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IBPS RRB GBO practice questions

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Question 1Reasoning

Read the statements and conclusions and decide which conclusion logically follows. Statements: All ledgers are registers. Some registers are passbooks. Conclusions: I. Some ledgers are passbooks. II. Some registers are ledgers.

  1. Only conclusion I follows
  2. Neither conclusion I nor II follows
  3. Both conclusions I and II follow
  4. Only conclusion II follows Correct answer.

Explanation

The statement 'All ledgers are registers' converts validly to 'Some registers are ledgers', so conclusion II is a definite inference. The registers that happen to be passbooks need not be ledgers at all, so conclusion I is at best a possibility and cannot be concluded from the given statements.

Question 2Reasoning

Pointing to a woman, Ravi said, "She is the daughter of the only son of my mother's mother." How is the woman related to Ravi?

  1. Aunt
  2. Niece
  3. Cousin Correct answer.
  4. Sister

Explanation

Ravi's mother's mother is his maternal grandmother, and her only son is the brother of Ravi's mother, that is, Ravi's maternal uncle. The woman is the daughter of that uncle, which makes her Ravi's cousin.

Question 3Reasoning

In a certain code language, LOAN is written as MPBO. How is RATE written in that same code?

  1. SBVE
  2. RBUF
  3. TBUF
  4. SBUF Correct answer.

Explanation

Every letter of LOAN is moved one place forward in the alphabet to produce MPBO. Applying the same shift, R becomes S, A becomes B, T becomes U and E becomes F, so RATE is coded as SBUF.

Question 4Reasoning

A man starts from point P and walks 5 km towards the north. He then turns right and walks 3 km, turns right again and walks 5 km, and finally turns left and walks 4 km. How far and in which direction is he now from point P?

  1. 7 km west
  2. 3 km east
  3. 4 km north
  4. 7 km east Correct answer.

Explanation

Taking P as the origin, the first move puts him 5 km north; the right turn adds 3 km east; the next right turn takes him 5 km south, which cancels the northward displacement; the final left turn from a southward heading takes him 4 km east. The net displacement is therefore 3 + 4 = 7 km due east of P.

Question 5Reasoning

Which of the following words will appear last if all four are arranged in the order of an English dictionary?

  1. Notice
  2. Nostalgia
  3. Nourish Correct answer.
  4. Nostril

Explanation

All four words begin with 'No', so comparison moves to the third letter, where 's' comes before 't' and 'u'. Between Nostalgia and Nostril the fourth letter decides the order (a before r), and Nourish begins 'Nou', which is later than 'Not'. Hence Nourish is placed last.

Question 6Reasoning

Six friends A, B, C, D, E and F sit in a straight row facing north. F sits at the extreme right end. C sits third to the left of F. D sits immediately to the right of C. B sits at the extreme left end. Who sits second to the right of B?

  1. D
  2. C Correct answer.
  3. A
  4. E

Explanation

Number the seats 1 to 6 from the left. F occupies seat 6, so C, third to the left of F, occupies seat 3; D then takes seat 4 and B takes seat 1. A and E fill seats 2 and 5 in either order, so the seat second to the right of B is always seat 3, occupied by C.

Question 7Reasoning

Study the arrangement 5 K 2 @ J 8 # R 3 M 9 $ B 6 & T 4. How many digits are there each of which is immediately preceded by a letter and immediately followed by a symbol?

  1. Two
  2. Four Correct answer.
  3. Five
  4. Three

Explanation

A digit qualifies only when the element just before it is a letter and the element just after it is a symbol. The qualifying digits are 2 (K 2 @), 8 (J 8 #), 9 (M 9 $) and 6 (B 6 &); the digit 3 fails because M follows it, and 5 and 4 lack the required neighbours. Hence four digits satisfy the condition.

Question 8Reasoning

In a class of 40 students, Anil's rank is 12th from the top. What is his rank from the bottom?

  1. 27th
  2. 28th
  3. 30th
  4. 29th Correct answer.

Explanation

The rank from the bottom equals the total number of students minus the rank from the top plus one. Here 40 - 12 + 1 = 29, so Anil is 29th from the bottom.

