- Test booklet
- प्रश्न पुस्तिका
- Booklet No.
- 1153133
- Series
- A
RBI Assistant Prelims Paper 4
- Questions
- 100
- Maximum marks
- 100
- Minutes allowed
- 60
Instructions निर्देश
- This booklet has 100 questions in 3 parts: A. English Language (30), B. Numerical Ability (35), C. Reasoning Ability (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 closest in meaning to the given word.
QuestAnswer and working
Answer C
Quest (noun) and Pursuit share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
SanctifyAnswer and working
Answer A
Sanctify (verb) and Hallow share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the correctly spelt word.
Answer and working
Answer A
The correct spelling is merriment.
-
Select the one word that can replace the given group of words.
A person who enjoys taking risksAnswer and working
-
Select the word closest in meaning to the given word.
DraftyAnswer and working
Answer B
Drafty (adjective) and Draughty 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 elliptical.
-
Select the correctly spelt word.
Answer and working
Answer D
The correct spelling is bribery.
-
Select the word opposite in meaning to the given word.
AffirmativeAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer E
The correct spelling is avoidance.
-
Select the word opposite in meaning to the given word.
OptimismAnswer and working
-
Select the word closest in meaning to the given word.
InaneAnswer and working
Answer C
Inane (adjective) and Asinine share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word opposite in meaning to the given word.
DomesticAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer A
The correct spelling is generalissimo.
-
Select the one word that can replace the given group of words.
An associate who shares an apartment with youAnswer and working
-
Select the incorrectly spelt word.
Answer and working
Answer C
annihilattion is wrong; it is spelt annihilation. The others are correct.
-
Select the word closest in meaning to the given word.
TotalityAnswer and working
Answer C
Totality (noun) and Entirety share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word opposite in meaning to the given word.
SpecialistAnswer and working
-
Select the word closest in meaning to the given word.
HuffyAnswer and working
Answer C
Huffy (adjective) and Touchy 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 nation's ruler or head of state usually by hereditary rightAnswer and working
-
Select the one word that can replace the given group of words.
Someone who censures or condemnsAnswer and working
-
Select the one word that can replace the given group of words.
A cruel and oppressive dictatorAnswer and working
-
Select the one word that can replace the given group of words.
A waiter who manages wine service in a hotel or restaurantAnswer and working
-
Select the incorrectly spelt word.
Answer and working
Answer D
acelerator is wrong; it is spelt accelerator. The others are correct.
-
Select the word opposite in meaning to the given word.
LivelyAnswer and working
-
Select the word opposite in meaning to the given word.
AltruismAnswer and working
-
Select the word closest in meaning to the given word.
VapidAnswer and working
Answer A
Vapid (adjective) and Bland share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
OrnateAnswer and working
Answer B
Ornate (adjective) and Flowery 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 addictive.
-
Select the incorrectly spelt word.
Answer and working
Answer A
attitudde is wrong; it is spelt attitude. The others are correct.
-
Select the word closest in meaning to the given word.
QuarrelAnswer and working
Answer C
Quarrel (verb) and Scrap share their main meaning. None of the other options does.
Source: WordNet 3.1
Part BNumerical Ability
-
Find the wrong number in the series: 9, 30, 90, 282, 849, 2,550, 7,653
Answer and working
Answer B
The rule: each term is the previous × 3 + 3. The term in place of 90 should be 93, so the wrong number is 90.
-
81 litres of a mixture contains milk and water in the ratio 7 : 2. How much water must be added to make the ratio 1 : 1?
Answer and working
Answer E
Milk = 63 l, water = 18 l. For 1 : 1, water must be 63 × 1/1 = 63 l. Add 63 − 18 = 45 litres.
-
A bus goes from Pune to Nashik at 24 km/h and returns by the same road at 72 km/h. What is its average speed for the whole journey?
Answer and working
Answer B
For equal distances, average speed = 2xy/(x + y) = 2 × 24 × 72 ÷ 96 = 36 km/h. The plain average, 48, ignores that the slower leg takes longer.
-
A train 200 m long passes a signal post in 5 seconds. What is its speed in km/h?
Answer and working
Answer E
Speed = 200 ÷ 5 = 40 m/s = 40 × 18/5 = 144 km/h.
Directions for questions 35 to 39
Study the table and answer the questions that follow.
Books issued by five libraries, in two successive years Library Year 1 Year 2 Library A 600 690 Library B 440 550 Library C 520 546 Library D 400 420 Library E 460 644 -
Library D’s Year 2 figure is what percent of Library C’s Year 2 figure?
Answer and working
Answer E
420 ÷ 546 × 100 = 76.92%.
-
By what percent did Library C’s figure change from Year 1 to Year 2?
Answer and working
Answer A
Change = 546 − 520 = 26. On Year 1: 26 ÷ 520 × 100 = 5% increase.
