- Test booklet
- प्रश्न पुस्तिका
- Booklet No.
- 4016499
- Series
- D
NIACL AO Prelims Paper 8
- 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.
Formerly a term of respect for important white Europeans in colonial IndiaAnswer and working
Answer E
Sahib: formerly a term of respect for important white Europeans in colonial India.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
AbandonmentAnswer and working
Answer B
Abandonment (noun) and Desertion share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
ResuscitateAnswer and working
Answer D
Resuscitate (verb) and Revive 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.
A member of a military unit trained as shock troops for hit-and-run raidsAnswer and working
Answer B
Commando: a member of a military unit trained as shock troops for hit-and-run raids.
Source: WordNet 3.1
-
Select the word opposite in meaning to the given word.
OptimisticAnswer and working
-
Select the word closest in meaning to the given word.
AvertAnswer and working
Answer E
Avert (verb) and Avoid 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 intolerable.
-
Select the word closest in meaning to the given word.
SubtletyAnswer and working
Answer A
Subtlety (noun) and Nuance share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the correctly spelt word.
Answer and working
Answer C
The correct spelling is pillage.
-
Select the word opposite in meaning to the given word.
WindwardAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer A
The correct spelling is settlement.
-
Select the correctly spelt word.
Answer and working
Answer A
The correct spelling is passionately.
-
Select the word closest in meaning to the given word.
ExpectancyAnswer and working
Answer C
Expectancy (noun) and Anticipation 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 drives a taxi for a livingAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer D
The correct spelling is carriage.
-
Select the correctly spelt word.
Answer and working
Answer C
The correct spelling is inseparable.
-
Select the word closest in meaning to the given word.
RifeAnswer and working
Answer B
Rife (adjective) and Prevalent share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
AglowAnswer and working
Answer E
Aglow (adjective) and Luminous 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 saves something from danger or violenceAnswer and working
-
Select the word closest in meaning to the given word.
BelittleAnswer and working
Answer E
Belittle (verb) and Denigrate 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 performs magic tricks to amuse an audienceAnswer and working
-
Select the incorrectly spelt word.
Answer and working
Answer A
allegattion is wrong; it is spelt allegation. The others are correct.
-
Select the word opposite in meaning to the given word.
ExpandAnswer and working
-
Select the word opposite in meaning to the given word.
LatterAnswer and working
-
Select the incorrectly spelt word.
Answer and working
Answer C
effortlesly is wrong; it is spelt effortlessly. The others are correct.
-
Select the one word that can replace the given group of words.
A person who uses something or someone selfishly or unethicallyAnswer and working
Answer C
Exploiter: a person who uses something or someone selfishly or unethically.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
QuarrelAnswer and working
Answer A
Quarrel (verb) and Scrap share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word opposite in meaning to the given word.
DarkenAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer E
The correct spelling is inconceivable.
-
Select the word opposite in meaning to the given word.
LiberatorAnswer and working
Part BReasoning Ability
-
Which one does not belong with the others?
Answer and working
Answer E
256, 25, 49, 36 are perfect squares; 261 is not. The odd one is 261.
-
Kavita walks 4 km towards the north. She turns left and walks 13 km. She turns left and walks 13 km. She turns left and walks 13 km. She turns left and walks 3 km. How far is she from the starting point in a straight line?
Answer and working
Answer E
Taking east and north as positive: she ends 0 km east and 6 km south of the start. Straight-line distance = √(0² + 6²) = 6 km.
-
Statement: B < V > C ≤ M < P
Conclusions: I. C < P II. B ≥ PAnswer and working
Answer A
C and P: the chain gives C < P, so C < P is definitely true. B and P: the signs between them point both ways, so no relation can be fixed, so B ≥ P is not definitely true. So: Only conclusion I follows.
-
Statements:
(1) All doors are shirts.
(2) All cups are doors.
(3) All bottles are cups.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some doors are cups.
(II) No bottles are shirts.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: bottles and shirts may overlap. So: Only conclusion I follows.
-
Statements:
(1) Some stones are planes.
(2) Some planes are coins.