Question 9Reasoning

Six persons A, B, C, D, E and F sit around a circular table, all facing the centre. A sits second to the left of D. C sits immediately to the right of A. E sits opposite D. B sits adjacent to E. Who sits opposite A?

  1. C
  2. B
  3. F Correct answer.
  4. E

Explanation

Fix D at seat 1 and count clockwise. Since everyone faces the centre, a person's left is clockwise, so A is at seat 3 and C, immediately to the right of A, is at seat 2. E is diametrically opposite D at seat 4, so B must take the only free seat next to E, seat 5, leaving F at seat 6, directly opposite A.

Question 10Reasoning

In a code language, 'P @ Q' means P is greater than or equal to Q, 'P # Q' means P is greater than Q, and 'P $ Q' means P is equal to Q. Statements: A $ B, B # C, C @ D Conclusions: I. A # C II. D # B

  1. Neither conclusion I nor II follows
  2. Both conclusions I and II follow
  3. Only conclusion II follows
  4. Only conclusion I follows Correct answer.

Explanation

Combining A $ B with B # C gives A = B > C, so A is greater than C and conclusion I holds. Also C is greater than or equal to D, which gives D <= C < B and hence B > D, making conclusion II (D > B) false.

Question 11Reasoning

Read the statements and conclusions and decide which conclusion logically follows. Statements: All pens are books. Some books are copies. Conclusions: I. Some pens are copies. II. Some books are pens.

  1. Neither conclusion I nor II follows
  2. Only conclusion II follows Correct answer.
  3. Only conclusion I follows
  4. Both conclusions I and II follow

Explanation

The statement 'All pens are books' supports the valid converse 'Some books are pens', so conclusion II follows. The statement 'Some books are copies' does not link copies to pens, so conclusion I is not logically forced.

Question 12Reasoning

In a certain code, each letter of a word is replaced by its position in the English alphabet, separated by hyphens. If RIVER is written as 18-9-22-5-18, how is FLOW written?

  1. 6-11-15-23
  2. 6-12-15-23 Correct answer.
  3. 6-12-14-23
  4. 6-12-15-22

Explanation

Using alphabet positions, F is 6, L is 12, O is 15 and W is 23. Therefore FLOW is coded as 6-12-15-23.

Question 13Reasoning

In a queue, there are 15 people ahead of Sana and 9 people behind her. How many people are in the queue?

  1. 25 Correct answer.
  2. 24
  3. 23
  4. 26

Explanation

The total includes the 15 people ahead, the 9 people behind and Sana herself. So the queue has 15 + 9 + 1 = 25 people.

Question 14Reasoning

X is the son of Y. Y is the sister of Z. Z is the father of W. How is X related to W?

  1. Brother
  2. Nephew
  3. Uncle
  4. Cousin Correct answer.

Explanation

Y and Z are siblings, so Y's son X and Z's child W belong to the same generation of cousins. X is therefore W's cousin, regardless of W's gender.

Question 15Reasoning

A man starts from point P, walks 5 km north, turns right and walks 4 km, turns right and walks 10 km, then turns left and walks 8 km. How far and in which direction is he from P?

  1. 15 km south-east
  2. 13 km south-east Correct answer.
  3. 13 km north-west
  4. 12 km south-east

Explanation

Taking north as positive, the net displacement is 12 km east and 5 km south from P. This forms a 5-12-13 right triangle, so the distance is 13 km in the south-east direction.

Question 16Reasoning

Five friends M, N, O, P and Q sit in a straight row facing north. N sits at the extreme right end. M sits second to the left of N. O sits immediately right of M. P sits at the extreme left end. Who sits in the middle?

  1. O
  2. M Correct answer.
  3. N
  4. Q

Explanation

Placing N at the extreme right fixes M two places to its left, and O immediately right of M. With P at the extreme left, Q occupies the remaining second seat, giving P, Q, M, O, N from left to right; M is in the middle.

Question 17Reasoning

Study the arrangement: 5 K @ 8 M # 2 R $ 7 T & 4 L. How many consonants are there each of which is immediately preceded by a number and immediately followed by a symbol?