-
Which one grew the most in percentage terms from Year 1 to Year 2?
Answer and working
Answer B
Growth: Library A 15%, Library B 25%, Library C 5%, Library D 5%, Library E 40%. The highest is Library E.
-
What is the average Year 2 figure of the five?
Answer and working
Answer B
Sum of Year 2 = 2,850. ÷ 5 = 570.
-
What is the ratio of Library A’s Year 1 figure to Library B’s Year 2 figure?
Answer and working
Answer D
600 : 550 = 12 : 11.
-
The price of a cooler goes from ₹500 to ₹875. What is the percentage increase?
Answer and working
Answer D
Change = ₹375. On the original value: 375 ÷ 500 × 100 = 75%, a 75% increase. Dividing by the new value, 875, is the usual slip.
-
What is the value of 71² − 31²?
Answer and working
Answer C
a² − b² = (a + b)(a − b) = 102 × 40 = 4,080.
-
Three fair coins are tossed. What is the probability of getting all heads or all tails?
Answer and working
Answer C
Of the 8 equally likely outcomes, 2 qualify. Probability = 1⁄4.
-
An article bought for ₹2,075 is sold at a profit of 20%. What is its selling price?
Answer and working
Answer A
SP = CP × (100 + profit%)/100 = 2,075 × 120/100 = ₹2,490.
-
Solve both equations and compare x and y.
I. x² − 64 = 0
II. y² + 5y + 4 = 0Answer and working
Answer E
I gives x = −8 or 8. 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.
-
A boat covers 40 km downstream in 2 hours and 64 km upstream in 4 hours. What is the speed of the stream?
Answer and working
Answer A
Downstream speed = 40 ÷ 2 = 20 km/h; upstream = 64 ÷ 4 = 16 km/h. Stream = (20 − 16) ÷ 2 = 2 km/h.
-
A is twice as efficient as B. Together they finish a job in 10 days. How long would A take alone?
Answer and working
Answer B
If B does 1 unit a day, A does 2; together 3 units a day for 10 days = 30 units. A alone: 30 ÷ 2 = 15 days.
-
Find the wrong number in the series: 4, 40, 10, 35, 19, 30, 22, 25
Answer and working
Answer A
The rule: two series alternate: 4, 10, 16 … rising by 6, and 40, 35, 30 … falling by 5. The term in place of 19 should be 16, so the wrong number is 19.
-
Which number replaces the question mark? 1, 3, 9, 27, 81, ?
Answer and working
Answer E
The rule: each term is the previous × 3. The missing term is 243.
-
A number is first increased by 30% and then decreased by 25%. What is the net change?
Answer and working
Answer A
Net effect = 30 − 25 − (30 × 25)/100 = −2.5%, so 2.5% decrease.
-
Simplify: 77 + 7 × 6 − 25 ÷ 5
Answer and working
Answer B
Division and multiplication first: 7 × 6 = 42 and 25 ÷ 5 = 5. Then 77 + 42 − 5 = 114.
-
What is √289 + √529 − √484?
Answer and working
Answer D
17 + 23 − 22 = 18.
-
What is the compound interest on ₹67,900 for 2 years at 20% per annum, compounded annually?
Answer and working
Answer E
Amount = 67,900 × (1 + 20/100)2 = ₹97,776. CI = 97,776 − 67,900 = ₹29,876.
-
Find the wrong number in the series: 1, 5, 14, 30, 55, 103, 140
Answer and working
Answer D
The rule: the differences are squares: 4, 9, 16, 25, 36, 49. The term in place of 103 should be 91, so the wrong number is 103.
-
Solve both equations and compare x and y.
I. x² − 13x + 12 = 0
II. y² − 6y − 27 = 0Answer and working
Answer E
I gives x = 1 or 12. II gives y = −3 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.
-
What is the fourth proportional to 14, 27 and 280?
Answer and working
Answer B
14 : 27 = 280 : x, so x = 27 × 280 ÷ 14 = 540.
-
Which number replaces the question mark? 5, 9, 18, 34, 59, 95, ?
Answer and working
Answer E
The rule: the differences are squares: 4, 9, 16, 25, 36, 49. The missing term is 144.
-
The present ages of Asha and her elder brother are in the ratio 4 : 7. After 4 years, the ratio will be 2 : 3. What is Asha’s present age?
Answer and working
Answer E
Ages 4x and 7x. (4x + 4) : (7x + 4) = 2 : 3 gives x = 2. Asha is 4 × 2 = 8 years.
-
Solve both equations and compare x and y.
I. x² + 14x + 48 = 0
II. y² + 5y − 36 = 0Answer and working
Answer E
I gives x = −8 or −6. 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.
-
What is the value of 67² − 53²?
Answer and working
Answer A
a² − b² = (a + b)(a − b) = 120 × 14 = 1,680.