(3) All pens are coins.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some planes are not coins.
(II) All planes are stones.Answer and working
Answer D
Conclusion I need not hold: every one of the planes may be coins. Conclusion II need not hold: some planes may lie outside stones. So: Neither conclusion follows.
-
Statement: V < H > U > L > T
Conclusions: I. V < U II. L ≤ HAnswer and working
Answer B
V and U: the signs between them point both ways, so no relation can be fixed, so V < U is not definitely true. L and H: the chain gives L < H, so L ≤ H is definitely true. So: Only conclusion II follows.
-
Statements:
(1) All bags are bells.
(2) All bells are pens.
(3) Some fans are pens.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some fans are not pens.
(II) All bags are pens.Answer and working
Answer B
Conclusion I need not hold: every one of the fans may be pens. Conclusion II holds in every diagram the statements allow. So: Only conclusion II follows.
-
Statements:
(1) No trees are pens.
(2) All trees are flowers.
(3) No flowers are lamps.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) All pens are trees.
(II) Some flowers are lamps.Answer and working
Answer D
Conclusion I need not hold: some pens may lie outside trees. Conclusion II need not hold: flowers and lamps need not overlap at all. So: Neither conclusion follows.
-
In the English alphabet, which letter is 3rd to the right of the 12th letter from the right?
Answer and working
Answer B
The 12th letter from the right is O (position 15). 3 places to the right: position 18, which is R.
-
In a certain code, COPPER is written as XLKKVI. How is TABLE written in that code?
Answer and working
Answer C
From COPPER → XLKKVI: each letter is replaced by its opposite in the alphabet (A ↔ Z, B ↔ Y …). Applied to TABLE: GZYOV.
-
Rohit walks 11 km towards the east. He turns right and walks 9 km. He turns left and walks 5 km. He turns right and walks 8 km. He turns right and walks 14 km. Which direction is he facing now?
Answer and working
Answer B
Each right turn is a quarter turn clockwise, each left anticlockwise. The last leg runs West.
-
Statement: Y < B = S ≤ X ≤ N
Conclusions: I. B ≤ X II. Y < XAnswer and working
Answer E
B and X: the chain gives B ≤ X, so B ≤ X is definitely true. Y and X: the chain gives Y < X, so Y < X is definitely true. So: Both conclusions follow.
-
Statements:
(1) No bags are planes.
(2) Some bags are cups.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) No cups are bags.
(II) Some planes are not bags.Answer and working
Answer B
Conclusion I need not hold: cups and bags may overlap. Conclusion II holds in every diagram the statements allow. So: Only conclusion II follows.
-
In a queue, Kabir is 7th from the front and Ritu is 22nd from the front. How many people stand between them?
Answer and working
Answer A
Between positions 7 and 22 there are 22 − 7 − 1 = 14 people.
-
In a certain code, LADDER is written as NCFFGT. How is PILLOW written in that code?
Answer and working
Answer A
From LADDER → NCFFGT: each letter moves 2 places forward. Applied to PILLOW: RKNNQY.
-
Find the wrong number in the series: 24, 35, 48, 63, 76, 99, 120
Answer and working
Answer A
The rule: the terms are 5², 6², 7² … minus 1. The term in place of 76 should be 80, so the wrong number is 76.
-
Statement: J = C ≥ P > L > R
Conclusions: I. C ≥ L II. R < JAnswer and working
Answer E
C and L: the chain gives C > L, so C ≥ L is definitely true. R and J: the chain gives R < J, so R < J is definitely true. So: Both conclusions follow.
-
In a certain code, RIVER is written as QHUDQ. How is DESK written in that code?
Answer and working
Answer E
From RIVER → QHUDQ: each letter moves 1 place back. Applied to DESK: CDRJ.
-
In the English alphabet, which letter is 9th to the left of the 15th letter from the right?
Answer and working
Answer C
The 15th letter from the right is L (position 12). 9 places to the left: position 3, which is C.
-
Rohit walks 5 km towards the south. He turns left and walks 5 km. He turns left and walks 5 km. He turns left and walks 4 km. How far, and in which direction, is he from the starting point?
