- Test booklet
- प्रश्न पुस्तिका
- Booklet No.
- 3431969
- Series
- B
RBI Assistant 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. 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.
Any woman who serves as a sponsor for a child at baptismAnswer and working
-
Select the word closest in meaning to the given word.
LimelightAnswer and working
Answer B
Limelight (noun) and Spotlight share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
HunchbackAnswer and working
Answer E
Hunchback (noun) and Humpback 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 incorrectly spelt word.
Answer and working
Answer A
unattrective is wrong; it is spelt unattractive. The others are correct.
-
Select the incorrectly spelt word.
Answer and working
Answer B
potentielly is wrong; it is spelt potentially. The others are correct.
-
Select the word closest in meaning to the given word.
StoopAnswer and working
Answer B
Stoop (verb) and Crouch 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 takes vengeanceAnswer and working
-
Select the word opposite in meaning to the given word.
LowerAnswer and working
-
Select the incorrectly spelt word.
Answer and working
Answer E
indescrebable is wrong; it is spelt indescribable. The others are correct.
-
Select the word opposite in meaning to the given word.
BoilAnswer and working
-
Select the incorrectly spelt word.
Answer and working
Answer B
hallucanate is wrong; it is spelt hallucinate. The others are correct.
-
Select the one word that can replace the given group of words.
Someone versed in the collection and interpretation of numerical dataAnswer and working
Answer E
Statistician: someone versed in the collection and interpretation of numerical data.
Source: WordNet 3.1
-
Select the word opposite in meaning to the given word.
LenderAnswer and working
-
Select the word closest in meaning to the given word.
SwapAnswer and working
Answer D
Swap (verb) and Switch share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
SatisfyAnswer and working
Answer C
Satisfy (verb) and Fulfill share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the incorrectly spelt word.
Answer and working
Answer A
biologicaly is wrong; it is spelt biologically. The others are correct.
-
Select the word opposite in meaning to the given word.
GuiltAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer D
The correct spelling is emission.
-
Select the word closest in meaning to the given word.
GenteelAnswer and working
Answer C
Genteel (adjective) and Polite share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the incorrectly spelt word.
Answer and working
Answer B
mommentary is wrong; it is spelt momentary. The others are correct.
-
Select the word opposite in meaning to the given word.
PunctualityAnswer and working
-
Select the one word that can replace the given group of words.
A smith who forges and shapes iron with a hammer and anvilAnswer and working
-
Select the word closest in meaning to the given word.
CircularAnswer and working
Answer C
Circular (adjective) and Round share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the incorrectly spelt word.
Answer and working
Answer C
passionetely is wrong; it is spelt passionately. The others are correct.
-
Select the word closest in meaning to the given word.
PoshAnswer and working
Answer E
Posh (adjective) and Classy share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word opposite in meaning to the given word.
EqualAnswer and working
-
Select the word closest in meaning to the given word.
HindranceAnswer and working
Answer E
Hindrance (noun) and Impediment 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 fits a garment to a particular personAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer B
The correct spelling is submissive.
Part BNumerical Ability
-
Solve both equations and compare x and y.
I. x² − 4x − 96 = 0
II. y² + 7y + 10 = 0Answer and working
Answer E
I gives x = −8 or 12. II gives y = −5 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.
-
A is twice as efficient as B. Together they finish a job in 24 days. How long would A take alone?
Answer and working
Answer A
If B does 1 unit a day, A does 2; together 3 units a day for 24 days = 72 units. A alone: 72 ÷ 2 = 36 days.
-
A shopkeeper marks an article 50% above its cost price and allows a discount of 20%. If the article was sold for ₹2,760, what was its cost price?
Answer and working
Answer B
SP = CP × 1.5 × 0.8 = CP × 1.2. So CP = 2,760 ÷ 1.2 = ₹2,300.
-
A sum of money at simple interest amounts to ₹37,260 in 2 years and to ₹40,020 in 4 years. What is the sum?
