Combined Bank Officer (IT) October 2024 – Preliminary (BIBM) question & solution

Questions from the Combined Bank Officer (IT) recruitment exam, October 2024 – Preliminary (BIBM), shared by the candidates who sat it. The paper: 100 MCQs. So far 95 MCQs have been shared. Topics include Bangla, English, Mathematics, General Knowledge and Data Structure.

MCQ (95)

  1. নিচের কোনটি বাগযন্ত্রের সাহায্যে উচ্চারিত হয়?
    1. a) শব্দ
    2. b) বর্ণ
    3. c) ধ্বনি
    4. d) ভাষা
  2. 'আবাদ' শব্দটি কোন ধরনের শব্দ?
    1. a) দেশী
    2. b) বিদেশী
    3. c) তৎসম
    4. d) তদ্ভব
  3. 'গীতাঞ্জলি' কোন সন্ধির উদাহরণ?
    1. a) সংস্কৃত স্বরসন্ধি
    2. b) সংস্কৃত ব্যঞ্জনসন্ধি
    3. c) সংস্কৃত বিসর্গ সন্ধি
    4. d) কোনোটিই নয়
  4. তৎপুরুষ সমাসের উদাহরণ কোনটি?
    1. a) বি-ভাত
    2. b) গমনাগমন
    3. c) তেমাথা
    4. d) জীবনানন্দ
  5. কথাটা অপূর্ব ঠিক বিশ্বাস করিতে পারিল না কোন বাচ্যের উদাহরণ?
    1. a) ভাববাচ্য
    2. b) কর্তৃবাচ্য
    3. c) কর্মবাচ্য
    4. d) কর্মকর্তৃবাচ্য
  6. কোন কবিকে 'নির্জনতার কবি' বলা হয়?
    1. a) বুদ্ধদেব বসু
    2. b) বিভূতিভূষণ
    3. c) জীবনানন্দ দাশ
    4. d) জসিমউদ্দিন
  7. কোন পত্রিকাটি কাজী নজরুল ইসলাম কর্তৃক সম্পাদিত?
    1. a) সবুজপত্র
    2. b) বিজলী
    3. c) কল্লোল
    4. d) নবযুগ
  8. 'শম' শব্দের অর্থ কি?
    1. a) সমীরণ
    2. b) শব
    3. c) শান্তি
    4. d) সমান
  9. নিচের কোনটি শুদ্ধ বাক্য?
    1. a) ইহার আবশ্যকতা নাই
    2. b) ইহা প্রমাণ হইয়াছে
    3. c) আমি সন্তোষ হইলাম
    4. d) তুমি নির্দোষীন
  10. Which of the following resembles OATH: PROMISE?
    1. a) Contract: Agreement
    2. b) Deed: Attorney
    3. c) Title: Estate
    4. d) Job: Loyalty
  11. Which of the following is the opposite of the word INGENIOUS?
    1. a) Crafty
    2. b) Inane
    3. c) Incompetent
    4. d) Skillful
  12. The synonym of ENIGMA is
    1. a) Obstruction
    2. b) Nonsense
    3. c) Flaw
    4. d) Puzzle
  13. Identify the word with correct spelling from the following options.
    1. a) Counterfet
    2. b) Counterfit
    3. c) Counterfiet
    4. d) Counterfeit
  14. Which underlined part of the following sentence is incorrect? I will always remember you standing by me and offering me encouragement.
