- Test booklet
- प्रश्न पुस्तिका
- Booklet No.
- 1387940
- Series
- D
NIACL AO Prelims Paper 1
- 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 correctly spelt word.
Answer and working
Answer B
The correct spelling is globally.
-
Select the word closest in meaning to the given word.
DebonairAnswer and working
Answer D
Debonair (adjective) and Suave share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the incorrectly spelt word.
Answer and working
Answer B
gredient is wrong; it is spelt gradient. The others are correct.
-
Select the one word that can replace the given group of words.
Someone who dissipates resources self-indulgentlyAnswer and working
-
Select the incorrectly spelt word.
Answer and working
Answer A
unofficeally is wrong; it is spelt unofficially. The others are correct.
-
Select the word closest in meaning to the given word.
RemakeAnswer and working
Answer D
Remake (verb) and Redo share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
TestyAnswer and working
Answer C
Testy (adjective) and Cranky share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
StutterAnswer and working
Answer B
Stutter (noun) and Stammer 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 bulletin.
-
Select the word opposite in meaning to the given word.
LeaderAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer E
The correct spelling is arraignment.
-
Select the word opposite in meaning to the given word.
ComplainAnswer and working
Answer C
The opposite of complain is Cheer. Kick is the trap: it means the same, not the opposite.
Source: WordNet 3.1
-
Select the incorrectly spelt word.
Answer and working
Answer D
inconceivvable is wrong; it is spelt inconceivable. The others are correct.
-
Select the incorrectly spelt word.
Answer and working
Answer D
excessevely is wrong; it is spelt excessively. The others are correct.
-
Select the correctly spelt word.
Answer and working
Answer A
The correct spelling is elementary.
-
Select the word opposite in meaning to the given word.
RejectAnswer and working
-
Select the one word that can replace the given group of words.
A baseball pitcher who throws the ball with the left handAnswer and working
-
Select the one word that can replace the given group of words.
A person employed to keep watch for some anticipated eventAnswer and working
-
Select the word opposite in meaning to the given word.
StingyAnswer and working
-
Select the word closest in meaning to the given word.
NarrativeAnswer and working
Answer B
Narrative (noun) and Story 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 person regarded as arrogant and annoyingAnswer and working
-
Select the word closest in meaning to the given word.
TranquilAnswer and working
Answer D
Tranquil (adjective) and Placid share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
JailbreakAnswer and working
Answer A
Jailbreak (noun) and Breakout share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
VistaAnswer and working
Answer C
Vista (noun) and View 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 specialist in the care of babiesAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer B
The correct spelling is procession.
-
Select the word closest in meaning to the given word.
SteadfastAnswer and working
Answer A
Steadfast (adjective) and Firm share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word opposite in meaning to the given word.
AssetAnswer and working
-
Select the one word that can replace the given group of words.
A person appointed by a testator to carry out the terms of the willAnswer and working
Answer E
Executor: a person appointed by a testator to carry out the terms of the will.
Source: WordNet 3.1
-
Select the word opposite in meaning to the given word.
BlessAnswer and working
Part BReasoning Ability
-
In a row of 52 students, Lata is 15th from the left. What is Lata’s position from the right?
Answer and working
Answer A
Position from the right = total − position from the left + 1 = 52 − 15 + 1 = 38th.
-
Statements:
(1) All leaves are birds.
(2) Some leaves are not boxes.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some leaves are not birds.
(II) All birds are boxes.Answer and working
Answer D
Conclusion I need not hold: every one of the leaves may be birds. Conclusion II need not hold: some birds may lie outside boxes. So: Neither conclusion follows.
-
Statement: D ≥ B > P ≥ Z < C
Conclusions: I. Z ≥ D II. P = CAnswer and working
Answer D
Z and D: the chain gives Z < D, so Z ≥ D is not definitely true. P and C: the signs between them point both ways, so no relation can be fixed, so P = C is not definitely true. So: Neither conclusion follows.
-
Statements:
(1) No rings are cups.
(2) Some kites are not rings.