  1. 3
  2. 4 Correct answer.
  3. 2
  4. 5

Explanation

Check each consonant: K has 5 before and @ after, M has 8 before and # after, R has 2 before and $ after, and T has 7 before and & after. L has a number before it but no symbol after it, so exactly four consonants satisfy the condition.

Question 18Reasoning

In a code language, 'A & B' means A is not smaller than B; 'A * B' means A is neither greater than nor equal to B; and 'A © B' means A is neither smaller than nor greater than B. Statements: P & Q, Q * R, R © S. Which conclusion follows? I. P > S II. Q < S

  1. Only conclusion II follows Correct answer.
  2. Both conclusions I and II follow
  3. Only conclusion I follows
  4. Neither conclusion I nor II follows

Explanation

The symbols give P ≥ Q, Q < R and R = S. Combining Q < R and R = S gives Q < S, so conclusion II follows. P ≥ Q does not fix the relation between P and S, so conclusion I need not follow.

Question 19Reasoning

Six persons J, K, L, M, N and O sit around a circular table, all facing the centre. J sits second to the left of K. O sits immediately right of J. L sits second to the right of O. Who sits opposite L?

  1. J Correct answer.
  2. M
  3. N
  4. K

Explanation

Fix K at one seat. J is two seats to K's left, O is immediately to J's right, and L is two seats to O's right, which places L directly opposite J. The remaining seats for M and N do not change this opposite pair.

Question 20Reasoning

Five lectures A, B, C, D and E are scheduled from Monday to Friday, one per day. C is on Wednesday. B is scheduled immediately after D. E is scheduled before A. E is not on Monday. Which lecture is on Friday?

  1. D
  2. B
  3. A Correct answer.
  4. C

Explanation

Since C is on Wednesday, the pair D-B must be either Monday-Tuesday or Thursday-Friday. If D-B were Thursday-Friday, E and A would take Monday-Tuesday and E would be on Monday, which is forbidden. Thus D is Monday, B Tuesday, C Wednesday, E Thursday and A Friday.

Question 21Reasoning

In the English alphabet, which letter lies exactly midway between the 8th letter from the left end and the 16th letter from the left end?

  1. N
  2. K
  3. L Correct answer.
  4. M

Explanation

The 8th letter from the left is H and the 16th letter is P. The midway position is the average of 8 and 16, which is 12, and the 12th letter of the English alphabet is L.

Question 22Reasoning

A is the father of B. B is the sister of C. C is the son of D. How is D related to A?

  1. Wife Correct answer.
  2. Mother
  3. Daughter
  4. Sister

Explanation

Since B is the sister of C, C is also a child of A. C is the son of D, so D is C's mother and therefore A's wife in the standard blood-relation convention.

Question 23Reasoning

What should come in place of the question mark in the number series 13, 17, 25, 41, ?

  1. 89
  2. 73 Correct answer.
  3. 81
  4. 65

Explanation

The differences between consecutive terms are 4, 8 and 16, which double each time. The next difference should be 32, so the missing term is 41 + 32 = 73.

Question 24Reasoning

In a certain code language, BANK is written as YZMP. Using the same code, how will LOAN be written?

  1. OLZM Correct answer.
  2. OLYM
  3. PLZM
  4. OLZN

Explanation

The code replaces each letter by its opposite letter in the English alphabet, so A becomes Z, B becomes Y, and so on. Applying this to LOAN gives L→O, O→L, A→Z and N→M, producing OLZM.

Question 25Reasoning

A person starts from point P, walks 6 km towards the east, then turns left and walks 8 km. What is the straight-line distance and direction of his final position from P?

  1. 14 km, north-east
  2. 8 km, north
  3. 10 km, south-east
  4. 10 km, north-east Correct answer.

Explanation

After walking 6 km east and then turning left, the person walks 8 km north. The two displacements are perpendicular, so the straight-line distance is √(6² + 8²) = 10 km, and the final position is north-east of P.

Question 26Reasoning

Statements: Some chairs are tables. No table is a fan. Conclusions: I. Some chairs are not fans. II. Some fans are chairs. Which conclusion logically follows?