    1. a) will
    2. b) always
    3. c) you
    4. d) standing
  15. Pick appropriate preposition and complete: 'The man is absorbed _____ meditation.'
    1. a) in
    2. b) by
    3. c) of
    4. d) for
  16. The phrase 'Prima facie' means-
    1. a) Primal face
    2. b) At first sight
    3. c) Main facilities
    4. d) Primitive man
  17. Pick appropriate word and complete the sentence: 'We asked him why he _____ telephoned earlier.'
    1. a) did not
    2. b) has not
    3. c) had not
    4. d) would not
  18. Fill in the blank with right option: 'I am looking forward ____ you.'
    1. a) to seeing
    2. b) seeing
    3. c) to see
    4. d) to have seen
  19. Select the correct sentence from the following options.
    1. a) The man was tall who stole my bag
    2. b) The man stole my bag who was tall
    3. c) The man who stole my bag was tall
    4. d) The man was tall who is stealing my bag
  20. If x/y = 1/3, then the value of (x² + y²)/(x² - y²) is-
    1. a) -10/9
    2. b) 5/4
    3. c) -5/4
    4. d) -5/3
  21. On a 2 km road, a total of 201 trees are planted on the side of the road at equal distances. How many such trees will be planted on a 50…
    1. a) 501
    2. b) 1000
    3. c) 5000
    4. d) 5001
  22. The total number obtained by a student in Physics, Chemistry and Mathematics together is 120 more than the marks obtained by him in…
    1. a) 40
    2. b) 60
    3. c) 120
    4. d) Cannot be determined
  23. A man borrowed some money for 120 days. He asked the banker for the money and the banker charged Tk.360 interest @6% per annum. What was…
    1. a) Tk. 18,000
    2. b) Tk.16,000
    3. c) Tk.15,000
    4. d) None of these
  24. A man bought some eggs of which 10% are rotten. He gives 80% of the remainder to his neighbors. Now he is left with 36 eggs. How many eggs…
    1. a) 40
    2. b) 100
    3. c) 200
    4. d) 72
  25. In a T-20 cricket match, the number of boundaries scored was twice the number of over boundaries by a team. The team took 22 single runs…
    1. a) 124
    2. b) 144
    3. c) 150
    4. d) 302
  26. The average temperature for the first 4-days of a week is 40.2° C and that of the last 4-days is 41.3° C. If the average temperature for…
    1. a) 38.5°C
    2. b) 41.8°C
    3. c) 41.3°CT
    4. d) 40.8°
  27. M is older than N but younger than O. If m, n and o are the ages of M, N and O respectively, then which of the following is true?
    1. a) n<m<o
    2. b) m<n<o
    3. c) 0<n<m
    4. d) o<m<n
  28. Two small circular parks of diameter 16 meter and 12 meter are to be replaced by a bigger circular park. What would be the radius of this…
    1. a) 20 meter
    2. b) 15 meter
    3. c) 10 meter
    4. d) 100 meter
  29. The area of a rectangle R with width 4 feet is equal to the area of a square S, which has a perimeter of 24 feet. The perimeter of the…