Answer and working
Answer A
Interest for 2 years = 40,020 − 37,260 = ₹2,760, so ₹1,380 a year. Interest for 2 years = ₹2,760. Sum = 37,260 − 2,760 = ₹34,500.
-
A scooter runs at 108 km/h. What is its speed in metres per second?
Answer and working
Answer B
Multiply by 5/18: 108 × 5/18 = 30 m/s.
-
Which number replaces the question mark? 12, 13, 15, 18, 22, 27, ?
Answer and working
Answer D
The rule: the differences grow by 1: 1, 2, 3, 4, 5, 6. The missing term is 33.
Directions for questions 37 to 41
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 560 644 Plant K 440 352 Plant L 520 598 Plant M 600 900 Plant N 460 644 -
Plant M’s Year 2 figure is what percent of Plant J’s Year 2 figure?
Answer and working
Answer B
900 ÷ 644 × 100 = 139.75%.
-
Which one grew the most in percentage terms from Year 1 to Year 2?
Answer and working
Answer E
Growth: Plant J 15%, Plant K −20%, Plant L 15%, Plant M 50%, Plant N 40%. The highest is Plant M.
-
What is the total for Plant K over the two years?
Answer and working
Answer A
440 + 352 = 792.
-
By what percent did Plant N’s figure change from Year 1 to Year 2?
Answer and working
Answer C
Change = 644 − 460 = 184. On Year 1: 184 ÷ 460 × 100 = 40% increase.
-
What is the ratio of Plant L’s Year 1 figure to Plant M’s Year 2 figure?
Answer and working
Answer C
520 : 900 = 26 : 45.
-
What is the compound interest on ₹53,750 for 2 years at 4% per annum, compounded annually?
Answer and working
Answer E
Amount = 53,750 × (1 + 4/100)2 = ₹58,136. CI = 58,136 − 53,750 = ₹4,386.
-
What is √324 + √729 − √784?
Answer and working
Answer C
18 + 27 − 28 = 17.
-
In what ratio must rice at ₹29/kg be mixed with rice at ₹69/kg so that the mixture is worth ₹61/kg?
Answer and working
Answer B
By alligation: cheaper : dearer = (69 − 61) : (61 − 29) = 8 : 32 = 1 : 4.
-
Solve both equations and compare x and y.
I. x² + 10x + 21 = 0
II. y² − 9y + 20 = 0Answer and working
Answer C
I gives x = −7 or −3. II gives y = 4 or 5. Every x is smaller than every y: x < y.
-
Simplify: 68 + 14 × 9 − 18 ÷ 3
Answer and working
Answer D
Division and multiplication first: 14 × 9 = 126 and 18 ÷ 3 = 6. Then 68 + 126 − 6 = 188.
-
What is √256 + √196 − √841?
Answer and working
Answer A
16 + 14 − 29 = 1.
-
Which number replaces the question mark? 9, 30, 93, 282, 849, 2,550, ?
Answer and working
Answer E
The rule: each term is the previous × 3 + 3. The missing term is 7,653.
-
What is the mean proportional between 4 and 49?
Answer and working
Answer C
Mean proportional = √(4 × 49) = √196 = 14.
-
The present ages of Asha and her elder brother are in the ratio 7 : 8. After 6 years, the ratio will be 10 : 11. What is Asha’s present age?
Answer and working
Answer D
Ages 7x and 8x. (7x + 6) : (8x + 6) = 10 : 11 gives x = 2. Asha is 7 × 2 = 14 years.
-
The population of a town is 32,600. It grows by 10% every year. What will it be after 2 years?
Answer and working
Answer D
32,600 × (1 + 10/100)² = 32,600 × 1.21 = 39,446. Growing 10% on 32,600 twice, not 20% once.