(3) All kites are coins.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some rings are not cups.
(II) No cups are rings.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.
-
Which one does not belong with the others?
Answer and working
Answer A
154, 33, 99, 110 are multiples of 11; 118 is not. The odd one is 118.
-
In a row of 55 students, Neha is 19th from the left. What is Neha’s position from the right?
Answer and working
Answer E
Position from the right = total − position from the left + 1 = 55 − 19 + 1 = 37th.
-
Statements:
(1) Some papers are lamps.
(2) Some fans are lamps.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) No lamps are fans.
(II) No fans are papers.Answer and working
Answer D
Conclusion I need not hold: lamps and fans may overlap. Conclusion II need not hold: fans and papers may overlap. So: Neither conclusion follows.
-
In the English alphabet, which letter is 4th to the left of the 11th letter from the left?
Answer and working
Answer D
The 11th letter from the left is K (position 11). 4 places to the left: position 7, which is G.
-
Statement: Y ≤ T ≤ L = E ≤ K
Conclusions: I. L = Y II. L > YAnswer and working
Answer C
L and Y: the chain gives L ≥ Y, so L = Y is not definitely true. L and Y: the chain gives L ≥ Y, so L > Y is not definitely true. Together the two cover every possibility the chain allows. So: Either conclusion I or II follows.
-
Statements:
(1) Some phones are flowers.
(2) No roads are phones.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) No phones are roads.
(II) Some flowers are phones.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.
-
In a certain code, SHIP is written as 104. How is MONEY written in that code?
Answer and working
Answer D
SHIP = 104 is twice the sum of the letters’ positions in the alphabet. For MONEY: 13 + 15 + 14 + 5 + 25 doubled = 144.
-
Deepak walks 8 km towards the south. He turns right and walks 15 km. He turns right and walks 10 km. He turns right and walks 14 km. Which direction is he facing now?
Answer and working
Answer D
Each right turn is a quarter turn clockwise, each left anticlockwise. The last leg runs East.
-
Statement: Z ≥ E ≥ T = W > S
Conclusions: I. T < Z II. T = ZAnswer and working
Answer C
T and Z: the chain gives T ≤ Z, so T < Z is not definitely true. T and Z: the chain gives T ≤ Z, so T = Z is not definitely true. Together the two cover every possibility the chain allows. So: Either conclusion I or II follows.
-
In a certain code, STAR is written as RSZQ. How is CARPET written in that code?
Answer and working
Answer E
From STAR → RSZQ: each letter moves 1 place back. Applied to CARPET: BZQODS.
-
If ‘+’ means ‘×’, ‘−’ means ‘÷’, ‘×’ means ‘−’, ‘÷’ means ‘+’, what is the value of 14 − 7 + 9 × 6 ÷ 10?
Answer and working
Answer E
Replace the signs: 14 ÷ 7 × 9 − 6 + 10. Division and multiplication first, then addition and subtraction: 22.
-
Pointing to a woman in a photograph, Imran said, ‘She is the only daughter of my father’s mother.’ How is the woman related to Imran?
Answer and working
Answer E
My father’s mother’s only daughter is my father’s sister. So the woman is Imran’s aunt.
-
Statement: R > G > W ≥ S > B
Conclusions: I. S ≤ R II. G ≥ BAnswer and working
Answer E
S and R: the chain gives S < R, so S ≤ R is definitely true. G and B: the chain gives G > B, so G ≥ B is definitely true. So: Both conclusions follow.
-
Statement: A ≤ P ≤ F < M ≥ Q
Conclusions: I. A < M II. M ≥ AAnswer and working
Answer E
A and M: the chain gives A < M, so A < M is definitely true. M and A: the chain gives M > A, so M ≥ A is definitely true. So: Both conclusions follow.
-
Statements:
(1) No tables are roads.
(2) Some bottles are not tables.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) All roads are bottles.
(II) Some roads are not bottles.Answer and working
Answer C
Conclusion I need not hold: some roads may lie outside bottles. Conclusion II need not hold: every one of the roads may be bottles. But the two cannot both be false: in every diagram exactly one of them is true. So: Either conclusion I or II follows.