Answer and working
Answer D
Taking east and north as positive: he ends 1 km east and 0 km north of the start. Distance = √(1² + 0²) = 1 km. 1 km, east.
Directions for questions 51 to 55
Five friends, Arun, Bina, Chetan, Divya and Esha, sit in a row facing north. Bina sits second to the right of Divya. Arun sits somewhere to the right of Divya. Esha sits second to the right of Chetan. Esha sits third to the right of Divya.-
How many people sit between Arun and Divya?
Answer and working
Answer C
Only one order fits every clue, from the left: Divya, Chetan, Bina, Esha, Arun. Between them: 3.
-
Which pair sits at the two ends of the row?
Answer and working
Answer B
Only one order fits every clue, from the left: Divya, Chetan, Bina, Esha, Arun. Divya and Arun.
-
What is Esha’s position from the left end?
Answer and working
Answer E
Only one order fits every clue, from the left: Divya, Chetan, Bina, Esha, Arun. 4th.
-
Who sits at the extreme right end?
Answer and working
Answer A
Only one order fits every clue, from the left: Divya, Chetan, Bina, Esha, Arun. Arun.
-
Who sits at the extreme left end?
Answer and working
Answer B
Only one order fits every clue, from the left: Divya, Chetan, Bina, Esha, Arun. Divya.
-
If ‘+’ means ‘−’, ‘−’ means ‘÷’, ‘×’ means ‘+’, ‘÷’ means ‘×’, what is the value of 49 ÷ 11 × 3 + 8 − 8?
Answer and working
Answer E
Replace the signs: 49 × 11 + 3 − 8 ÷ 8. Division and multiplication first, then addition and subtraction: 541.
-
In a class, Kabir ranks 26th from the top and 17th from the bottom. How many students are in the class?
Answer and working
Answer C
Kabir is counted in both ranks, so the total is 26 + 17 − 1 = 42.
-
In a certain code, SHIP is written as TIJQ. How is GARDEN written in that code?
Answer and working
Answer B
From SHIP → TIJQ: each letter moves 1 place forward. Applied to GARDEN: HBSEFO.
-
T is the mother of M. U is the mother of T. How is U related to M?
Answer and working
Answer B
Follow the links out from M: T is M’s mother; U is T’s mother. So U is M’s grandmother.
-
If ‘+’ means ‘÷’, ‘−’ means ‘×’, ‘×’ means ‘+’, ‘÷’ means ‘−’, what is the value of 36 − 7 + 3 ÷ 5 × 5?
Answer and working
Answer C
Replace the signs: 36 × 7 ÷ 3 − 5 + 5. Division and multiplication first, then addition and subtraction: 84.
-
J is the wife of T. T is the brother of S. How is J related to S?
Answer and working
Answer C
Follow the links out from S: T is S’s brother; J is T’s wife. So J is S’s sister-in-law.
-
Which number replaces the question mark? 4, 5, 12, 39, 160, ?
Answer and working
Answer A
The rule: each term is the previous × 1 + 1, × 2 + 2, × 3 + 3, and so on. The missing term is 805.
-
Statements:
(1) Some rings are not pens.
(2) All pens are bags.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some pens are bags.
(II) All bags are rings.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: some bags may lie outside rings. So: Only conclusion I follows.
-
G is the daughter of N. N is the son of J. How is G related to J?
Answer and working
Answer D
Follow the links out from J: N is J’s son; G is N’s daughter. So G is J’s granddaughter.
-
Statement: A = W > C = R ≤ U
Conclusions: I. C < U II. C = UAnswer and working
Answer C
C and U: the chain gives C ≤ U, so C < U is not definitely true. C and U: the chain gives C ≤ U, so C = U is not definitely true. Together the two cover every possibility the chain allows. So: Either conclusion I or II follows.
Part CQuantitative Aptitude
-
An article bought for ₹1,575 is sold at a profit of 20%. What is its selling price?
Answer and working
Answer C
SP = CP × (100 + profit%)/100 = 1,575 × 120/100 = ₹1,890.