-
Find the wrong number in the series: 10, 17, 26, 37, 50, 62, 82
Answer and working
Answer A
The rule: the terms are 3², 4², 5² … plus 1. The term in place of 62 should be 65, so the wrong number is 62.
-
What is the value of 55² − 14²?
Answer and working
Answer C
a² − b² = (a + b)(a − b) = 69 × 41 = 2,829.
-
The monthly rent of a shop goes from ₹860 to ₹1,376. What is the percentage increase?
Answer and working
Answer A
Change = ₹516. On the original value: 516 ÷ 860 × 100 = 60%, a 60% increase. Dividing by the new value, 1,376, is the usual slip.
-
Two trains 150 m and 290 m long run on parallel tracks in opposite directions at 72 km/h and 72 km/h. How long do they take to cross each other?
Answer and working
Answer E
Relative speed = 72 + 72 = 144 km/h = 40 m/s. Distance = 150 + 290 = 440 m. Time = 440 ÷ 40 = 11 seconds.
-
By selling a watch for ₹165, a man loses 25%. For how much should he sell it to gain 20%?
Answer and working
Answer C
CP = 165 × 100/75 = ₹220. For a 20% gain: 220 × 120/100 = ₹264.
-
Solve both equations and compare x and y.
I. x² − 36 = 0
II. y² − 2y − 99 = 0Answer and working
Answer E
I gives x = −6 or 6. II gives y = −9 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.
-
Which number replaces the question mark? 2, 11, 27, 52, 88, 137, ?
Answer and working
Answer B
The rule: the differences are squares: 9, 16, 25, 36, 49, 64. The missing term is 201.
-
One card is drawn at random from a well-shuffled pack of 52. What is the probability that it is a number card from 2 to 10 of diamonds?
Answer and working
Answer A
9 of the 52 cards qualify. Probability = 9⁄52.
-
A boat covers 26 km downstream in 2 hours and 35 km upstream in 5 hours. What is the speed of the boat in still water?
Answer and working
Answer B
Downstream speed = 26 ÷ 2 = 13 km/h; upstream = 35 ÷ 5 = 7 km/h. Boat = (13 + 7) ÷ 2 = 10 km/h.
-
What is the average of the first 49 natural numbers?
Answer and working
Answer C
Sum = 49 × 50/2, so the average is (49 + 1)/2 = 25.
-
Solve both equations and compare x and y.
I. x² − 36 = 0
II. y² + 2y − 3 = 0Answer and working
Answer E
I gives x = −6 or 6. II gives y = −3 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.
-
Find the wrong number in the series: 6, 14, 30, 66, 126, 254, 510
Answer and working
Answer E
The rule: each term is the previous × 2 + 2. The term in place of 66 should be 62, so the wrong number is 66.
-
Solve both equations and compare x and y.
I. x² − 4x − 12 = 0
II. y² − 3y − 54 = 0Answer and working
Answer E
I gives x = −2 or 6. II gives y = −6 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.
-
Simplify: 1⁄4 + 3⁄5 + 3⁄4
Answer and working
Answer B
Over the common denominator 40: the sum is 8⁄5. Adding tops and bottoms separately (13/22) is the trap.
Part CReasoning Ability
-
Pooja walks 13 km towards the south. She turns left and walks 15 km. She turns left and walks 3 km. She turns right and walks 3 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 East.
-
Statements:
(1) Some boxes are doors.
(2) All doors are roads.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some boxes are roads.
(II) Some doors are not boxes.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: every one of the doors may be boxes. So: Only conclusion I follows.
-
In a certain code, WATER is written as UYRCP. How is SISTER written in that code?
Answer and working
Answer E
From WATER → UYRCP: each letter moves 2 places back. Applied to SISTER: QGQRCP.
-
Statement: F > B > H < D > U
Conclusions: I. F ≤ D II. H > UAnswer and working
Answer D
F and D: the signs between them point both ways, so no relation can be fixed, so F ≤ D is not definitely true. H and U: the signs between them point both ways, so no relation can be fixed, so H > U is not definitely true. So: Neither conclusion follows.
