- Test booklet
- प्रश्न पुस्तिका
- Booklet No.
- 2224683
- Series
- C
NIACL AO Prelims Paper 10
- 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 word opposite in meaning to the given word.
EmpiricalAnswer and working
-
Select the incorrectly spelt word.
Answer and working
Answer B
inveluable is wrong; it is spelt invaluable. The others are correct.
-
Select the correctly spelt word.
Answer and working
Answer C
The correct spelling is confessional.
-
Select the word closest in meaning to the given word.
SheenAnswer and working
Answer A
Sheen (noun) and Luster share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
AcknowledgeAnswer and working
Answer E
Acknowledge (verb) and Admit share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word opposite in meaning to the given word.
GuiltAnswer and working
-
Select the one word that can replace the given group of words.
A person who makes deceitful pretensesAnswer and working
-
Select the word closest in meaning to the given word.
BelittleAnswer and working
Answer B
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 lends money or gives credit in business mattersAnswer and working
-
Select the word opposite in meaning to the given word.
UploadAnswer and working
-
Select the one word that can replace the given group of words.
An expert able to appreciate a fieldAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer B
The correct spelling is disarray.
-
Select the word closest in meaning to the given word.
ExamineAnswer and working
Answer B
Examine (verb) and Study 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 owns a homeAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer A
The correct spelling is collateral.
-
Select the correctly spelt word.
Answer and working
Answer A
The correct spelling is illiterate.
-
Select the word opposite in meaning to the given word.
HorizontalAnswer and working
-
Select the one word that can replace the given group of words.
Someone who writes an account of a person's lifeAnswer and working
-
Select the word opposite in meaning to the given word.
UnilateralAnswer and working
-
Select the word closest in meaning to the given word.
RecantAnswer and working
Answer D
Recant (verb) and Retract share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
BombardmentAnswer and working
Answer A
Bombardment (noun) and Barrage 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 excessive.
-
Select the word closest in meaning to the given word.
LieuAnswer and working
Answer E
Lieu (noun) and Stead 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 refinery.
-
Select the one word that can replace the given group of words.
Someone who administers a test to determine your qualificationsAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer E
The correct spelling is jubilee.
-
Select the word closest in meaning to the given word.
TeensyAnswer and working
Answer D
Teensy (adjective) and Bitty share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
InnuendoAnswer and working
Answer E
Innuendo (noun) and Insinuation share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the incorrectly spelt word.
Answer and working
Answer A
accellerator is wrong; it is spelt accelerator. The others are correct.
-
Select the word opposite in meaning to the given word.
PersuasionAnswer and working
Part BReasoning Ability
-
Statement: S = H > K = J > D
Conclusions: I. H = J II. K < SAnswer and working
Answer B
H and J: the chain gives H > J, so H = J is not definitely true. K and S: the chain gives K < S, so K < S is definitely true. So: Only conclusion II follows.
-
In a class, Lata ranks 6th from the top and 25th from the bottom. How many students are in the class?
Answer and working
Answer E
Lata is counted in both ranks, so the total is 6 + 25 − 1 = 30.
-
Statement: H < B ≥ D = T ≤ V
Conclusions: I. D = V II. D < VAnswer and working
Answer C
D and V: the chain gives D ≤ V, so D = V is not definitely true. D and V: the chain gives D ≤ V, so D < V is not definitely true. Together the two cover every possibility the chain allows. So: Either conclusion I or II follows.
-
In a certain code, PLANET is written as 68. How is APPLE written in that code?
Answer and working
Answer B
PLANET = 68 is the sum of the letters’ positions in the alphabet (A = 1 … Z = 26). For APPLE: 1 + 16 + 16 + 12 + 5 = 50.
-
In a certain code, BREAD is written as CQFZE. How is MARKET written in that code?
Answer and working
Answer E
From BREAD → CQFZE: letters in odd places move 1 forward, letters in even places move 1 back. Applied to MARKET: NZSJFS.
-
C is the son of Q. Y is the son of C. How is Y related to Q?
Answer and working
Answer B
Follow the links out from Q: C is Q’s son; Y is C’s son. So Y is Q’s grandson.