-
What is the value of 78² − 17²?
Answer and working
Answer A
a² − b² = (a + b)(a − b) = 95 × 61 = 5,795.
-
Two trains 110 m and 130 m long run on parallel tracks in opposite directions at 28 km/h and 44 km/h. How long do they take to cross each other?
Answer and working
Answer D
Relative speed = 28 + 44 = 72 km/h = 20 m/s. Distance = 110 + 130 = 240 m. Time = 240 ÷ 20 = 12 seconds.
-
A number is first increased by 30% and then decreased by 40%. What is the net change?
Answer and working
Answer B
Net effect = 30 − 40 − (30 × 40)/100 = −22%, so 22% decrease.
-
Which number replaces the question mark? 28, 65, 126, 217, 344, ?
Answer and working
Answer E
The rule: the terms are 3³, 4³, 5³ … plus 1. The missing term is 513.
-
A and B together can do a job in 6 days. A alone can do it in 10 days. In how many days can B alone do it?
Answer and working
Answer D
B’s one day = 1/6 − 1/10 = 1/15. B alone takes 15 days.
-
Solve both equations and compare x and y.
I. x² − 17x + 66 = 0
II. y² − 10y + 21 = 0Answer and working
Answer E
I gives x = 6 or 11. II gives y = 3 or 7. Some x are bigger and some smaller than some y, so no single relation holds: x = y or no relation can be established.
-
The average of 8 numbers is 69. When one number is removed, the average of the rest is 72. Which number was removed?
Answer and working
Answer C
Total of 8 = 8 × 69 = 552. Total of 7 = 7 × 72 = 504. Removed = 552 − 504 = 48.
-
What is the value of 57² − 16²?
Answer and working
Answer D
a² − b² = (a + b)(a − b) = 73 × 41 = 2,993.
-
Three fair coins are tossed. What is the probability of getting at least two heads?
Answer and working
Answer D
Of the 8 equally likely outcomes, 4 qualify. Probability = 1⁄2.
-
A scooter runs at 90 km/h. What is its speed in metres per second?
Answer and working
Answer D
Multiply by 5/18: 90 × 5/18 = 25 m/s.
-
Simplify: 2⁄3 + 2⁄5 + 3⁄4
Answer and working
Answer B
Over the common denominator 60: the sum is 109⁄60. Adding tops and bottoms separately (9/17) is the trap.
-
A number is first increased by 10% and then decreased by 30%. What is the net change?
Answer and working
Answer A
Net effect = 10 − 30 − (10 × 30)/100 = −23%, so 23% decrease.
Directions for questions 79 to 83
Study the table and answer the questions that follow.
Saplings planted by five villages, in two successive years Village Year 1 Year 2 Village P 460 552 Village Q 560 728 Village R 300 375 Village S 580 522 Village T 720 1,008 -
Village R’s Year 2 figure is what percent of Village P’s Year 2 figure?
Answer and working
Answer E
375 ÷ 552 × 100 = 67.93%.
-
What is the ratio of Village R’s Year 1 figure to Village Q’s Year 2 figure?
Answer and working
Answer E
300 : 728 = 75 : 182.
-
What is the average Year 2 figure of the five?
Answer and working
Answer E
Sum of Year 2 = 3,185. ÷ 5 = 637.
-
What is the total for Village S over the two years?
Answer and working
Answer E
580 + 522 = 1,102.
-
By what percent did Village Q’s figure change from Year 1 to Year 2?
Answer and working
Answer A
Change = 728 − 560 = 168. On Year 1: 168 ÷ 560 × 100 = 30% increase.
-
A shopkeeper marks an article 50% above its cost price and allows a discount of 10%. If the article was sold for ₹3,375, what was its cost price?
Answer and working
Answer C
SP = CP × 1.5 × 0.9 = CP × 1.35. So CP = 3,375 ÷ 1.35 = ₹2,500.
-
Simplify: 1⁄2 + 3⁄5 + 2⁄3
Answer and working
Answer E
Over the common denominator 30: the sum is 53⁄30. Adding tops and bottoms separately (6/10) is the trap.