-
Statements:
(1) All pens are phones.
(2) Some phones are bags.
(3) Some stones are bags.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some bags are phones.
(II) No pens are phones.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: pens and phones may overlap. So: Only conclusion I follows.
-
Statement: P < H < L < V < M
Conclusions: I. L ≥ P II. P ≤ LAnswer and working
Answer E
L and P: the chain gives L > P, so L ≥ P is definitely true. P and L: the chain gives P < L, so P ≤ L is definitely true. So: Both conclusions follow.
-
In the English alphabet, which letter is 9th to the right of the 17th letter from the left?
Answer and working
Answer B
The 17th letter from the left is Q (position 17). 9 places to the right: position 26, which is Z.
-
In a class, Ravi ranks 30th from the top and 25th from the bottom. How many students are in the class?
Answer and working
Answer D
Ravi is counted in both ranks, so the total is 30 + 25 − 1 = 54.
-
In a queue, Meena is 17th from the front and Ritu is 33rd from the front. How many people stand between them?
Answer and working
Answer C
Between positions 17 and 33 there are 33 − 17 − 1 = 15 people.
-
Statements:
(1) Some planes are bottles.
(2) No roads are bottles.
(3) All kites are roads.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some roads are kites.
(II) All bottles are planes.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: some bottles may lie outside planes. So: Only conclusion I follows.
-
Kabir walks 2 km towards the east. He turns right and walks 10 km. He turns left and walks 7 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 East.
-
Pointing to a woman in a photograph, Kavita said, ‘Her mother is the only daughter of my mother.’ How is the woman related to Kavita?
Answer and working
Answer D
The only daughter of my mother is me, so I am the mother. So the woman is Kavita’s daughter.
-
In a certain code, PENCIL is written as MJDOFQ. How is GLASS written in that code?
Answer and working
Answer C
From PENCIL → MJDOFQ: the word is written backwards and each letter moves 1 forward. Applied to GLASS: TTBMH.
-
Find the wrong number in the series: 9, 16, 25, 36, 51, 64, 81
Answer and working
Answer C
The rule: the terms are 3², 4², 5² …. The term in place of 51 should be 49, so the wrong number is 51.
-
Which one does not belong with the others?
Answer and working
Answer D
In the others the second number is 3n + 1 of the first; 9 : 29 breaks it. The odd one is 9 : 29.
-
In the English alphabet, which letter is 4th to the right of the 15th letter from the right?
Answer and working
Answer A
The 15th letter from the right is L (position 12). 4 places to the right: position 16, which is P.
-
Statement: H ≥ G ≥ Q < D ≤ C
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.
-
Statements:
(1) Some lamps are boxes.
(2) Some boxes are not tables.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) No lamps are tables.
(II) All tables are lamps.Answer and working
Answer D
Conclusion I need not hold: lamps and tables may overlap. Conclusion II need not hold: some tables may lie outside lamps. So: Neither conclusion follows.
-
Pooja walks 7 km towards the south. She turns left and walks 11 km. She turns left and walks 7 km. She turns right and walks 4 km. She turns left and walks 2 km. In which direction is she from the starting point?
Answer and working
Answer C
Taking east and north as positive: she ends 15 km east and 2 km north of the start, which is to the North-east.
-
In a certain code, BOOK is written as ERRN. How is CHALK written in that code?
Answer and working
Answer A
From BOOK → ERRN: each letter moves 3 places forward. Applied to CHALK: FKDON.
Directions for questions 86 to 90
Six friends, Arun, Bina, Chetan, Divya, Esha and Farhan, sit in a row facing north. Bina sits immediately to the left of Esha. Divya does not sit at either end. Exactly 3 people sit between Divya and Farhan. Exactly 2 people sit between Divya and Arun. Farhan sits somewhere to the right of Divya.-
Who sits second to the right of Esha?
