14, 23, 50, 98, 194, 386
Answer and working
Answer E
The rule: each term is the previous × 2 − 2. The term in place of 23 should be 26, so the wrong number is 23.
-
What is 35% of 1,260?
Answer and working
Answer D
35% of 1,260 = 1,260 × 35/100 = 441.
-
A is four times as efficient as B. Together they finish a job in 48 days. How long would A take alone?
Answer and working
Answer E
If B does 1 unit a day, A does 4; together 5 units a day for 48 days = 240 units. A alone: 240 ÷ 4 = 60 days.
-
A trader buys a bicycle for ₹1,725 and sells it for ₹1,449. What is the profit or loss percent?
Answer and working
Answer C
Loss = ₹276. As a percent of the cost price: 276 ÷ 1,725 × 100 = 16% loss.
-
Which number replaces the question mark? 5, 15, 45, 135, 405, ?
Answer and working
Answer B
The rule: each term is the previous × 3. The missing term is 1,215.
-
The price of a cooler goes from ₹180 to ₹216. What is the percentage increase?
Answer and working
Answer D
Change = ₹36. On the original value: 36 ÷ 180 × 100 = 20%, a 20% increase. Dividing by the new value, 216, is the usual slip.
-
Which number replaces the question mark? 2, 4, 8, 16, ?, 64
Answer and working
Answer E
The rule: each term is the previous × 2. The missing term is 32.