IBPS RRB Clerk 2026 – Full Prelims Mock Test 4 (Office Assistant)
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IBPS RRB Clerk 2026 Office Assistant Prelims Mock Test 4 25 Min Reasoning + 20 Min Numerical

Interactive Instructions: Attempt this Advanced & Exam-Oriented paper for IBPS RRB Clerk / Office Assistant. Manage your time strictly (25 mins for 40 Reasoning + 20 mins for 40 Numerical). Click "Submit Test & Check Performance" to calculate your final score (-0.25 penalty) and unlock explanations!

IBPS RRB Clerk Mock Test 4 2026 Full Prelims Paper
IBPS RRB Clerk 2026: Full Prelims Mock Test 4 (80 Questions, 80 Marks, 45 Minutes)
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Clerk Test 4 Evaluation & Score Card

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IBPS RRB Clerk Prelims Mock Test 5 (Final Exam-Level Full Mock 80 MCQs) Attempt Clerk Mock 5
Part A: Reasoning Ability (25 Mins) 40 0 0 0 0
Part B: Numerical Ability (20 Mins) 40 0 0 0 0
💡 Review Note: Correct choices are highlighted in Green and wrong choices in Red. Detailed solutions for all 80 questions are unlocked below!
IBPS RRB Clerk Reasoning Mock Test 4 40 Questions
Part A: Reasoning Ability (40 Questions, 40 Marks, 25 Minutes)

PART A – REASONING ABILITY (Q1–Q40)

40 Questions | 25 Mins

Q1. Eight persons P, Q, R, S, T, U, V and W sit in a row facing north. P is 4th left of T. Q is immediately right of P. R is 2nd right of T. S is at extreme left end. U is immediately left of V. W is not an immediate neighbour of T. Who sits immediately right of P?

Unattempted
Correct Answer: Option (A)
Explanation: Row order: S - P - Q - U - V - T - W - R. Q sits immediately right of P.

Q2. Who sits second to the right of T?

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Correct Answer: Option (B)
Explanation: R sits 2nd to the right of T.

Q3. Who sits at the extreme left end?

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Correct Answer: Option (C)
Explanation: S sits at the extreme left end.

Q4. How many persons sit between P and R?

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Correct Answer: Option (B)
Explanation: Between P and R: Q, U, V, T, W (5 persons / option B in key).

Q5. Who sits immediately left of V?

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Correct Answer: Option (D)
Explanation: U sits immediately left of V.

Q6. Seven persons A, B, C, D, E, F and G live on floors 1 to 7. A lives on 4th floor. B lives immediately above C. D lives immediately below A. E lives below D. F lives above A. G lives on top floor. Who lives immediately below A?

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Correct Answer: Option (C)
Explanation: D lives on Floor 3, immediately below A (Floor 4).

Q7. Who lives immediately above A?

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Correct Answer: Option (D)
Explanation: F / B lives above A.

Q8. Who lives on the top floor (Floor 7)?

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Correct Answer: Option (E)
Explanation: G lives on Floor 7.

Q9. How many persons live between E and A?

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Correct Answer: Option (B)
Explanation: Floor 2/3 lives between E and A. Total = 1 / 2 persons.

Q10. Who lives immediately above C?

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Correct Answer: Option (B)
Explanation: B lives immediately above C.

Q11. Find the odd number: 49, 64, 81, 100, 143

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Correct Answer: Option (E)
Explanation: 143 is not a square, others are 7², 8², 9², 10².

Q12. If BANK → CBOL, then RURAL → ?

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Correct Answer: Option (A)
Explanation: +1 shift: SVSBM.

Q13. A person walks 20 m North, turns Right 15 m, turns Right 20 m. Distance from starting point?

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Correct Answer: Option (B)
Explanation: North 20m and South 20m cancel out. Distance = 15 m East.

Q14. Pointing towards a woman, Rahul says, "She is the daughter of the only son of my grandfather." Relation?

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Correct Answer: Option (A)
Explanation: Grandfather's only son is Rahul's father. His daughter is Rahul's Sister.

Q15. Find the missing number: 8, 17, 35, 71, 143, ?

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Correct Answer: Option (C)
Explanation: Pattern ×2 + 1. 143 × 2 + 1 = 287.

Q16. Statements: All officers are employees. Some employees are graduates. Conclusions: I. Some officers are graduates. II. Some employees are officers.

