- Test booklet
- प्रश्न पुस्तिका
- Booklet No.
- 3589988
- Series
- B
RBI Assistant 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. 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 one word that can replace the given group of words.
Someone who exhibits great independence in thought and actionAnswer and working
-
Select the word closest in meaning to the given word.
PestilenceAnswer and working
Answer C
Pestilence (noun) and Plague share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
BonyAnswer and working
Answer D
Bony (adjective) and Skinny share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word opposite in meaning to the given word.
LatterAnswer and working
-
Select the word closest in meaning to the given word.
ChitchatAnswer and working
Answer B
Chitchat (verb) and Chat share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
HecticAnswer and working
Answer D
Hectic (adjective) and Feverish share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
SpeedyAnswer and working
Answer A
Speedy (adjective) and Rapid share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
MoroseAnswer and working
Answer C
Morose (adjective) and Glum share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
GaietyAnswer and working
Answer A
Gaiety (noun) and Merriment share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the incorrectly spelt word.
Answer and working
Answer D
assurince is wrong; it is spelt assurance. The others are correct.
-
Select the word opposite in meaning to the given word.
CourageAnswer and working
-
Select the one word that can replace the given group of words.
A woman skilled in aiding the delivery of babiesAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer A
The correct spelling is emitter.
-
Select the one word that can replace the given group of words.
A student who attains higher standards than the IQ indicatedAnswer and working
Answer C
Overachiever: a student who attains higher standards than the IQ indicated.
Source: WordNet 3.1
-
Select the word opposite in meaning to the given word.
PersuasionAnswer and working
-
Select the one word that can replace the given group of words.
Laborer who works in a mineAnswer and working
-
Select the incorrectly spelt word.
Answer and working
Answer A
intollerance is wrong; it is spelt intolerance. The others are correct.
-
Select the correctly spelt word.
Answer and working
Answer A
The correct spelling is allegiance.
-
Select the correctly spelt word.
Answer and working
Answer B
The correct spelling is eloquence.
-
Select the correctly spelt word.
Answer and working
Answer E
The correct spelling is barricade.
-
Select the word opposite in meaning to the given word.
EqualAnswer and working
-
Select the word opposite in meaning to the given word.
OptimistAnswer and working
-
Select the word opposite in meaning to the given word.
UpstairsAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer D
The correct spelling is periodically.
-
Select the correctly spelt word.
Answer and working
Answer D
The correct spelling is intermittent.
-
Select the one word that can replace the given group of words.
A man whose wife committed adulteryAnswer and working
-
Select the one word that can replace the given group of words.
Someone who drives a truck as an occupationAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer C
The correct spelling is relevance.
-
Select the word closest in meaning to the given word.
VindictiveAnswer and working
Answer C
Vindictive (adjective) and Vengeful share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
ExpectancyAnswer and working
Answer D
Expectancy (noun) and Anticipation share their main meaning. None of the other options does.
Source: WordNet 3.1
Part BNumerical Ability
-
33 litres of a mixture contains milk and water in the ratio 7 : 4. How much water must be added to make the ratio 3 : 4?
Answer and working
Answer A
Milk = 21 l, water = 12 l. For 3 : 4, water must be 21 × 4/3 = 28 l. Add 28 − 12 = 16 litres.
-
An article bought for ₹700 is sold at a profit of 10%. What is its selling price?
Answer and working
Answer D
SP = CP × (100 + profit%)/100 = 700 × 110/100 = ₹770.
-
Find the wrong number in the series: 6, 63, 8, 57, 16, 51, 21, 45
Answer and working
Answer E
The rule: two series alternate: 6, 11, 16 … rising by 5, and 63, 57, 51 … falling by 6. The term in place of 8 should be 11, so the wrong number is 8.
-
Solve both equations and compare x and y.
I. x² + 12x + 35 = 0
II. y² − 4y − 60 = 0Answer and working
Answer E
I gives x = −7 or −5. II gives y = −6 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 + x − 42 = 0
II. y² − 4y − 32 = 0Answer and working
Answer E
I gives x = −7 or 6. II gives y = −4 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.
-
What is the difference between the compound interest and the simple interest on ₹31,200 for 2 years at 5% per annum?
Answer and working
Answer E
For 2 years, CI − SI = P × (R/100)² = 31,200 × (5/100)² = ₹78.
-
The present ages of Asha and her elder brother are in the ratio 5 : 6. After 9 years, the ratio will be 8 : 9. What is Asha’s present age?
Answer and working
Answer A
Ages 5x and 6x. (5x + 9) : (6x + 9) = 8 : 9 gives x = 3. Asha is 5 × 3 = 15 years.