-
In a certain code, PLANET is written as KOZMVG. How is TABLE written in that code?
Answer and working
Answer B
From PLANET → KOZMVG: each letter is replaced by its opposite in the alphabet (A ↔ Z, B ↔ Y …). Applied to TABLE: GZYOV.
-
Pointing to a man in a photograph, Priya said, ‘He is the son of my grandfather’s only son.’ How is the man related to Priya?
Answer and working
Answer C
My grandfather’s only son is my father; his child, other than me, is my brother or sister. So the man is Priya’s brother.
-
Vijay walks 9 km towards the south. He turns left and walks 2 km. He turns left and walks 12 km. He turns right and walks 2 km. How far is he from the starting point in a straight line?
Answer and working
Answer C
Taking east and north as positive: he ends 4 km east and 3 km north of the start. Straight-line distance = √(4² + 3²) = 5 km.
-
In the English alphabet, which letter is 5th to the right of the 13th letter from the left?
Answer and working
Answer D
The 13th letter from the left is M (position 13). 5 places to the right: position 18, which is R.
-
D is the husband of V. V is the sister of Y. How is D related to Y?
Answer and working
Answer C
Follow the links out from Y: V is Y’s sister; D is V’s husband. So D is Y’s brother-in-law.
-
Statement: C > N > G < P = L
Conclusions: I. C ≤ G II. L ≥ GAnswer and working
Answer B
C and G: the chain gives C > G, so C ≤ G is not definitely true. L and G: the chain gives L > G, so L ≥ G is definitely true. So: Only conclusion II follows.
-
Which number replaces the question mark? 18, 48, 20, 42, ?, 36
Answer and working
Answer C
The rule: two series alternate: 18, 20, 22 … rising by 2, and 48, 42, 36 … falling by 6. The missing term is 22.
Directions for questions 57 to 61
Six friends, Arun, Bina, Chetan, Divya, Esha and Farhan, sit in a row facing north. Esha sits third to the left of Chetan. Bina and Divya sit next to each other. Bina sits at one of the two ends. Bina sits somewhere to the right of Divya. Exactly one person sits between Divya and Arun.-
Who sits at the extreme right end?
Answer and working
Answer A
Only one order fits every clue, from the left: Esha, Farhan, Arun, Chetan, Divya, Bina. Bina.
-
Who sits immediately to the right of Chetan?
Answer and working
Answer E
Only one order fits every clue, from the left: Esha, Farhan, Arun, Chetan, Divya, Bina. Divya.
-
How many people sit between Arun and Esha?
Answer and working
Answer E
Only one order fits every clue, from the left: Esha, Farhan, Arun, Chetan, Divya, Bina. Between them: 1.
-
Which pair sits at the two ends of the row?
Answer and working
Answer C
Only one order fits every clue, from the left: Esha, Farhan, Arun, Chetan, Divya, Bina. Esha and Bina.
-
What is Chetan’s position from the left end?
Answer and working
Answer A
Only one order fits every clue, from the left: Esha, Farhan, Arun, Chetan, Divya, Bina. 4th.
-
In a certain code, FISH is written as 42. How is BOTTLE written in that code?
Answer and working
Answer D
FISH = 42 is the sum of the letters’ positions in the alphabet (A = 1 … Z = 26). For BOTTLE: 2 + 15 + 20 + 20 + 12 + 5 = 74.
-
Which number replaces the question mark? 97, 101, 103, 107, 109, 113, ?
Answer and working
Answer B
The rule: consecutive prime numbers. The missing term is 127.
-
If ‘+’ means ‘−’, ‘−’ means ‘×’, ‘×’ means ‘÷’, ‘÷’ means ‘+’, what is the value of 30 − 6 × 10 + 17 ÷ 7?
Answer and working
Answer B
Replace the signs: 30 × 6 ÷ 10 − 17 + 7. Division and multiplication first, then addition and subtraction: 8.
