Combined Bank Senior Officer July 2026 – Written question & solution

Questions from the Combined Bank Senior Officer recruitment exam, July 2026 – Written, shared by the candidates who sat it. The paper: 55 MCQs, 20 written questions. So far 54 MCQs and 19 written questions have been shared. Topics include Bangla, English, General Knowledge, Mathematics and Computer Architecture.

MCQ (54)

  1. 'কবর' নাটকের রচয়িতা কে?
    1. a) জসীমউদ্দীন
    2. b) মুনীর চৌধুরী
    3. c) সৈয়দ শামসুল হক
    4. d) শওকত ওসমান
  2. 'নদী' শব্দের সমার্থক শব্দ কোনটি?
    1. a) সলিল
    2. b) তটিনী
    3. c) বারিধি
    4. d) মরু
  3. 'সমাস' শব্দের অর্থ কী?
    1. a) মিলন
    2. b) সংক্ষেপ
    3. c) সমীপ
    4. d) সম্প্রসারণ
  4. 'সংশয়'-এর বিপরীত শব্দ কোনটি?
    1. a) সন্দেহ
    2. b) প্রত্যয়
    3. c) অবিশ্বাস
    4. d) দ্বিধা
  5. 'অর্ধচন্দ্র' বাগধারার অর্থ কী?
    1. a) সম্মান করা
    2. b) গলাধাক্কা দেওয়া
    3. c) তিরস্কার করা
    4. d) আঘাত করা
  6. ভাষার মূল উপাদান কী?
    1. a) বর্ণ
    2. b) ধ্বনি
    3. c) শব্দ
    4. d) বাক্য
  7. কাজী নজরুল ইসলামের প্রথম কাব্যগ্রন্থ কোনটি?
    1. a) অগ্নিবীণা
    2. b) বিষের বাঁশী
    3. c) সর্বহারা
    4. d) সঞ্চিতা
  8. নিচের কোনটি সঠিক বানান?
    1. a) মুহুর্মুহু
    2. b) মুহূর্মুহূ
    3. c) মুহুরমুহু
    4. d) মুহূর মুহূ
  9. কর্মে যার ক্লান্তি নাই—এক কথায় কী বলে?
    1. a) অক্লান্ত
    2. b) কর্মঠ
    3. c) নিরলস
    4. d) ক্লান্তিহীন
  10. 'রত্নাকর' শব্দের সন্ধি কোনটি?
    1. a) রত্ন + আকর
    2. b) রতন + আকর
    3. c) রত্ন + কর
    4. d) রত্না + আকর
  11. Identify the correct synonym for 'Resilient'.
    1. a) Vulnerable
    2. b) Elastic
    3. c) Rigid
    4. d) Lazy
  12. Fill in the blank: 'Fifty miles ______ a long distance.'
    1. a) are
    2. b) is
    3. c) has
    4. d) have
  13. Choose the correctly spelled word.
    1. a) Bereaucracy
    2. b) Burocracy
    3. c) Bureaucracy
    4. d) Bureacracy
  14. Choose the appropriate preposition: 'He parted ______ his friends in tears.'
    1. a) with
    2. b) from
    3. c) by
    4. d) of
  15. Change the voice: 'Shut the door.'
    1. a) Let the door be shut.
    2. b) The door should be shut.
    3. c) Let the door shut.
    4. d) Shut the door.
  16. 'A piece of cake' means:
    1. a) A difficult task
    2. b) A sweet dessert
    3. c) An easy task
    4. d) A small portion
  17. Which one is a correct sentence?
    1. a) One of my friend is going.
    2. b) One of my friends are going.
    3. c) One of my friends is going.
    4. d) One of my friend are going.
  18. The adjective form of 'Sun' is:
    1. a) Sunny
    2. b) Solar
    3. c) Sol
    4. d) Sunday
  19. Fill in the blank: 'I prefer tea ______ coffee.'
    1. a) than
    2. b) to
    3. c) over
    4. d) for
  20. What is the plural form of 'Datum'?
    1. a) Datums
    2. b) Data
    3. c) Datae
    4. d) Dati
  21. Where is the headquarters of the World Bank located?
    1. a) New York
    2. b) Washington D.C.
    3. c) Geneva
    4. d) Paris
  22. বাংলাদেশ গড়ার স্তম্ভ কয়টি?
    1. a) ৩টি
    2. b) ৪টি
    3. c) ৫টি
    4. d) ৬টি
  23. Which country is the largest trading partner of Bangladesh?
    1. a) India
    2. b) USA
    3. c) China
    4. d) Japan
  24. In which year did Bangladesh become a member of the United Nations?
    1. a) 1972
    2. b) 1973
    3. c) 1974
    4. d) 1975
  25. Which of the following countries is NOT a member of SAARC?
    1. a) Afghanistan
    2. b) Nepal
    3. c) Myanmar
    4. d) Bhutan
  26. What does RTGS stand for in banking?
    1. a) Real-Time Gross Settlement
    2. b) Rapid Transaction Gross System
    3. c) Reserve Transfer Gross System
    4. d) Real-Time General Settlement
  27. Which river separates Bangladesh from Myanmar?
    1. a) Naf
    2. b) Karnaphuli
    3. c) Teesta
    4. d) Halda
  28. Which index is primarily used to measure the inflation rate in a country?
    1. a) GDP
    2. b) CPI
    3. c) FDI
    4. d) HDI
  29. Which organization regulates the stock market in Bangladesh?
    1. a) Bangladesh Bank
    2. b) BSEC
    3. c) NBR
    4. d) DSE
  30. The Padma Multipurpose Bridge is how many kilometers long?
    1. a) 4.8 km
    2. b) 5.8 km
    3. c) 6.15 km
    4. d) 7.15 km
  31. Sum of Money doubles itself in 8 years at simple interest. What is the rate of Interest?