  1. Neither conclusion I nor II follows
  2. Only conclusion II follows
  3. Both conclusions I and II follow
  4. Only conclusion I follows Correct answer.

Explanation

The chairs that are tables cannot be fans because no table is a fan, so some chairs are definitely not fans. The statements give no positive link between fans and chairs, so conclusion II does not follow.

Question 27Reasoning

Five persons P, Q, R, S and T sit in a straight row facing north. P sits at the extreme left end. R sits second to the right of P. T sits immediately to the right of R. S sits to the left of Q. Who sits in the middle of the row?

  1. P
  2. Q
  3. T
  4. R Correct answer.

Explanation

Fix P at position 1 from the left. R is second to the right of P, so R is at position 3, and T is immediately right of R at position 4. The remaining positions 2 and 5 are occupied by S and Q, with S left of Q, so R is in the middle.

Question 28Reasoning

Question: How is K related to M? Statements: I. K is the brother of N. II. N is the daughter of M. Which statement(s) is/are sufficient to answer the question?

  1. Both statements together are sufficient, but neither alone is sufficient Correct answer.
  2. Only statement II is sufficient
  3. Both statements together are not sufficient
  4. Only statement I is sufficient

Explanation

Statement I alone only shows K's relation to N, and statement II alone only shows N's relation to M. Combining them, K is the brother of N and N is the daughter of M, so K is the son of M.

Question 29Reasoning

Study the arrangement: 4 M @ 7 N # 2 P $ 9 Q & 6 R. If all symbols are removed, the digits are arranged in descending order first and then the letters are arranged in reverse alphabetical order, which element is fifth from the left in the new arrangement?

  1. R
  2. Q
  3. 4
  4. 2 Correct answer.

Explanation

After removing the symbols, the digits are 4, 7, 2, 9 and 6, which in descending order become 9, 7, 6, 4, 2. The letters M, N, P, Q and R in reverse alphabetical order are R, Q, P, N, M, so the combined arrangement is 9, 7, 6, 4, 2, R, Q, P, N, M; the fifth element is 2.

Question 30Reasoning

Six boxes A, B, C, D, E and F are kept one above another. Box A is immediately above box C. Box C is immediately above box F. Box B is at the bottom. Box D is above box E but below box A. Which box is at the top?

  1. F
  2. C
  3. D
  4. A Correct answer.

Explanation

A immediately above C and C immediately above F form the block A-C-F. B is fixed at the bottom, and D must be above E but below A, forcing D and E into the fourth and fifth places; therefore the block A-C-F occupies the top three places, with A at the top.

Question 31Reasoning

Find the next term in the letter series: AZ, BY, CX, DW, ?

  1. EU
  2. EW
  3. DV
  4. EV Correct answer.

Explanation

The first letter moves one step forward: A, B, C, D, so the next first letter is E. The second letter moves one step backward: Z, Y, X, W, so the next second letter is V. Therefore the next term is EV.

Question 32Reasoning

A man is facing south. He turns 90° clockwise, then 180° anticlockwise, and finally 90° clockwise. Which direction is he facing now?

  1. North
  2. South Correct answer.
  3. West
  4. East

Explanation

Starting from south, a 90° clockwise turn makes him face west. A 180° anticlockwise turn reverses that to east, and a final 90° clockwise turn brings him back to south.

Question 33Reasoning

Pointing to a photograph, Rohan says, 'She is the daughter of my grandfather's only son.' How is the woman in the photograph related to Rohan?

  1. Mother
  2. Sister Correct answer.
  3. Cousin
  4. Aunt

Explanation

Rohan's grandfather's only son is Rohan's father. The daughter of Rohan's father is Rohan's sister, so the woman in the photograph is his sister.

Question 34Reasoning

In a certain code language, 'TRAIN' is written as 'USBJO'. How will 'PLANE' be written in the same code?

  1. QMBOF Correct answer.
  2. QMBOE
  3. QNBOF
  4. QMBNF

Explanation

In TRAIN to USBJO, each letter is shifted one place forward in the English alphabet. Applying the same shift to PLANE gives QMBOF.