-
What is the value of 59² − 30²?
Answer and working
Answer B
a² − b² = (a + b)(a − b) = 89 × 29 = 2,581.
-
A shopkeeper marks his goods 25% above the cost price and allows a discount of 15%. What is his profit or loss percent?
Answer and working
Answer E
Take CP = 100. Marked price = 125. After 15% off: 125 × 85/100 = 106.25. So 6.25% profit.
-
The simple interest on a sum for 3 years at 7% per annum is ₹5,565. What is the sum?
Answer and working
Answer B
P = SI × 100 / (R × T) = 5,565 × 100 / (7 × 3) = ₹26,500.
-
Solve both equations and compare x and y.
I. x² − 8x + 7 = 0
II. y² − 4 = 0Answer and working
Answer E
I gives x = 1 or 7. II gives y = −2 or 2. 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 average of 52, 70, 75, 80, 21 and 86?
Answer and working
Answer A
Sum = 384. Average = 384 ÷ 6 = 64.
-
Solve both equations and compare x and y.
I. x² − 19x + 88 = 0
II. y² + 17y + 72 = 0Answer and working
Answer A
I gives x = 8 or 11. II gives y = −9 or −8. Every x is greater than every y: x > y.
Part CReasoning Ability
-
Statements:
(1) Some doors are stones.
(2) No buses are doors.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some stones are doors.
(II) All doors are buses.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: some doors may lie outside buses. So: Only conclusion I follows.
-
In the English alphabet, which letter is 8th to the right of the 7th letter from the left?
Answer and working
Answer C
The 7th letter from the left is G (position 7). 8 places to the right: position 15, which is O.
-
Statements:
(1) Some bags are papers.
(2) No bags are rivers.
(3) No clouds are rivers.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) No rivers are bags.
(II) Some rivers are not bags.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.
-
If ‘+’ means ‘÷’, ‘−’ means ‘×’, ‘×’ means ‘−’, ‘÷’ means ‘+’, what is the value of 20 − 9 + 10 ÷ 20 × 11?
Answer and working
Answer E
Replace the signs: 20 × 9 ÷ 10 + 20 − 11. Division and multiplication first, then addition and subtraction: 27.
-
Statement: H = U ≥ Q < X ≥ G
Conclusions: I. H > Q II. H = QAnswer and working
Answer C
H and Q: the chain gives H ≥ Q, so H > Q is not definitely true. H and Q: the chain gives H ≥ Q, so H = Q is not definitely true. Together the two cover every possibility the chain allows. So: Either conclusion I or II follows.
-
In a certain code, TIGER is written as UJHFS. How is BRIDGE written in that code?
Answer and working
Answer D
From TIGER → UJHFS: each letter moves 1 place forward. Applied to BRIDGE: CSJEHF.
-
In a queue, Lata is 10th from the front and Sohan is 21st from the front. How many people stand between them?
Answer and working
Answer C
Between positions 10 and 21 there are 21 − 10 − 1 = 10 people.
-
In a certain code, STAR is written as 62. How is ROAD written in that code?
Answer and working
Answer D
STAR = 62 is the sum of (position + 1) for each letter. For ROAD: 19 + 16 + 2 + 5 = 42.
-
Statements:
(1) Some bottles are watches.
(2) Some pens are not bottles.
(3) All pens are planes.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some planes are pens.
(II) No planes are pens.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: planes and pens may overlap. So: Only conclusion I follows.
-
In a queue, Kabir is 5th from the front and Sohan is 17th from the front. How many people stand between them?
Answer and working
Answer A
Between positions 5 and 17 there are 17 − 5 − 1 = 11 people.
-
Which number replaces the question mark? 15, 30, 21, 28, 27, 26, 33, ?
Answer and working
Answer B
The rule: two series alternate: 15, 21, 27 … rising by 6, and 30, 28, 26 … falling by 2. The missing term is 24.
-
Which number replaces the question mark? 17, 21, 28, 38, 51, 67, ?
Answer and working
Answer B
The rule: the differences grow by 3: 4, 7, 10, 13, 16, 19. The missing term is 86.
-
If ‘+’ means ‘−’, ‘−’ means ‘÷’, ‘×’ means ‘+’, ‘÷’ means ‘×’, what is the value of 4 + 10 − 10 × 18 ÷ 6?
Answer and working
Answer A
Replace the signs: 4 − 10 ÷ 10 + 18 × 6. Division and multiplication first, then addition and subtraction: 111.
-
F is the father of W. B is the sister of F. How is B related to W?
Answer and working
Answer C
Follow the links out from W: F is W’s father; B is F’s sister. So B is W’s aunt.