-
In a row of 48 students, Neha is 14th 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 = 48 − 14 + 1 = 35th.
-
Statements:
(1) Some roads are clouds.
(2) Some birds are not clouds.
(3) All birds are pens.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some clouds are not birds.
(II) All clouds are birds.Answer and working
Answer C
Conclusion I need not hold: every one of the clouds may be birds. Conclusion II need not hold: some clouds may lie outside birds. But the two cannot both be false: in every diagram exactly one of them is true. So: Either conclusion I or II follows.
-
Statements:
(1) No boxes are tables.
(2) Some chairs are boxes.
(3) Some bells are chairs.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) All tables are bells.
(II) Some tables are not bells.Answer and working
Answer C
Conclusion I need not hold: some tables may lie outside bells. Conclusion II need not hold: every one of the tables may be bells. But the two cannot both be false: in every diagram exactly one of them is true. So: Either conclusion I or II follows.
-
Statements:
(1) Some leaves are not watches.
(2) All pens are watches.
(3) All pens are fans.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some pens are not fans.
(II) Some pens are leaves.Answer and working
Answer D
Conclusion I need not hold: every one of the pens may be fans. Conclusion II need not hold: pens and leaves need not overlap at all. So: Neither conclusion follows.
-
If ‘+’ means ‘−’, ‘−’ means ‘+’, ‘×’ means ‘÷’, ‘÷’ means ‘×’, what is the value of 30 ÷ 12 + 5 − 15 × 5?
Answer and working
Answer B
Replace the signs: 30 × 12 − 5 + 15 ÷ 5. Division and multiplication first, then addition and subtraction: 358.
-
Statements:
(1) Some watches are birds.
(2) All birds are rivers.
(3) No rivers are flowers.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some rivers are not flowers.
(II) All watches are birds.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: some watches may lie outside birds. So: Only conclusion I follows.
-
Pointing to a woman in a photograph, Priya said, ‘She is the only daughter of my father’s mother.’ How is the woman related to Priya?
Answer and working
Answer D
My father’s mother’s only daughter is my father’s sister. So the woman is Priya’s aunt.
-
In a certain code, PAPER is written as QZQDS. How is PENCIL written in that code?
Answer and working
Answer D
From PAPER → QZQDS: letters in odd places move 1 forward, letters in even places move 1 back. Applied to PENCIL: QDOBJK.
Directions for questions 45 to 49
Seven friends, Arun, Bina, Chetan, Divya, Esha, Farhan and Gopal, sit in a row facing north. Exactly 2 people sit between Esha and Chetan. Exactly 5 people sit between Divya and Arun. Exactly 3 people sit between Divya and Esha. Farhan sits somewhere to the right of Divya. Exactly one person sits between Gopal and Esha. Exactly 2 people sit between Bina and Arun.-
Who sits at the extreme left end?
Answer and working
Answer D
Only one order fits every clue, from the left: Divya, Chetan, Gopal, Bina, Esha, Farhan, Arun. Divya.
-
What is Esha’s position from the left end?
Answer and working
Answer A
Only one order fits every clue, from the left: Divya, Chetan, Gopal, Bina, Esha, Farhan, Arun. 5th.
-
Who sits at the extreme right end?
Answer and working
Answer C
Only one order fits every clue, from the left: Divya, Chetan, Gopal, Bina, Esha, Farhan, Arun. Arun.
-
Which pair sits at the two ends of the row?
Answer and working
Answer E
Only one order fits every clue, from the left: Divya, Chetan, Gopal, Bina, Esha, Farhan, Arun. Divya and Arun.
-
Who sits immediately to the right of Chetan?
Answer and working
Answer D
Only one order fits every clue, from the left: Divya, Chetan, Gopal, Bina, Esha, Farhan, Arun. Gopal.
-
Which number replaces the question mark? 29, 32, ?, 47, 59, 74
Answer and working
Answer E
The rule: the differences grow by 3: 3, 6, 9, 12, 15, 18. The missing term is 38.
-
Which one does not belong with the others?