    1. a) 10%
    2. b) 12.50%
    3. c) 15%
    4. d) 20%
  32. If x+y=12 and xy=32, x²+y²=?
    1. a) 80
    2. b) 100
    3. c) 144
    4. d) 64
  33. A boat goes 24 km upstream and 28 km downstream in 6 hours. It goes 30 km upstream and 21 km downstream in 6.5 hours. What is the speed of…
    1. a) 10 km/h
    2. b) 4 km/h
    3. c) 8 km/h
    4. d) 6 km/h
  34. A can complete a piece of work in 10 days and B can complete the same work in 15 days. How many days will they take to complete the work…
    1. a) 5 days
    2. b) 6 days
    3. c) 7 days
    4. d) 10 days
  35. Two fair dice are rolled together. What is the probability that the sum of the numbers is 9?
    1. a) 1/12
    2. b) 1/6
    3. c) 1/9
    4. d) 1/18
  36. The sum of the interior angles of a hexagon is:
    1. a) 540°
    2. b) 720°
    3. c) 780°
    4. d) 900°
  37. If 3^x = 81, what is the value of x?
    1. a) 3
    2. b) 4
    3. c) 5
    4. d) 6
  38. A train 150 meters long is running at a speed of 60 km/h. How much time will it take to cross a man standing at a point?
    1. a) 5 s
    2. b) 6 s
    3. c) 9 s
    4. d) 15 s
  39. The price of a shirt is increased by 20% and then decreased by 20%. What is the net change in price?
    1. a) 0%
    2. b) 4% increase
    3. c) 4% decrease
    4. d) 2% decrease
  40. The perimeter of a rectangle is 40 cm and its length is 12 cm. What is its area?
    1. a) 96 sq cm
    2. b) 144
    3. c) 80
    4. d) 100
  41. কোন প্রসেস শিডিউলিং অ্যালগরিদমে ‘Starvation’ সমস্যা দেখা যায়?
    1. a) FCFS (First Come First Serve)
    2. b) Round Robin (RR)
    3. c) SJF (Shortest Job First)
    4. d) FIFO (First In First Out)
  42. Which processor architecture is most power efficient?
    1. a) CISC (Complex Instruction Set Computer)
    2. b) RISC (Reduced Instruction Set Computer)
    3. c) VLIW (Very Long Instruction Word)
    4. d) EPIC (Explicitly Parallel Instruction Computing)
  43. Which is an extremely fast memory located near the CPU?
    1. a) Cache Memory
    2. b) RAM (Random Access Memory)
    3. c) ROM (Read-Only Memory)
    4. d) Secondary Memory
  44. Where is the Boot Sector file located in a storage system?
    1. a) RAM (Random Access Memory)
    2. b) ROM (Read-Only Memory)
    3. c) Cache Memory
    4. d) Hard Disk
  45. X + XY = X, this equation represents which Boolean law?
    1. a) Commutative Law
    2. b) Associative Law
    3. c) Absorption Law
    4. d) Distributive Law
  46. Convert (1E.53)_16 to the Octal system (?)_8:
    1. a) (36.256)_8
    2. b) (37.246)_8
    3. c) (35.246)_8
    4. d) (36.246)_8
  47. Which protocol transfers web pages to the browser?
    1. a) FTP (File Transfer Protocol)
    2. b) SMTP (Simple Mail Transfer Protocol)
    3. c) HTTP/HTTPS (Hypertext Transfer Protocol/Secure)
    4. d) DNS (Domain Name System)
  48. What primary problem does an API Gateway solve?
    1. a) Database Storage and Data Backup
    2. b) User Interface Design and Frontend Development
    3. c) Source Code Compilation and Debugging
    4. d) Request Routing, Authentication, Rate Limiting, and Load Balancing
  49. Which protocol is used to assign IP addresses dynamically?
    1. a) DNS (Domain Name System)
    2. b) FTP (File Transfer Protocol)
    3. c) HTTP (Hypertext Transfer Protocol)
    4. d) DHCP (Dynamic Host Configuration Protocol)
  50. What security mechanism is added when using Multi-Factor Authentication (MFA)?
    1. a) Password + Username
    2. b) Password + Security Question
    3. c) Username + Email Address
    4. d) Password + Biometrics
  51. How does HTTPS differ from HTTP?
    1. a) HTTPS is encrypted and secure
    2. b) HTTPS is faster but not secure
    3. c) HTTP is encrypted while HTTPS is not
    4. d) HTTP and HTTPS have no security difference
  52. Which type of inheritance is NOT supported in Java (using classes)?
    1. a) Single Inheritance
    2. b) Multilevel Inheritance
    3. c) Hierarchical Inheritance
    4. d) Multiple Inheritance
  53. Which is a primary client-side scripting language?
    1. a) Python
    2. b) JavaScript
    3. c) Java
    4. d) C++
  54. What is a harmful program that disguises itself as legitimate software?
    1. a) Worm
    2. b) Spyware
    3. c) Trojan Horse
    4. d) Adware