-
A boat covers 42 km downstream in 3 hours and 16 km upstream in 4 hours. What is the speed of the boat in still water?
Answer and working
Answer D
Downstream speed = 42 ÷ 3 = 14 km/h; upstream = 16 ÷ 4 = 4 km/h. Boat = (14 + 4) ÷ 2 = 9 km/h.
-
By selling a watch for ₹1,235, a man loses 5%. For how much should he sell it to gain 12%?
Answer and working
Answer B
CP = 1,235 × 100/95 = ₹1,300. For a 12% gain: 1,300 × 112/100 = ₹1,456.
-
180 is what percent of 1,440?
Answer and working
Answer B
180 ÷ 1,440 × 100 = 12.5%.
-
A train 110 m long crosses a platform 310 m long in 21 seconds. What is the speed of the train?
Answer and working
Answer A
It must cover its own length and the platform: 110 + 310 = 420 m in 21 s, so 20 m/s = 20 × 18/5 = 72 km/h.
-
What is 25% of 820?
Answer and working
Answer C
25% of 820 = 820 × 25/100 = 205.
Directions for questions 43 to 47
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 800 1,000 Plant K 340 442 Plant L 400 460 Plant M 680 952 Plant N 780 1,170 -
Plant N’s Year 2 figure is what percent of Plant L’s Year 2 figure?
Answer and working
Answer A
1,170 ÷ 460 × 100 = 254.35%.
-
What is the total for Plant K over the two years?
Answer and working
Answer A
340 + 442 = 782.
-
What is the ratio of Plant N’s Year 1 figure to Plant L’s Year 2 figure?
Answer and working
Answer D
780 : 460 = 39 : 23.
-
What is the average Year 2 figure of the five?
Answer and working
Answer C
Sum of Year 2 = 4,024. ÷ 5 = 804.8.
-
Which one grew the most in percentage terms from Year 1 to Year 2?
Answer and working
Answer B
Growth: Plant J 25%, Plant K 30%, Plant L 15%, Plant M 40%, Plant N 50%. The highest is Plant N.
-
Which number replaces the question mark? 2, 6, 14, 30, 62, 126, ?
Answer and working
Answer E
The rule: each term is the previous × 2 + 2. The missing term is 254.
-
What is the average of 99, 84, 23, 61, 74, 50 and 92?
Answer and working
Answer E
Sum = 483. Average = 483 ÷ 7 = 69.
-
What is the simple interest on ₹3,000 at 10% per annum for 5 years?
Answer and working
Answer D
SI = P × R × T / 100 = 3,000 × 10 × 5 / 100 = ₹1,500.
-
If A : B = 3 : 8 and B : C = 9 : 4, what is A : B : C?
Answer and working
Answer B
Make B the same in both: A : B = 27 : 72 and B : C = 72 : 32. So A : B : C = 27 : 72 : 32.
-
Which number replaces the question mark? 8, 16, 32, 64, 128, ?
Answer and working
Answer A
The rule: each term is the previous × 2. The missing term is 256.
-
Simplify: 4⁄5 + 2⁄3 + 1⁄2
Answer and working
Answer C
Over the common denominator 30: the sum is 59⁄30. Adding tops and bottoms separately (9/14) is the trap.
-
One card is drawn at random from a well-shuffled pack of 52. What is the probability that it is a black card?
Answer and working
Answer A
26 of the 52 cards qualify. Probability = 1⁄2.
-
A train 280 m long passes a signal post in 28 seconds. What is its speed in km/h?
Answer and working
Answer C
Speed = 280 ÷ 28 = 10 m/s = 10 × 18/5 = 36 km/h.
-
Which number replaces the question mark? 64, 125, ?, 343, 512, 729
Answer and working
Answer E
The rule: the terms are 4³, 5³, 6³ …. The missing term is 216.
-
What is the value of 93² − 14²?
Answer and working
Answer A
a² − b² = (a + b)(a − b) = 107 × 79 = 8,453.
-
What is √400 + √529 − √841?
Answer and working
Answer D
20 + 23 − 29 = 14.
-
Solve both equations and compare x and y.
I. x² + 14x + 45 = 0
II. y² + 5y − 6 = 0Answer and working
Answer E
I gives x = −9 or −5. II gives y = −6 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 is three times as efficient as B. Together they finish a job in 9 days. How long would A take alone?
Answer and working
Answer C
If B does 1 unit a day, A does 3; together 4 units a day for 9 days = 36 units. A alone: 36 ÷ 3 = 12 days.
-
What is √576 + √841 − √729?
Answer and working
Answer D
24 + 29 − 27 = 26.