Answer and working
Answer E
125, 216, 1331, 1000 are cubes; 100 is a square, not a cube. The odd one is 100.
-
Sana walks 14 km towards the south. She turns right and walks 15 km. She turns right and walks 6 km. She turns right and walks 10 km. She turns left and walks 12 km. In which direction is she from the starting point?
Answer and working
Answer E
Taking east and north as positive: she ends 5 km west and 4 km north of the start, which is to the North-west.
-
Statements:
(1) Some clouds are trees.
(2) Some papers are clouds.
(3) All papers are buses.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some trees are clouds.
(II) No buses are clouds.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: buses and clouds may overlap. So: Only conclusion I follows.
-
Statements:
(1) All cups are birds.
(2) Some bottles are cups.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) All birds are bottles.
(II) Some cups are birds.Answer and working
Answer B
Conclusion I need not hold: some birds may lie outside bottles. Conclusion II holds in every diagram the statements allow. So: Only conclusion II follows.
-
In the English alphabet, which letter is 6th to the left of the 10th letter from the right?
Answer and working
Answer B
The 10th letter from the right is Q (position 17). 6 places to the left: position 11, which is K.
-
If ‘+’ means ‘÷’, ‘−’ means ‘×’, ‘×’ means ‘−’, ‘÷’ means ‘+’, what is the value of 42 × 8 ÷ 9 − 20 + 2?
Answer and working
Answer B
Replace the signs: 42 − 8 + 9 × 20 ÷ 2. Division and multiplication first, then addition and subtraction: 124.
-
Pointing to a woman in a photograph, Kavita said, ‘She is the only daughter of my father’s mother.’ How is the woman related to Kavita?
Answer and working
Answer C
My father’s mother’s only daughter is my father’s sister. So the woman is Kavita’s aunt.
-
Imran walks 9 km towards the north. He turns left and walks 5 km. He turns left and walks 2 km. He turns right and walks 12 km. He turns left and walks 7 km. How far is he from the starting point in a straight line?
Answer and working
Answer D
Taking east and north as positive: he ends 17 km west and 0 km north of the start. Straight-line distance = √(17² + 0²) = 17 km.
-
Statement: X ≤ P < V ≤ J ≤ T
Conclusions: I. X < J II. V < XAnswer and working
Answer A
X and J: the chain gives X < J, so X < J is definitely true. V and X: the chain gives V > X, so V < X is not definitely true. So: Only conclusion I follows.
-
In the English alphabet, which letter is 4th to the right of the 16th letter from the left?
Answer and working
Answer D
The 16th letter from the left is P (position 16). 4 places to the right: position 20, which is T.
-
Which number replaces the question mark? 37, 50, 65, 82, 101, 122, ?
Answer and working
Answer D
The rule: the terms are 6², 7², 8² … plus 1. The missing term is 145.
-
Statement: U < P > N > V ≥ K
Conclusions: I. K ≤ N II. V < PAnswer and working
Answer E
K and N: the chain gives K < N, so K ≤ N is definitely true. V and P: the chain gives V < P, so V < P is definitely true. So: Both conclusions follow.
-
Pooja walks 12 km towards the west. She turns left and walks 7 km. She turns right and walks 12 km. How far is she from the starting point in a straight line?
Answer and working
Answer C
Taking east and north as positive: she ends 24 km west and 7 km south of the start. Straight-line distance = √(24² + 7²) = 25 km.
-
Statement: K ≤ V ≥ Y ≥ W ≥ M
Conclusions: I. W > K II. V ≥ MAnswer and working
Answer B
W and K: the signs between them point both ways, so no relation can be fixed, so W > K is not definitely true. V and M: the chain gives V ≥ M, so V ≥ M is definitely true. So: Only conclusion II follows.
-
In a certain code, PLANT is written as VPCNR. How is SILVER written in that code?
Answer and working
Answer C
From PLANT → VPCNR: the word is written backwards and each letter moves 2 forward. Applied to SILVER: TGXNKU.
Part CQuantitative Aptitude
-
What is the compound interest on ₹29,375 for 2 years at 4% per annum, compounded annually?