Answer and working
Answer E
Only one order fits every clue, from the left: Chetan, Divya, Bina, Esha, Arun, Farhan. Farhan.
-
Who sits at the extreme right end?
Answer and working
Answer A
Only one order fits every clue, from the left: Chetan, Divya, Bina, Esha, Arun, Farhan. Farhan.
-
Who sits at the extreme left end?
Answer and working
Answer D
Only one order fits every clue, from the left: Chetan, Divya, Bina, Esha, Arun, Farhan. Chetan.
-
What is Esha’s position from the left end?
Answer and working
Answer C
Only one order fits every clue, from the left: Chetan, Divya, Bina, Esha, Arun, Farhan. 4th.
-
Which pair sits at the two ends of the row?
Answer and working
Answer C
Only one order fits every clue, from the left: Chetan, Divya, Bina, Esha, Arun, Farhan. Chetan and Farhan.
-
Which number replaces the question mark? 20, 29, 45, 70, 106, 155, ?
Answer and working
Answer D
The rule: the differences are squares: 9, 16, 25, 36, 49, 64. The missing term is 219.
-
E is the daughter of C. Q is the husband of W. C is the sister of Q. How is E related to W?
Answer and working
Answer D
Follow the links out from W: Q is W’s husband; C is Q’s sister; E is C’s daughter. So E is W’s niece.
-
Statements:
(1) Some bells are bags.
(2) Some clocks are not bells.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some bells are not clocks.
(II) All bags are bells.Answer and working
Answer D
Conclusion I need not hold: every one of the bells may be clocks. Conclusion II need not hold: some bags may lie outside bells. So: Neither conclusion follows.
-
Statement: G ≥ C = M ≤ Y = V
Conclusions: I. V > M II. V = MAnswer and working
Answer C
V and M: the chain gives V ≥ M, so V > M is not definitely true. V and M: the chain gives V ≥ M, so V = M is not definitely true. Together the two cover every possibility the chain allows. So: Either conclusion I or II follows.
-
If ‘+’ means ‘×’, ‘−’ means ‘÷’, ‘×’ means ‘+’, ‘÷’ means ‘−’, what is the value of 6 × 12 + 9 − 12 ÷ 3?
Answer and working
Answer E
Replace the signs: 6 + 12 × 9 ÷ 12 − 3. Division and multiplication first, then addition and subtraction: 12.
-
Statement: L ≥ T ≥ J ≤ X ≤ U
Conclusions: I. U = J II. U > JAnswer and working
Answer C
U and J: the chain gives U ≥ J, so U = J is not definitely true. U and J: the chain gives U ≥ J, so U > J is not definitely true. Together the two cover every possibility the chain allows. So: Either conclusion I or II follows.
-
In a certain code, SILVER is written as THMUFQ. How is SISTER written in that code?
Answer and working
Answer A
From SILVER → THMUFQ: letters in odd places move 1 forward, letters in even places move 1 back. Applied to SISTER: THTSFQ.
-
If ‘+’ means ‘×’, ‘−’ means ‘÷’, ‘×’ means ‘+’, ‘÷’ means ‘−’, what is the value of 47 + 6 − 3 × 17 ÷ 2?
Answer and working
Answer B
Replace the signs: 47 × 6 ÷ 3 + 17 − 2. Division and multiplication first, then addition and subtraction: 109.
-
H is the brother of M. F is the wife of H. How is F related to M?
Answer and working
Answer D
Follow the links out from M: H is M’s brother; F is H’s wife. So F is M’s sister-in-law.
-
Statements:
(1) Some stones are clouds.
(2) Some stones are doors.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some doors are clouds.
(II) All clouds are doors.Answer and working
Answer D
Conclusion I need not hold: doors and clouds need not overlap at all. Conclusion II need not hold: some clouds may lie outside doors. So: Neither conclusion follows.