-
Sunil walks 11 km towards the north. He turns left and walks 2 km. He turns left and walks 11 km. He turns left and walks 2 km. He turns right and walks 15 km. How far is he from the starting point in a straight line?
Answer and working
Answer B
Taking east and north as positive: he ends 0 km east and 15 km south of the start. Straight-line distance = √(0² + 15²) = 15 km.
Part CQuantitative Aptitude
-
Solve both equations and compare x and y.
I. x² − 13x + 12 = 0
II. y² − 13y + 42 = 0Answer and working
Answer E
I gives x = 1 or 12. II gives y = 6 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.
-
A bag holds 7 red, 6 blue and 5 green balls. One ball is drawn at random. What is the probability that it is red?
Answer and working
Answer D
7 of the 18 balls are red. Probability = 7⁄18.
Directions for questions 68 to 72
Study the table and answer the questions that follow.
Cars produced by five plants, in two successive years Plant Year 1 Year 2 Plant J 780 1,092 Plant K 420 504 Plant L 340 357 Plant M 580 870 Plant N 300 420 -
By what percent did Plant J’s figure change from Year 1 to Year 2?
Answer and working
Answer B
Change = 1,092 − 780 = 312. On Year 1: 312 ÷ 780 × 100 = 40% increase.
-
What is the total for Plant L over the two years?
Answer and working
Answer A
340 + 357 = 697.
-
Plant J’s Year 2 figure is what percent of Plant K’s Year 2 figure?
Answer and working
Answer E
1,092 ÷ 504 × 100 = 216.67%.
-
What is the average Year 2 figure of the five?
Answer and working
Answer B
Sum of Year 2 = 3,243. ÷ 5 = 648.6.
-
What is the ratio of Plant L’s Year 1 figure to Plant M’s Year 2 figure?
Answer and working
Answer E
340 : 870 = 34 : 87.
-
A boat covers 34 km downstream in 2 hours and 39 km upstream in 3 hours. What is the speed of the stream?
Answer and working
Answer A
Downstream speed = 34 ÷ 2 = 17 km/h; upstream = 39 ÷ 3 = 13 km/h. Stream = (17 − 13) ÷ 2 = 2 km/h.
-
Which number replaces the question mark? 17, 23, 32, 44, 59, 77, ?
Answer and working
Answer E
The rule: the differences grow by 3: 6, 9, 12, 15, 18, 21. The missing term is 98.
-
The average weight of 6 people goes up by 3.5 kg when a new person takes the place of one who weighs 55 kg. What does the new person weigh?
Answer and working
Answer A
The total rises by 6 × 3.5 = 21 kg, so the new person weighs 55 + 21 = 76 kg.
-
What is 8% of 1,200?
Answer and working
Answer E
8% of 1,200 = 1,200 × 8/100 = 96.
-
What is the mean proportional between 25 and 9?
Answer and working
Answer C
Mean proportional = √(25 × 9) = √225 = 15.
-
A train 120 m long crosses a platform 210 m long in 22 seconds. What is the speed of the train?
Answer and working
Answer C
It must cover its own length and the platform: 120 + 210 = 330 m in 22 s, so 15 m/s = 15 × 18/5 = 54 km/h.
-
Find the wrong number in the series: 3, 7, 15, 31, 63, 135, 255
Answer and working
Answer E
The rule: each term is the previous × 2 + 1. The term in place of 135 should be 127, so the wrong number is 135.
-
What is √841 + √289 − √144?
Answer and working
Answer D
29 + 17 − 12 = 34.
-
Simplify: 1⁄8 + 1⁄12 + 1⁄4
Answer and working
Answer B
Over the common denominator 24: the sum is 11⁄24. Adding tops and bottoms separately (3/24) is the trap.
-
Solve both equations and compare x and y.
I. x² − 7x − 44 = 0
II. y² − 2y − 80 = 0Answer and working
Answer E
I gives x = −4 or 11. II gives y = −8 or 10. 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 − 9x = 0
II. y² − 1 = 0Answer and working
Answer E
I gives x = 0 or 9. II gives y = −1 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 − 15x + 50 = 0
II. y² − 10y − 24 = 0Answer and working
Answer E
I gives x = 5 or 10. II gives y = −2 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.