    1. a) 9 ft
    2. b) 16 ft
    3. c) 24 ft
    4. d) 26 ft
  30. When will Bangladesh exit from the LDC category?
    1. a) 2024
    2. b) 2025
    3. c) 2026
    4. d) 2027
  31. The documentary film, based on the liberation war, 'Rupali Shoikot' was directed by
    1. a) Alamgir Kabir
    2. b) Tanvir Mokammel
    3. c) Tanvir Kabir
    4. d) Tarek Masood
  32. In 1997, UNESCO declared the 'Sundarbans' as the-
    1. a) 798th World Heritage Site
    2. b) 997th World Heritage Site
    3. c) 879th World Heritage Site
    4. d) 789th World Heritage Site
  33. The highest densely populated country of the world is –
    1. a) Bangladesh
    2. b) China
    3. c) Monaco
    4. d) Indonesia
  34. The 2024 Summer Olympics will be hosted in —
    1. a) China
    2. b) France
    3. c) United Kingdom
    4. d) United States
  35. Which of the following ecosystem covers the largest area of the earth's surface?
    1. a) Desert Ecosystem
    2. b) Grassland Ecosystem
    3. c) Mountain Ecosystem
    4. d) Marine Ecosystem
  36. 'Thalassemia' is a hereditary disease affecting-
    1. a) Lungs
    2. b) Blood
    3. c) Heart
    4. d) Kidney
  37. Who is the founder of 'SpaceX'?
    1. a) Elon Musk
    2. b) Eric Yuan
    3. c) Ray Tomlinson
    4. d) Larry Page
  38. Martin Cooper is known for his invention of—
    1. a) Digital Camera
    2. b) X-ray
    3. c) Solar Energy
    4. d) Mobile Phone
  39. What is the name of the data center that EU unveils to probe crimes in Ukraine?
    1. a) Tulip
    2. b) Metro
    3. c) Game Changer
    4. d) None of these
  40. Considering computer memory speed, which one is the correct order from highest to lowest?
    1. a) RAM > Cache > Register > SSD > HDD
    2. b) Cache > RAM > SSD > HDD > Register
    3. c) RAM > SSD > Cache > HDD > Register
    4. d) Register > Cache > RAM > SSD > HDD
  41. In which flip flop the present input will be the next output?
    1. a) S-R
    2. b) J-K
    3. c) D
    4. d) T
  42. Complement of a regular set is-
    1. a) CFG
    2. b) regular
    3. c) CSG
    4. d) None of these
  43. Number of steps required to get 'aab' from A → aA | a | b—
    1. a) 4
    2. b) 3
    3. c) 2
    4. d) 1
  44. To keep track of how many frames have been allocated, how many are there, and how many are available, the operating system maintains a—
    1. a) Memory table
    2. b) Page table
    3. c) mapping table
    4. d) frame table
  45. A system has 6 identical resources and N processes competing for them. Each process can request at most 2 resources. Which one of the…
    1. a) 1
    2. b) 2
    3. c) 3
    4. d) 6
  46. A counting semaphore was initialized to 10. Then 6 wait operations and 4 signal operations were completed on this semaphore. The resulting…
    1. a) 0
    2. b) 10
    3. c) 8
    4. d) 12
  47. An increase in a computer's RAM leads to a typical improvement in performance because:
    1. a) Virtual memory increases
    2. b) Fewer segmentation faults occur
    3. c) A larger RAM is faster
    4. d) Fewer page faults occur
  48. Out of all the following, which one isn't a form of memory?
    1. a) translation lookaside buffer
    2. b) instruction opcode
    3. c) instruction register
    4. d) instruction cache
  49. A critical section is a program segment-
    1. a) which should run in a certain specified amount of time
    2. b) which avoids deadlocks
    3. c) where shared resources are accessed
    4. d) which must be enclosed by a pair of semaphore (wait and signal) operations
  50. Which of the following describes investigating moral conduct concerning the digital media landscape?
    1. a) Cyber law
    2. b) Cyber safety
    3. c) Cyber ethics
    4. d) Cyber security
  51. Which AI application involves teaching a computer to perform a task by example, rather than through explicit programming?
    1. a) Unsupervised learning
    2. b) Reinforcement learning
    3. c) Supervised learning
    4. d) Machine vision
  52. Which of the following statements best describes how the principle would be broken if a computer was no longer accessible?
    1. a) Availability
    2. b) Access control
    3. c) Confidentiality
    4. d) All of the above
  53. Which of these is the default port number for many web servers when using HTTPS?
    1. a) 443
    2. b) 80
    3. c) 20
    4. d) 40
  54. In a network, the response and transit time is used to assess-
    1. a) Reliability
    2. b) Longevity
    3. c) Performance
    4. d) Security
  55. What does cross-validation mean in AI?
    1. a) The process of validating the results of a neural network
    2. b) The process of training a model on multiple datasets
    3. c) The process of splitting data into training and testing sets
    4. d) The technique for evaluating model performance using multiple subsets of data
  56. What is the process of reducing the dimensionality of data while maintaining its essential characteristics?
    1. a) Gradient Boosting
    2. b) k-means clustering
    3. c) Principal Component Analysis
    4. d) Regression
  57. What does the term 'hyperparameter' refer to in AI?
    1. a) Parameter learned by the model during training
    2. b) Parameter that defines the structure of the model
    3. c) Parameter used to make prediction
    4. d) Parameter related to the loss function
  58. Which of the items listed below is the least strong security protocol?
    1. a) SFTP
    2. b) SMTP
    3. c) SSL
    4. d) HTTPS
  59. If every requirement can be checked by a cost-effective process, then software requirement specification (SRS) is called-
    1. a) Complete
    2. b) Traceable
    3. c) Verifiable
    4. d) Modifiable
  60. In a class definition with 10 methods, to make the class maximally cohesive, the number of connections required among the methods is-