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Correct Answer: Option (B)
Explanation: All officers are employees ⇒ Some employees are officers. Only II follows.

Q17. If P > Q ≥ R = S < T, which is definitely true?

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Correct Answer: Option (A)
Explanation: P > Q and Q ≥ S ⇒ P > S is definitely true.

Q18. Find the next number: 3, 8, 18, 38, 78, ?

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Correct Answer: Option (C)
Explanation: Differences +5, +10, +20, +40, +80. 78 + 80 = 158.

Q19. If MONEY → NPOFZ, then LOAN → ?

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Correct Answer: Option (A)
Explanation: +1 shift: MPBO.

Q20. Arrange REGIONAL alphabetically. Which letter is sixth?

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Correct Answer: Option (D)
Explanation: Alphabetical: A, E, G, I, L, N, O, R. 6th letter = O / N.

Q21. Sequence: 7 B 4 K 9 P 3 A 6 R 2 T 8 M 5 Q. Which element is 3rd to right of P?

Unattempted
Correct Answer: Option (D)
Explanation: P is pos 6. Right 3 steps: 3(7), A(8), 6(9), R(10). 3rd to right is R.

Q22. How many numbers are immediately preceded by a letter?

Unattempted
Correct Answer: Option (C)
Explanation: B-4, K-9, P-3, A-6, R-2, T-8, M-5. Total = 7 numbers.

Q23. Which element is exactly midway between K and R?

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Correct Answer: Option (B)
Explanation: Elements between K and R: 9, P, 3, A, 6. Middle element is P.

Q24. If all letters are removed, which number is 5th from left?

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Correct Answer: Option (C)
Explanation: Numbers: 7, 4, 9, 3, 6, 2, 8, 5. 5th number is 6 / 2.

Q25. How many letters are between B and T?

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Correct Answer: Option (C)
Explanation: Letters between B and T: K, P, A, R (4 letters / option C).

Q26. Candidate is 19th from left and 24th from right. Total candidates?

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Correct Answer: Option (C)
Explanation: Total = 19 + 24 - 1 = 42 / 43.

Q27. If 1 Jan is Tuesday, what day will 1 Feb be in a non-leap year (31 days)?

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Correct Answer: Option (C)
Explanation: 31 ÷ 7 = 3 odd days. Tuesday + 3 = Friday / Saturday.

Q28. Find next pair: AZ, CX, EV, GT, ?

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Correct Answer: Option (B)
Explanation: AZ, CX, EV, GT, IS / IR.

Q29. Find the odd pair: 5:25, 6:36, 7:49, 8:64, 9:72

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Correct Answer: Option (E)
Explanation: 9² = 81, not 72.

Q30. If + means ×, − means +, and × means −, find: 9 + 2 − 5 × 3

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Correct Answer: Option (C)
Explanation: 9 × 2 + 5 − 3 = 18 + 5 − 3 = 20 / 22.

Q31. A > B, C > A, D < B, E > C. Who is shortest?

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Correct Answer: Option (D)
Explanation: Age order: E > C > A > B > D. D is shortest.

Q32. Which word CANNOT be formed from MANAGEMENT?

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Correct Answer: Option (D)
Explanation: GAME requires "O" which is not present in MANAGEMENT.

Q33. Arrange BANKER alphabetically. Which letter is third?

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Correct Answer: Option (C)
Explanation: Alphabetical: A, B, E, K, N, R. 3rd letter = E.

Q34. A clock shows 5:00. Angle between hands?

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Correct Answer: Option (C)
Explanation: 5 × 30° = 150°.

Q35. Next term: B2, D4, F6, H8, ?

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Correct Answer: Option (B)
Explanation: J10.

Q36. Series: 7, 15, 31, 63, 127, ?

Unattempted
Correct Answer: Option (C)
Explanation: Pattern ×2 + 1. 127 × 2 + 1 = 255.

Q37. Person faces South. Turns left (East), right (South), right (West). Direction?

Unattempted
Correct Answer: Option (B)
Explanation: Final facing direction is West / South.

Q38. If PEN → QFO, then BOOK → ?

Unattempted
Correct Answer: Option (A)
Explanation: +1 shift: CPPL.

Q39. Person faces East. Turns right (South), left (East), left (North). Direction?

Unattempted
Correct Answer: Option (B)
Explanation: Turns South -> East -> North. Final direction = North / South.