-
Find the wrong number in the series: 10, 14, 23, 39, 64, 94, 149
Answer and working
Answer C
The rule: the differences are squares: 4, 9, 16, 25, 36, 49. The term in place of 94 should be 100, so the wrong number is 94.
-
A bus goes from Pune to Nashik at 30 km/h and returns by the same road at 42 km/h. What is its average speed for the whole journey?
Answer and working
Answer D
For equal distances, average speed = 2xy/(x + y) = 2 × 30 × 42 ÷ 72 = 35 km/h. The plain average, 36, ignores that the slower leg takes longer.
-
Which number replaces the question mark? 11, 15, 24, 40, 65, 101, ?
Answer and working
Answer A
The rule: the differences are squares: 4, 9, 16, 25, 36, 49. The missing term is 150.
-
A shopkeeper marks his goods 60% above the cost price and allows a discount of 15%. What is his profit or loss percent?
Answer and working
Answer B
Take CP = 100. Marked price = 160. After 15% off: 160 × 85/100 = 136. So 36% profit.
-
The sum of the present ages of a father and his son is 82 years. 6 years ago, the father was 6 times as old as the son. How old is the son now?
Answer and working
Answer E
Let the son be s. Then (82 − s − 6) = 6(s − 6), so 112 = 7s and s = 16 years.
-
Simplify: 1⁄6 + 1⁄2 + 1⁄4
Answer and working
Answer D
Over the common denominator 12: the sum is 11⁄12. Adding tops and bottoms separately (3/12) is the trap.
-
63 litres of a mixture contains milk and water in the ratio 6 : 1. How much water must be added to make the ratio 3 : 1?
Answer and working
Answer B
Milk = 54 l, water = 9 l. For 3 : 1, water must be 54 × 1/3 = 18 l. Add 18 − 9 = 9 litres.
-
A sum of money at simple interest amounts to ₹21,600 in 4 years and to ₹24,900 in 6 years. What is the sum?
Answer and working
Answer B
Interest for 2 years = 24,900 − 21,600 = ₹3,300, so ₹1,650 a year. Interest for 4 years = ₹6,600. Sum = 21,600 − 6,600 = ₹15,000.
-
145 is what percent of 1,160?
Answer and working
Answer C
145 ÷ 1,160 × 100 = 12.5%.
-
What is √625 + √841 − √196?
Answer and working
Answer C
25 + 29 − 14 = 40.
-
A and B together can do a job in 7 days. A alone can do it in 8 days. In how many days can B alone do it?
Answer and working
Answer E
B’s one day = 1/7 − 1/8 = 1/56. B alone takes 56 days.
-
Which number replaces the question mark? 1, 4, 13, 40, ?, 364
Answer and working
Answer A
The rule: each term is the previous × 3 + 1. The missing term is 121.
-
Solve both equations and compare x and y.
I. x² − 13x + 36 = 0
II. y² − 6y + 8 = 0Answer and working
Answer B
I gives x = 4 or 9. II gives y = 2 or 4. No x is smaller than any y, and one value of each is equal: x ≥ y.
-
A trader buys a bicycle for ₹1,275 and sells it for ₹1,530. What is the profit or loss percent?
Answer and working
Answer E
Profit = ₹255. As a percent of the cost price: 255 ÷ 1,275 × 100 = 20% profit.
-
₹30,000 amounts to ₹36,300 in 2 years at compound interest, compounded annually. What is the rate of interest?
Answer and working
Answer B
(1 + R/100)² = 36,300/30,000 = 1.21, so 1 + R/100 = 1.1 and R = 10%. Dividing the interest equally between the years (simple interest) gives a wrong answer.
-
Simplify: 20 + 5 × 10 − 42 ÷ 6
Answer and working
Answer C
Division and multiplication first: 5 × 10 = 50 and 42 ÷ 6 = 7. Then 20 + 50 − 7 = 63.