Answer and working
Answer B
Amount = 29,375 × (1 + 4/100)2 = ₹31,772. CI = 31,772 − 29,375 = ₹2,397.
-
The price of a cooler goes from ₹120 to ₹156. What is the percentage increase?
Answer and working
Answer C
Change = ₹36. On the original value: 36 ÷ 120 × 100 = 30%, a 30% increase. Dividing by the new value, 156, is the usual slip.
-
A school’s enrolment goes from 100 to 130. What is the percentage increase?
Answer and working
Answer C
Change = 30. On the original value: 30 ÷ 100 × 100 = 30%, a 30% increase. Dividing by the new value, 130, is the usual slip.
-
Solve both equations and compare x and y.
I. x² + 8x = 0
II. y² − 2y − 8 = 0Answer and working
Answer E
I gives x = −8 or 0. II gives y = −2 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.
-
Solve both equations and compare x and y.
I. x² + 15x + 56 = 0
II. y² + 7y + 6 = 0Answer and working
Answer C
I gives x = −8 or −7. II gives y = −6 or −1. Every x is smaller than every y: x < y.
-
Solve both equations and compare x and y.
I. x² − 4x = 0
II. y² + 5y + 6 = 0Answer and working
Answer A
I gives x = 0 or 4. II gives y = −3 or −2. Every x is greater than every y: x > y.
-
What is the value of 92² − 23²?
Answer and working
Answer C
a² − b² = (a + b)(a − b) = 115 × 69 = 7,935.
-
Simplify: 51 + 5 × 2 − 32 ÷ 8
Answer and working
Answer B
Division and multiplication first: 5 × 2 = 10 and 32 ÷ 8 = 4. Then 51 + 10 − 4 = 57.
-
A bag holds 7 red, 2 blue and 4 green balls. Two balls are drawn at random without replacement. What is the probability that both are red?
Answer and working
Answer C
Ways to pick 2 red: 21. Ways to pick any 2: 78. Probability = 7⁄26.
-
Solve both equations and compare x and y.
I. x² − 3x − 70 = 0
II. y² − 5y − 84 = 0Answer and working
Answer E
I gives x = −7 or 10. II gives y = −7 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.
-
Which number replaces the question mark? 21, 26, 33, 42, 53, 66, ?
Answer and working
Answer D
The rule: the differences grow by 2: 5, 7, 9, 11, 13, 15. The missing term is 81.
-
The incomes of P and Q are in the ratio 4 : 9 and their expenditures are in the ratio 5 : 12. If each saves ₹4,500 a month, what is P’s monthly income?
Answer and working
Answer C
Incomes 4x and 9x. (4x − 4,500) : (9x − 4,500) = 5 : 12 gives x = 10,500. P’s income = 4 × 10,500 = ₹42,000.
-
Simplify: 13 + 10 × 8 − 30 ÷ 3
Answer and working
Answer A
Division and multiplication first: 10 × 8 = 80 and 30 ÷ 3 = 10. Then 13 + 80 − 10 = 83.
-
Which number replaces the question mark? 4, 15, 48, 147, 444, 1,335, ?
Answer and working
Answer D
The rule: each term is the previous × 3 + 3. The missing term is 4,008.
-
The simple interest on a sum for 3 years at 9% per annum is ₹7,830. What is the sum?
Answer and working
Answer E
P = SI × 100 / (R × T) = 7,830 × 100 / (9 × 3) = ₹29,000.
-
A shopkeeper marks his goods 20% above the cost price and allows a discount of 30%. What is his profit or loss percent?
Answer and working
Answer B
Take CP = 100. Marked price = 120. After 30% off: 120 × 70/100 = 84. So 16% loss.
-
By selling a watch for ₹1,140, a man loses 5%. For how much should he sell it to gain 25%?
Answer and working
Answer E
CP = 1,140 × 100/95 = ₹1,200. For a 25% gain: 1,200 × 125/100 = ₹1,500.
-
A train 350 m long crosses a platform 100 m long in 45 seconds. What is the speed of the train?