-
The present ages of Asha and her elder brother are in the ratio 3 : 5. After 6 years, the ratio will be 3 : 4. What is Asha’s present age?
Answer and working
Answer D
Ages 3x and 5x. (3x + 6) : (5x + 6) = 3 : 4 gives x = 2. Asha is 3 × 2 = 6 years.
-
A sum of money at simple interest amounts to ₹35,640 in 2 years and to ₹38,280 in 4 years. What is the sum?
Answer and working
Answer E
Interest for 2 years = 38,280 − 35,640 = ₹2,640, so ₹1,320 a year. Interest for 2 years = ₹2,640. Sum = 35,640 − 2,640 = ₹33,000.
-
The incomes of P and Q are in the ratio 6 : 5 and their expenditures are in the ratio 11 : 9. If each saves ₹2,500 a month, what is P’s monthly income?
Answer and working
Answer A
Incomes 6x and 5x. (6x − 2,500) : (5x − 2,500) = 11 : 9 gives x = 5,000. P’s income = 6 × 5,000 = ₹30,000.
-
Solve both equations and compare x and y.
I. x² − 1 = 0
II. y² − 64 = 0Answer and working
Answer E
I gives x = −1 or 1. II gives y = −8 or 8. 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 − 13x + 22 = 0
II. y² − 21y + 108 = 0Answer and working
Answer E
I gives x = 2 or 11. II gives y = 9 or 12. Some x are bigger and some smaller than some y, so no single relation holds: x = y or no relation can be established.
-
What is the compound interest on ₹6,250 for 2 years at 12% per annum, compounded annually?
Answer and working
Answer C
Amount = 6,250 × (1 + 12/100)2 = ₹7,840. CI = 7,840 − 6,250 = ₹1,590.
-
Solve both equations and compare x and y.
I. x² − 3x + 2 = 0
II. y² + 5y − 36 = 0Answer and working
Answer E
I gives x = 1 or 2. II gives y = −9 or 4. Some x are bigger and some smaller than some y, so no single relation holds: x = y or no relation can be established.
-
Which number replaces the question mark? 8, 27, 64, 125, 216, ?
Answer and working
Answer D
The rule: the terms are 2³, 3³, 4³ …. The missing term is 343.
-
In what ratio must rice at ₹50/kg be mixed with rice at ₹74/kg so that the mixture is worth ₹53/kg?
Answer and working
Answer A
By alligation: cheaper : dearer = (74 − 53) : (53 − 50) = 21 : 3 = 7 : 1.
-
Solve both equations and compare x and y.
I. x² − 7x − 44 = 0
II. y² − 15y + 56 = 0Answer and working
Answer E
I gives x = −4 or 11. II gives y = 7 or 8. Some x are bigger and some smaller than some y, so no single relation holds: x = y or no relation can be established.
-
Which number replaces the question mark? 13, 65, 20, ?, 27, 57
Answer and working
Answer B
The rule: two series alternate: 13, 20, 27 … rising by 7, and 65, 61, 57 … falling by 4. The missing term is 61.
-
Which number replaces the question mark? 7, 14, 28, 56, 112, ?
Answer and working
Answer B
The rule: each term is the previous × 2. The missing term is 224.
-
A boat covers 88 km downstream in 4 hours and 80 km upstream in 5 hours. What is the speed of the boat in still water?
Answer and working
Answer B
Downstream speed = 88 ÷ 4 = 22 km/h; upstream = 80 ÷ 5 = 16 km/h. Boat = (22 + 16) ÷ 2 = 19 km/h.
-
Which number replaces the question mark? 2, 3, ?, 17, 30, 47
Answer and working
Answer A
The rule: the differences grow by 4: 1, 5, 9, 13, 17, 21. The missing term is 8.
-
Simplify: 1⁄5 + 2⁄3 + 1⁄2
Answer and working
Answer B
Over the common denominator 30: the sum is 41⁄30. Adding tops and bottoms separately (6/14) is the trap.