Written (19)

  1. Focus Writing in Bangla: বাংলাদেশের ব্যাংকিং খাতে চতুর্থ শিল্পবিপ্লবের (4th Industrial Revolution) প্রভাব: ডিজিটাল রূপান্তরের সম্ভাবনা…
  2. Focus Writing in Englsih [sic]: The Importance of Digital Literacy in Expanding Cashless Transactions in Bangladesh: Discuss how digital…
  3. Translate the following passage into Bangla He decided to pull out of the agreement at the eleventh hour. This sudden move took everyone…
  4. General Knowledge 5.1 What is the full form of NPSB in the banking sector of Bangladesh? 5.2 Who is the architect of the National Martyrs'…
  5. Why do modern processor designs favor a multi-stage pipelined approach over a single-cycle implementation?
  6. Explain the operational difference between Hashing and Encryption.
  7. Explain the difference between a "Compulsory Miss" (Cold Miss) and a "Capacity Miss" in cache memory.
  8. Consider the following relation: Employee(EmpID, Name, Department, Salary) Write an SQL query to retrieve the Department, the total number…
  9. Explain the difference between Unit Testing and Integration Testing.
  10. Why is a Circular Queue preferred over a Linear Queue in many operating systems? Explain with one example.
  11. What do the following specific HTTP status codes mean? Write down the exact standard text phrase for each: (a) 200: ____ (b) 403: ____ (c)…
  12. Simplify the following boolean expression using 4 variable K-map: F(A,B,C,D) = Σm(0,3,5,7,8,10,11,12,13,14,15). Draw the K-map grid…
  13. Five channels, each with a 100-kHz bandwidth, are to be multiplexed together. What is the minimum bandwidth of the link if there is a need…
  14. An organization is granted the IPv4 network block 14.24.74.0/24 and needs to segment it into two subnets: Subnet A (requires 120…
  15. A startup company wants to launch a new web application. They do not want to manage any underlying hardware, operating systems, or even…
  16. Define the following terms used in tree data structures: (i) Tree, (ii) Leaf Node, (iii) Internal Node, and (iv) Height of a Tree. Provide…
  17. Consider the following Java program and determine the integer value printed by the execution of the main() method. class Test { static int…
  18. An array contains one million sorted integers. Which searching algorithm would you choose to find a given element? Justify your answer.
  19. Consider the grammar: E → E + E | E * E | id Show that the grammar is ambiguous for the string: id + id * id

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