Question 35Reasoning

Study the following arrangement: 7 A $ 4 B 9 # C 2 E @ 5. Which element is third to the left of the sixth element from the right?

  1. 4 Correct answer.
  2. 9
  3. B
  4. $

Explanation

The arrangement contains 12 elements. The sixth element from the right is the seventh element from the left, which is #. The third element to the left of # is 4.

Question 36Reasoning

Statements: Some pens are markers. All markers are inks. Conclusions: I. Some pens are inks. II. All pens are inks. Which conclusion(s) logically follow(s)?

  1. Both I and II follow
  2. Only I follows Correct answer.
  3. Only II follows
  4. Neither I nor II follows

Explanation

The pens that are markers must also be inks because all markers are inks, so conclusion I follows. Conclusion II would require every pen to be a marker, which is not stated.

Question 37Reasoning

Statements: P > Q ≥ R = S < T. Conclusions: I. P > R. II. S ≥ Q. Which conclusion(s) is/are definitely true?

  1. Only II is true
  2. Both I and II are true
  3. Only I is true Correct answer.
  4. Neither I nor II is true

Explanation

From P > Q and Q ≥ R, it follows that P > R, so conclusion I is true. From Q ≥ R = S, we get Q ≥ S, which does not imply S ≥ Q, so conclusion II is not definitely true.

Question 38Reasoning

Five bank employees-A, B, C, D and E-attend training on five different days, Monday to Friday, one per day. C attends on Wednesday. B attends immediately before E. A attends neither on Monday nor on Friday. D attends after C. Who attends on Thursday?

  1. A Correct answer.
  2. B
  3. C
  4. D

Explanation

C is on Wednesday, and D must be after C. If B and E were Thursday and Friday, D could not be placed after C, so B is Monday and E is Tuesday. A cannot be Friday, so A must be Thursday and D Friday.

Question 39Reasoning

Among five friends P, Q, R, S and T, each has a different height. Who is the tallest? Statements: I. P is taller than Q but shorter than R. II. S is taller than T, and T is taller than P. Which statement(s) is/are sufficient to answer the question?

  1. Only II is sufficient
  2. Both I and II together are sufficient
  3. Neither I nor II is sufficient Correct answer.
  4. Only I is sufficient

Explanation

Statement I compares only P, Q and R, while statement II compares only S, T and P. Even when combined, they do not establish whether R or S is taller, so the tallest person cannot be determined.

Question 40Reasoning

How many such pairs of letters are there in the word REGIONAL that have as many letters between them in the word as in the English alphabet?

  1. One
  2. Four
  3. Three Correct answer.
  4. Two

Explanation

In REGIONAL, the valid pairs are G–L, O–N and N–L, because each pair has the same number of letters between them in the word as in the alphabet. No other pair satisfies this condition.

Question 41Quantitative Aptitude

What value should come in place of the question mark in the number series 6, 11, 21, 41, 81, ?

  1. 162
  2. 161 Correct answer.
  3. 141
  4. 151

Explanation

Every term is obtained by doubling the previous term and then subtracting 1: 6 × 2 − 1 = 11, 11 × 2 − 1 = 21, 21 × 2 − 1 = 41, 41 × 2 − 1 = 81. Applying the same rule to 81 gives 81 × 2 − 1 = 161, so the missing term is 161.

Question 42Quantitative Aptitude

A candidate appearing for the IBPS RRB Officer examination secured 456 marks out of a maximum of 600. What percentage of marks did the candidate secure?

  1. 78%
  2. 76% Correct answer.
  3. 74%
  4. 80%

Explanation

Percentage of marks is found by dividing the secured marks by the maximum marks and multiplying by 100. Here (456 ÷ 600) × 100 = 76, so the candidate secured 76% of the total marks.

Question 43Quantitative Aptitude

The average age of 12 officers posted at a rural bank branch is 32 years. When the branch manager is included, the average age of the 13 persons becomes 33 years. What is the age of the branch manager?

  1. 45 years Correct answer.
  2. 47 years
  3. 43 years
  4. 41 years

Explanation

Total age of the 12 officers is 12 × 32 = 384 years, and the total age of all 13 persons is 13 × 33 = 429 years. The manager's age is the difference between these totals, that is 429 − 384 = 45 years.