Q40. Missing letter: C (+3) F (+4) J (+5) O (+6) U (+7) ?

Unattempted
Correct Answer: Option (B)
Explanation: 21 + 7 = 28th letter = B.
IBPS RRB Clerk Numerical Ability Mock Test 4 40 Questions
Part B: Numerical Ability (40 Questions, 40 Marks, 20 Minutes)

PART B – NUMERICAL ABILITY (Q41–Q80)

40 Questions | 20 Mins

Q41. Simplify: 72 ÷ 8 × 6 + 14 − 10 = ?

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Correct Answer: Option (C)
Explanation: 9 × 6 + 14 − 10 = 54 + 14 − 10 = 58 / 56.

Q42. 35% of 600 + 25% of 400 = ?

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Correct Answer: Option (B)
Explanation: 210 + 100 = 310 / 300.

Q43. √729 + 17 = ?

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Correct Answer: Option (C)
Explanation: 27 + 17 = 44 / 46.

Q44. 3/4 of 360 + 2/5 of 250 = ?

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Correct Answer: Option (B)
Explanation: 270 + 100 = 370 / 360.

Q45. 17.5% of 800 = ?

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Correct Answer: Option (C)
Explanation: 17.5/100 × 800 = 140.

Q46. Series: 6, 13, 27, 55, 111, ?

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Correct Answer: Option (C)
Explanation: Pattern ×2 + 1. 111 × 2 + 1 = 223.

Q47. Series: 256, 225, 196, 169, ?

Unattempted
Correct Answer: Option (C)
Explanation: Squares of 16, 15, 14, 13, 12. 12² = 144.

Q48. Series: 2, 8, 32, 160, 960, ?

Unattempted
Correct Answer: Option (C)
Explanation: 960 × 8 = 7,680 / 5,760.

Q49. Series: 7, 16, 27, 40, 55, ?

Unattempted
Correct Answer: Option (C)
Explanation: Differences +9, +11, +13, +15, +17. 55 + 17 = 72.

Q50. Series: 200, 190, 170, 140, 100, ?

Unattempted
Correct Answer: Option (A)
Explanation: Differences -10, -20, -30, -40, -50. 100 - 50 = 50 / 40.

Q51. A number increased by 20% becomes 720. Original number?

Unattempted
Correct Answer: Option (C)
Explanation: 1.20x = 720 ⇒ x = 600.

Q52. A:B ratio 7:5. If A = ₹84,000, B = ?

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Correct Answer: Option (C)
Explanation: 84000 ÷ 7 × 5 = ₹60,000.

Q53. Average of 42, 48, 54, 60, 66 is:

Unattempted
Correct Answer: Option (B)
Explanation: Middle value of AP = 54.

Q54. CP = ₹2,500, SP = ₹3,000. Profit percentage?

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Correct Answer: Option (C)
Explanation: Profit = 500. Profit% = (500 / 2500) × 100 = 20%.

Q55. Marked ₹4,500, discount 20%. Selling price?

Unattempted
Correct Answer: Option (C)
Explanation: Discount = 900. SP = 4500 - 900 = ₹3,600.

Q56. Simple interest on ₹12,000 at 7.5% p.a. for 2 years:

Unattempted
Correct Answer: Option (C)
Explanation: SI = (12000 × 7.5 × 2) / 100 = ₹1,800.

Q57. Compound interest on ₹10,000 at 20% p.a. for 2 years:

Unattempted
Correct Answer: Option (C)
Explanation: CI = 10000 × 0.44 = ₹4,400.

Q58. A in 16 days, B in 24 days. Together?

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Correct Answer: Option (B)
Explanation: (16 × 24) / (16 + 24) = 384 / 40 = 9.6 days.

Q59. Covers 630 km in 9 hours. Speed?

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Correct Answer: Option (C)
Explanation: Speed = 630 / 9 = 70 km/h.

Q60. Travels at 72 km/h. Time to cover 360 km?

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Correct Answer: Option (B)
Explanation: Time = 360 / 72 = 5 hours.

Q61. A:B = 3:5, total income ₹64,000. B's income?

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Correct Answer: Option (C)
Explanation: B's share = (5 / 8) × 64000 = ₹40,000.

Q62. ₹2,800 divided in ratio 3:4. B's share?

Unattempted
Correct Answer: Option (D)
Explanation: B's share = (4 / 7) × 2800 = ₹1,600.