-
Which number replaces the question mark? 20, 22, 28, 38, 52, 70, ?
Answer and working
Answer C
The rule: the differences grow by 4: 2, 6, 10, 14, 18, 22. The missing term is 92.
-
Simplify: 1⁄4 + 3⁄10 + 2⁄3
Answer and working
Answer D
Over the common denominator 60: the sum is 73⁄60. Adding tops and bottoms separately (6/17) is the trap.
-
Solve both equations and compare x and y.
I. x² + 9x + 14 = 0
II. y² − 18y + 77 = 0Answer and working
Answer C
I gives x = −7 or −2. II gives y = 7 or 11. Every x is smaller than every y: x < y.
-
Solve both equations and compare x and y.
I. x² + 8x = 0
II. y² − 7y − 44 = 0Answer and working
Answer E
I gives x = −8 or 0. II gives y = −4 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.
Part CReasoning Ability
-
Sana walks 8 km towards the north. She turns right and walks 4 km. She turns right and walks 8 km. How far is she from the starting point in a straight line?
Answer and working
Answer D
Taking east and north as positive: she ends 4 km east and 0 km north of the start. Straight-line distance = √(4² + 0²) = 4 km.
-
Statement: T > B ≤ Y ≤ H ≤ R
Conclusions: I. T = H II. R ≥ BAnswer and working
Answer B
T and H: the signs between them point both ways, so no relation can be fixed, so T = H is not definitely true. R and B: the chain gives R ≥ B, so R ≥ B is definitely true. So: Only conclusion II follows.
-
Statement: Y > J ≤ B = W > X
Conclusions: I. X < B II. J ≤ WAnswer and working
Answer E
X and B: the chain gives X < B, so X < B is definitely true. J and W: the chain gives J ≤ W, so J ≤ W is definitely true. So: Both conclusions follow.
-
Statements:
(1) All papers are coins.
(2) All coins are kites.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some kites are papers.
(II) Some kites are coins.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 shirts are stones.
(2) No stones are books.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some shirts are not books.
(II) No shirts 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.
-
In the English alphabet, which letter is 3rd to the right of the 19th letter from the right?
Answer and working
Answer A
The 19th letter from the right is H (position 8). 3 places to the right: position 11, which is K.
-
If ‘+’ means ‘−’, ‘−’ means ‘×’, ‘×’ means ‘÷’, ‘÷’ means ‘+’, what is the value of 28 − 10 + 9 ÷ 4 × 4?
Answer and working
Answer C
Replace the signs: 28 × 10 − 9 + 4 ÷ 4. Division and multiplication first, then addition and subtraction: 272.
-
Statement: A > J ≥ S ≤ K > P
Conclusions: I. K > A II. A ≤ SAnswer and working
Answer D
K and A: the signs between them point both ways, so no relation can be fixed, so K > A is not definitely true. A and S: the chain gives A > S, so A ≤ S is not definitely true. So: Neither conclusion follows.
-
In a queue, Neha is 4th from the front and Dev is 7th from the front. How many people stand between them?
Answer and working
Answer D
Between positions 4 and 7 there are 7 − 4 − 1 = 2 people.
-
Pointing to a man in a photograph, Rekha said, ‘He is the father of my brother’s only niece.’ How is the man related to Rekha?
Answer and working
Answer E
My brother’s only niece is my daughter, so he is my daughter’s father. So the man is Rekha’s husband.
-
Kavita walks 13 km towards the north. She turns right and walks 14 km. She turns left and walks 10 km. Which direction is she facing now?
Answer and working
Answer A
Each right turn is a quarter turn clockwise, each left anticlockwise. The last leg runs North.
Directions for questions 77 to 81
Seven friends, Arun, Bina, Chetan, Divya, Esha, Farhan and Gopal, sit in a row facing north. Esha sits third to the right of Arun. Exactly 4 people sit between Divya and Arun. Chetan and Farhan sit next to each other. Exactly 4 people sit between Farhan and Bina.-
How many people sit between Divya and Arun?
Answer and working
Answer A
Only one order fits every clue, from the left: Arun, Farhan, Chetan, Esha, Gopal, Divya, Bina. Between them: 4.
-
Which pair sits at the two ends of the row?
Answer and working
Answer E
Only one order fits every clue, from the left: Arun, Farhan, Chetan, Esha, Gopal, Divya, Bina. Arun and Bina.
-
Who sits immediately to the right of Chetan?
Answer and working
Answer B
Only one order fits every clue, from the left: Arun, Farhan, Chetan, Esha, Gopal, Divya, Bina. Esha.
-
Who sits at the extreme right end?