-
Statement: T ≥ R = E > A > V
Conclusions: I. E > V II. E ≤ TAnswer and working
Answer E
E and V: the chain gives E > V, so E > V is definitely true. E and T: the chain gives E ≤ T, so E ≤ T is definitely true. So: Both conclusions follow.
-
Imran walks 15 km towards the south. He turns left and walks 10 km. He turns left and walks 6 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 12 km east and 9 km south of the start. Straight-line distance = √(12² + 9²) = 15 km.
-
Statement: T ≥ E ≥ Q < H < Z
Conclusions: I. Z ≥ Q II. E = ZAnswer and working
Answer A
Z and Q: the chain gives Z > Q, so Z ≥ Q is definitely true. E and Z: the signs between them point both ways, so no relation can be fixed, so E = Z is not definitely true. So: Only conclusion I follows.
-
Statements:
(1) No clocks are phones.
(2) Some clocks are fans.
(3) No fans are bottles.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some fans are clocks.
(II) Some phones are not fans.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: every one of the phones may be fans. So: Only conclusion I follows.
-
In the English alphabet, which letter is 3rd to the right of the 8th letter from the left?
Answer and working
Answer E
The 8th letter from the left is H (position 8). 3 places to the right: position 11, which is K.
-
Statements:
(1) All lamps are rivers.
(2) All pens are rivers.
(3) All kites are pens.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some pens are kites.
(II) Some lamps are rivers.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.
-
Arun walks 6 km towards the north. He turns left and walks 9 km. He turns left and walks 6 km. He turns right and walks 9 km. He turns right and walks 10 km. In which direction is he from the starting point?
Answer and working
Answer A
Taking east and north as positive: he ends 18 km west and 10 km north of the start, which is to the North-west.
-
Statement: M = G = V ≥ T ≤ K
Conclusions: I. M = K II. M ≥ TAnswer and working
Answer B
M and K: the signs between them point both ways, so no relation can be fixed, so M = K is not definitely true. M and T: the chain gives M ≥ T, so M ≥ T is definitely true. So: Only conclusion II follows.
-
Which one does not belong with the others?
Answer and working
Answer D
1331, 1000, 216, 27 are cubes; 196 is a square, not a cube. The odd one is 196.
-
P is the sister of H. B is the husband of P. How is B related to H?
Answer and working
Answer A
Follow the links out from H: P is H’s sister; B is P’s husband. So B is H’s brother-in-law.
Directions for questions 90 to 94
Six friends, Arun, Bina, Chetan, Divya, Esha and Farhan, sit in a row facing north. Divya sits immediately to the left of Farhan. Divya does not sit at either end. Chetan does not sit next to Divya. Exactly one person sits between Chetan and Farhan. Esha sits second to the left of Bina.-
Who sits second to the right of Divya?
Answer and working
Answer B
Only one order fits every clue, from the left: Arun, Divya, Farhan, Esha, Chetan, Bina. Esha.
-
Who sits at the extreme left end?
Answer and working
Answer A
Only one order fits every clue, from the left: Arun, Divya, Farhan, Esha, Chetan, Bina. Arun.
-
How many people sit between Chetan and Farhan?
Answer and working
Answer A
Only one order fits every clue, from the left: Arun, Divya, Farhan, Esha, Chetan, 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: Arun, Divya, Farhan, Esha, Chetan, Bina. Arun and Bina.
-
What is Bina’s position from the left end?
Answer and working
Answer C
Only one order fits every clue, from the left: Arun, Divya, Farhan, Esha, Chetan, Bina. 6th.
-
In a certain code, BOOK is written as ANNJ. How is RIVER written in that code?
Answer and working
Answer A
From BOOK → ANNJ: each letter moves 1 place back. Applied to RIVER: QHUDQ.
-
In a certain code, CHALK is written as XSZOP. How is RAIN written in that code?
Answer and working
Answer A
From CHALK → XSZOP: each letter is replaced by its opposite in the alphabet (A ↔ Z, B ↔ Y …). Applied to RAIN: IZRM.
-
Pointing to a man in a photograph, Farah said, ‘He is the only son of my mother’s father.’ How is the man related to Farah?
Answer and working
Answer D
The only son of my mother’s father is my mother’s brother. So the man is Farah’s uncle.
-
Tarun walks 7 km towards the east. He turns right and walks 4 km. He turns right and walks 10 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 3 km west and 4 km south of the start. Distance = √(3² + 4²) = 5 km. 5 km, south-west.
-
Statement: Y ≤ J < Z < W ≥ E
Conclusions: I. Z > Y II. E < YAnswer and working
Answer A
Z and Y: the chain gives Z > Y, so Z > Y is definitely true. E and Y: the signs between them point both ways, so no relation can be fixed, so E < Y is not definitely true. So: Only conclusion I follows.
-
Statements:
(1) No leaves are cups.
(2) No books are leaves.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some leaves are not cups.
(II) No leaves are books.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.