Answer and working
Answer A
It must cover its own length and the platform: 350 + 100 = 450 m in 45 s, so 10 m/s = 10 × 18/5 = 36 km/h.
-
Which number replaces the question mark? 125, 216, 343, 512, 729, ?
Answer and working
Answer A
The rule: the terms are 5³, 6³, 7³ …. The missing term is 1,000.
-
What is the average of 35, 37, 41, 30, 59, 24 and 26?
Answer and working
Answer E
Sum = 252. Average = 252 ÷ 7 = 36.
-
What is √841 + √169 − √784?
Answer and working
Answer E
29 + 13 − 28 = 14.
Directions for questions 87 to 91
Study the table and answer the questions that follow.
Bicycles sold by five shops, in two successive years Shop Year 1 Year 2 Shop P 660 990 Shop Q 200 230 Shop R 660 858 Shop S 340 306 Shop T 200 240 -
By what percent did Shop Q’s figure change from Year 1 to Year 2?
Answer and working
Answer E
Change = 230 − 200 = 30. On Year 1: 30 ÷ 200 × 100 = 15% increase.
-
Which one grew the most in percentage terms from Year 1 to Year 2?
Answer and working
Answer B
Growth: Shop P 50%, Shop Q 15%, Shop R 30%, Shop S −10%, Shop T 20%. The highest is Shop P.
-
What is the total for Shop Q over the two years?
Answer and working
Answer B
200 + 230 = 430.
-
What is the ratio of Shop T’s Year 1 figure to Shop P’s Year 2 figure?
Answer and working
Answer C
200 : 990 = 20 : 99.
-
What is the average Year 2 figure of the five?
Answer and working
Answer E
Sum of Year 2 = 2,624. ÷ 5 = 524.8.
-
Solve both equations and compare x and y.
I. x² − 8x + 7 = 0
II. y² − 14y + 45 = 0Answer and working
Answer E
I gives x = 1 or 7. II gives y = 5 or 9. Some x are bigger and some smaller than some y, so no single relation holds: x = y or no relation can be established.
-
A is twice as efficient as B. Together they finish a job in 18 days. How long would A take alone?
Answer and working
Answer D
If B does 1 unit a day, A does 2; together 3 units a day for 18 days = 54 units. A alone: 54 ÷ 2 = 27 days.
-
Two trains 130 m and 170 m long run on parallel tracks in opposite directions at 66 km/h and 42 km/h. How long do they take to cross each other?
Answer and working
Answer D
Relative speed = 66 + 42 = 108 km/h = 30 m/s. Distance = 130 + 170 = 300 m. Time = 300 ÷ 30 = 10 seconds.
-
Which number replaces the question mark? 8, 24, 72, 216, 648, ?
Answer and working
Answer C
The rule: each term is the previous × 3. The missing term is 1,944.
-
16 litres of a mixture contains milk and water in the ratio 7 : 1. How much water must be added to make the ratio 2 : 3?
Answer and working
Answer C
Milk = 14 l, water = 2 l. For 2 : 3, water must be 14 × 3/2 = 21 l. Add 21 − 2 = 19 litres.
-
What is the value of 80² − 41²?
Answer and working
Answer A
a² − b² = (a + b)(a − b) = 121 × 39 = 4,719.
-
A boat covers 60 km downstream in 3 hours and 48 km upstream in 4 hours. What is the speed of the boat in still water?
Answer and working
Answer C
Downstream speed = 60 ÷ 3 = 20 km/h; upstream = 48 ÷ 4 = 12 km/h. Boat = (20 + 12) ÷ 2 = 16 km/h.
-
The present ages of Asha and her elder brother are in the ratio 3 : 4. After 3 years, the ratio will be 4 : 5. What is Asha’s present age?
Answer and working
Answer E
Ages 3x and 4x. (3x + 3) : (4x + 3) = 4 : 5 gives x = 3. Asha is 3 × 3 = 9 years.
-
Which number replaces the question mark? 5, 7, 11, 13, 17, 19, ?
Answer and working
Answer E
The rule: consecutive prime numbers. The missing term is 23.