Answer and working
Answer B
Only one order fits every clue, from the left: Arun, Farhan, Chetan, Esha, Gopal, Divya, Bina. Bina.
-
What is Farhan’s position from the left end?
Answer and working
Answer A
Only one order fits every clue, from the left: Arun, Farhan, Chetan, Esha, Gopal, Divya, Bina. 2nd.
-
Statement: J > H > D > K ≤ Q
Conclusions: I. H ≤ K II. H < KAnswer and working
Answer D
H and K: the chain gives H > K, so H ≤ K is not definitely true. H and K: the chain gives H > K, so H < K is not definitely true. So: Neither conclusion follows.
-
Sana walks 14 km towards the east. She turns left and walks 15 km. She turns left and walks 9 km. She turns right and walks 6 km. She turns left and walks 4 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 West.
-
F is the mother of E. X is the mother of F. How is X related to E?
Answer and working
Answer B
Follow the links out from E: F is E’s mother; X is F’s mother. So X is E’s grandmother.
-
Which one does not belong with the others?
Answer and working
Answer C
71, 29, 41, 83 are prime; 69 = 3 × 23. The odd one is 69.
-
Statements:
(1) Some rivers are bottles.
(2) All bottles are clouds.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some bottles are clouds.
(II) All bottles are rivers.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: some bottles may lie outside rivers. So: Only conclusion I follows.
-
Which number replaces the question mark? 3, 11, 35, 107, 323, 971, ?
Answer and working
Answer E
The rule: each term is the previous × 3 + 2. The missing term is 2,915.
-
In a certain code, STONE is written as VWRQH. How is BOTTLE written in that code?
Answer and working
Answer A
From STONE → VWRQH: each letter moves 3 places forward. Applied to BOTTLE: ERWWOH.
-
If ‘+’ means ‘−’, ‘−’ means ‘+’, ‘×’ means ‘÷’, ‘÷’ means ‘×’, what is the value of 4 + 2 × 2 − 11 ÷ 10?
Answer and working
Answer C
Replace the signs: 4 − 2 ÷ 2 + 11 × 10. Division and multiplication first, then addition and subtraction: 113.
-
In the English alphabet, which letter is 9th to the right of the 19th letter from the right?
Answer and working
Answer B
The 19th letter from the right is H (position 8). 9 places to the right: position 17, which is Q.
-
Statement: U ≥ E ≥ G > T ≤ H
Conclusions: I. G > U II. G ≤ UAnswer and working
Answer B
G and U: the chain gives G ≤ U, so G > U is not definitely true. G and U: the chain gives G ≤ U, so G ≤ U is definitely true. So: Only conclusion II follows.
-
Statements:
(1) No planes are flowers.
(2) No flowers are bells.
(3) Some pens are bells.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some bells are not flowers.
(II) All flowers are planes.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: some flowers may lie outside planes. So: Only conclusion I follows.
-
In a certain code, KNIFE is written as ILGDC. How is MOTHER written in that code?
Answer and working
Answer B
From KNIFE → ILGDC: each letter moves 2 places back. Applied to MOTHER: KMRFCP.
-
Which number replaces the question mark? 13, 17, 19, 23, ?, 31
Answer and working
Answer A
The rule: consecutive prime numbers. The missing term is 29.
-
Q is the sister of X. X is the mother of L. How is Q related to L?
Answer and working
Answer D
Follow the links out from L: X is L’s mother; Q is X’s sister. So Q is L’s aunt.
-
In a certain code, STONE is written as DMNSR. How is STAR written in that code?
Answer and working
Answer C
From STONE → DMNSR: the word is written backwards and each letter moves 1 back. Applied to STAR: QZSR.
-
Statements:
(1) All clocks are bells.
(2) All bells are watches.
(3) Some watches are trees.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) All clocks are watches.
(II) Some trees are bells.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: trees and bells need not overlap at all. So: Only conclusion I follows.
-
Statement: G < X ≤ D ≤ R ≤ J
Conclusions: I. G ≤ J II. R ≥ XAnswer and working
Answer E
G and J: the chain gives G < J, so G ≤ J is definitely true. R and X: the chain gives R ≥ X, so R ≥ X is definitely true. So: Both conclusions follow.
-
In a queue, Kabir is 18th from the front and Dev is 36th from the front. How many people stand between them?
Answer and working
Answer C
Between positions 18 and 36 there are 36 − 18 − 1 = 17 people.
-
In a certain code, PAPER is written as KZKVI. How is COAT written in that code?
Answer and working
Answer C
From PAPER → KZKVI: each letter is replaced by its opposite in the alphabet (A ↔ Z, B ↔ Y …). Applied to COAT: XLZG.