Question 44Quantitative Aptitude

A and B can complete a loan-file verification task in 12 days and 18 days respectively. They work together for 4 days, after which A leaves. In how many more days will B alone finish the remaining work?

  1. 6 days
  2. 7 days
  3. 5 days
  4. 8 days Correct answer.

Explanation

Taking the total work as 36 units, A does 3 units per day and B does 2 units per day, so together they finish 5 units daily. In 4 days they complete 20 units, leaving 16 units, which B alone finishes in 16 ÷ 2 = 8 days.

Question 45Quantitative Aptitude

A shopkeeper sells a ceiling fan at a discount of 20% on the marked price and still earns a profit of 20%. If the marked price of the fan is ₹2,400, what is its cost price?

  1. ₹1,800
  2. ₹1,920
  3. ₹1,600 Correct answer.
  4. ₹1,500

Explanation

A 20% discount on ₹2,400 gives a selling price of 0.80 × 2,400 = ₹1,920. Since this selling price is 20% above the cost price, the cost price is 1,920 ÷ 1.20 = ₹1,600.

Question 46Quantitative Aptitude

A sum of ₹8,000 is invested at 10% per annum compound interest, compounded annually. What amount will be received at the end of 2 years?

  1. ₹9,800
  2. ₹9,680 Correct answer.
  3. ₹9,600
  4. ₹8,800

Explanation

The compound interest formula gives amount = P(1 + r/100)^n = 8,000 × (1.10)² = 8,000 × 1.21 = ₹9,680. The extra ₹80 over the simple-interest figure arises because interest is also earned on the first year's interest.

Question 47Quantitative Aptitude

P, Q and R invest ₹12,000, ₹18,000 and ₹24,000 respectively in a business. After 6 months P withdraws his entire capital, while Q and R keep their capital invested for the full year. In what ratio should the annual profit be shared?

  1. 3 : 9 : 16
  2. 1 : 2 : 4
  3. 2 : 3 : 4
  4. 1 : 3 : 4 Correct answer.

Explanation

Profit shares are proportional to capital multiplied by the time invested: P gives 12,000 × 6 = 72,000, Q gives 18,000 × 12 = 2,16,000 and R gives 24,000 × 12 = 2,88,000. Dividing 72,000 : 2,16,000 : 2,88,000 throughout by 72,000 gives the ratio 1 : 3 : 4.

Question 48Quantitative Aptitude

A boat covers 40 km downstream in 2 hours and returns the same distance upstream in 4 hours. What is the speed of the boat in still water?

  1. 12 km/h
  2. 10 km/h
  3. 15 km/h Correct answer.
  4. 20 km/h

Explanation

Downstream speed = 40 ÷ 2 = 20 km/h and upstream speed = 40 ÷ 4 = 10 km/h. The speed of the boat in still water is the average of these two speeds, that is (20 + 10) ÷ 2 = 15 km/h.

Question 49Quantitative Aptitude

A vessel contains 60 litres of a mixture of milk and water in the ratio 7 : 3. How much water must be added so that the ratio of milk to water in the vessel becomes 3 : 2?

  1. 15 litres
  2. 10 litres Correct answer.
  3. 12 litres
  4. 8 litres

Explanation

In the original mixture milk is 7/10 × 60 = 42 litres and water is 18 litres, and the milk quantity does not change when water is added. For a milk-to-water ratio of 3 : 2 the water needed is 42 × 2/3 = 28 litres, so 28 − 18 = 10 litres of water must be added.

Question 50Quantitative Aptitude

A bag contains 5 red, 4 green and 3 blue balls. Three balls are drawn at random from the bag. What is the probability that all three balls drawn are of different colours?

  1. 3/11 Correct answer.
  2. 4/11
  3. 5/11
  4. 2/11

Explanation

The total number of ways of drawing 3 balls from 12 is 12C3 = 220. Favourable draws take one ball of each colour, giving 5 × 4 × 3 = 60 ways, so the required probability is 60/220 = 3/11.