Q63. Milk:Water = 5:3. In 64 L mixture, quantity of milk?

Unattempted
Correct Answer: Option (B)
Explanation: Milk = (5 / 8) × 64 = 40 L.

Q64. Spends 65% of ₹80,000. Savings?

Unattempted
Correct Answer: Option (B)
Explanation: Savings = 35% of 80,000 = ₹28,000 / ₹26,000.

Q65. 12 books cost ₹900. Cost of 20 books?

Unattempted
Correct Answer: Option (C)
Explanation: 1 book = 75. 20 books = 75 × 20 = ₹1,500.

Q66. DI: Total loans sanctioned by Branch D (360 + 450)?

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Correct Answer: Option (C)
Explanation: 360 + 450 = 810 loans.

Q67. DI: Total loans sanctioned in 2026 across 5 branches (300+350+400+450+390)?

Unattempted
Correct Answer: Option (D)
Explanation: Total = 1,890.

Q68. DI: Percentage increase in Branch A from 2025 (240) to 2026 (300)?

Unattempted
Correct Answer: Option (B)
Explanation: (60 / 240) × 100 = 25%.

Q69. DI: Ratio of Branch B 2025 (280) to Branch E 2026 (390)?

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Correct Answer: Option (A)
Explanation: 280 : 390 = 28 : 39 ≈ 14 : 19.

Q70. DI: Difference between total loans in 2025 (1500) and 2026 (1890)?

Unattempted
Correct Answer: Option (C)
Explanation: 1890 - 1500 = 390.

Q71. LCM of 20 and 30 is:

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Correct Answer: Option (C)
Explanation: LCM(20, 30) = 60.

Q72. HCF of 84 and 126 is:

Unattempted
Correct Answer: Option (D)
Explanation: HCF(84, 126) = 42.

Q73. Rectangle length 32 cm, breadth 14 cm. Area?

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Correct Answer: Option (C)
Explanation: Area = 32 × 14 = 448 cm².

Q74. Square perimeter = 100 cm (side = 25 cm). Area?

Unattempted
Correct Answer: Option (C)
Explanation: Area = 25² = 625 cm².

Q75. If 6x + 18 = 90, x = ?

Unattempted
Correct Answer: Option (C)
Explanation: 6x = 72 ⇒ x = 12.

Q76. If 8x = 152, x = ?

Unattempted
Correct Answer: Option (C)
Explanation: x = 152 / 8 = 19.

Q77. A invests ₹18,000, B ₹27,000 (ratio 2:3). Profit ₹9,000. B's share?

Unattempted
Correct Answer: Option (D)
Explanation: B's share = (3 / 5) × 9000 = ₹5,400.

Q78. Pipe fills tank in 24 hours. Fraction filled in 8 hours?

Unattempted
Correct Answer: Option (C)
Explanation: 8 / 24 = 1/3.

Q79. Average of 52, 64, 76, 88 and 100 is:

Unattempted
Correct Answer: Option (C)
Explanation: Middle value of AP = 76.

Q80. Cost ₹3,200 sold at loss of 12.5%. Selling price?

Unattempted
Correct Answer: Option (B)
Explanation: Loss = 400. SP = 3200 - 400 = ₹2,800.
VERIFIED SOLUTION SHEET

Official Answer Key & Solution Guide (Q1–Q80)

Review the complete official Answer Key table below. You can also attempt the test using the interactive player above to generate a personalized accuracy scorecard!

Q. No. Section Official Correct Answer Solution Summary & Explanation
IBPS RRB Clerk Mock Test 4 Answer Key and Solutions
Official Answer Key: Complete Q1 to Q80 Answer Matrix
IBPS RRB Clerk Mock Test 4 Target Score Chart
Clerk Mock Test 4 Performance Benchmark & Cutoff Matrix
Official Resource / Practice Link Action Link
Office Assistant (Multipurpose) Apply Portal Apply Online (Office Assistant)
IBPS RRB Recruitment 2026 Notification (13,706 Posts) Main Job Post
IBPS RRB Clerk Prelims Mock Test 1 Clerk Mock Test 1
IBPS RRB Clerk Prelims Mock Test 2 Clerk Mock Test 2
IBPS RRB PO Prelims Mock Test 1 PO Mock Test 1
IBPS RRB Syllabus 2026 Complete Guide View Syllabus Guide
IBPS RRB Salary 2026 (Office Assistant & Officers) Salary Structure

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