    1. a) 90
    2. b) 100
    3. c) 10
    4. d) 45
  61. What type of variable should be used to store data that is important throughout an object's lifespan?
    1. a) A reference variable
    2. b) A method variable
    3. c) An instance variable
    4. d) A parameter variable
  62. Which of the following testing strategies is related to the boundary value analysis?
    1. a) White-box testing
    2. b) Black box testing
    3. c) White box and black box testing
    4. d) None of these
  63. Objective of integration testing is to find —
    1. a) design error
    2. b) functional error
    3. c) interface error
    4. d) coding error
  64. Cyclomatic complexity is a software metric used in —
    1. a) White box testing
    2. b) Black box testing
    3. c) Grey box testing
    4. d) None of these
  65. How many select lines would there be if the inputs of a MUX are 8?
    1. a) 2
    2. b) 3
    3. c) 4
    4. d) 5
  66. A decoder has four input lines. How many output lines will be there?
    1. a) 4
    2. b) 8
    3. c) 16
    4. d) 32
  67. What is the lowest number of NAND gates required to make an inverter?
    1. a) 1
    2. b) 2
    3. c) 3
    4. d) 4
  68. What is the result of the binary sum 10101+1011?
    1. a) 10000
    2. b) 101010
    3. c) 100000
    4. d) 111100
  69. In the worst case, the number of comparisons needed to search a singly linked list of length n for a given element is-
    1. a) log₂ n
    2. b) n/2
    3. c) n
    4. d) log₂ n − 1
  70. The minimum number of stacks needed to implement a queue is —
    1. a) 1
    2. b) 2
    3. c) 3
    4. d) 4
  71. Suppose the numbers 7, 5, 1, 8, 3, 6, 0, 9, 4, 2 are inserted in that order into an initially empty binary search tree. The binary search…
    1. a) 9 8 6 4 2 3 0 1 5 7
    2. b) 0 2 4 3 1 6 5 9 8 7
    3. c) 7 5 1 0 3 2 4 6 8 9
    4. d) 0 1 2 3 4 5 6 7 8 9
  72. Given a hash table with 25 slots that stores 2000 elements, the load factor for the hash table is-
    1. a) 0.012506
    2. b) 1.25
    3. c) 80
    4. d) 8000
  73. Which of the following sorting algorithms can be used to sort a random linked list with minimum time complexity?
    1. a) Insertion sort
    2. b) Quick sort
    3. c) Heap sort
    4. d) Merge sort
  74. Which of the following symbol table implementation is best suited if access time is to be minimum?
    1. a) Linear list
    2. b) Linked list
    3. c) Hash table
    4. d) Self-organizing list
  75. A binary search tree is constructed by inserting the numbers, 60 25 72 15 30 68 13 18 in order. The number of nodes in the left sub tree is-
    1. a) 4
    2. b) 5
    3. c) 6
    4. d) 8
  76. Suppose you are given a binary tree with 11 nodes, such that each node has exactly either zero or two children. The maximum height of the…
    1. a) 2
    2. b) 3
    3. c) 4
    4. d) 5
  77. Level order traversal of a rooted tree can be done by starting from root and performing-
    1. a) Deep search
    2. b) Root search
    3. c) Depth first search
    4. d) Breadth first search
  78. Which one is correct in case of normalization-
    1. a) Normalization maximizes duplicates
    2. b) Normalization reduces duplicates
    3. c) Normalization eliminates duplicates
    4. d) Normalization increases
  79. If attribute A determines both attributes B and C, then it is also true that—
    1. a) A→B
    2. b) B→ A
    3. c) C→A
    4. d) (BC) → A
  80. If a table is normalized so that all its determinants are candidate keys, then the table is in-
    1. a) 1NF
    2. b) 2NF
    3. c) 3NF
    4. d) BCNF
  81. Which statements are used to create the database structure?
    1. a) DML
    2. b) DDL
    3. c) BNF
    4. d) None of these
  82. Which of the following is not a DDL statement?
    1. a) Create
    2. b) Alter
    3. c) Drop
    4. d) Select
  83. Which for loop has the same range of indexes of 'i' as used in for (i = 0; i < n; i++)?
    1. a) for (i= n; i>0; i--)
    2. b) for (i=n-1; i>0; i--)
    3. c) for (i = 0; i = 0; i--)
    4. d) for (i=n-1; i>-1; i--)
  84. Data about data is called-
    1. a) Data dictionary
    2. b) Data bank
    3. c) Meta Data
    4. d) Warehouse
  85. A collection of objects that use a common structure and a common behavior is known as-
    1. a) Object
    2. b) Entity
    3. c) Instance
    4. d) Class
  86. Which one of these is not included in the ACID properties of a database?
    1. a) Atomicity
    2. b) Consistency
    3. c) Durability
    4. d) Display
  87. Which clause is required in an SQL query for getting information from a database?
    1. a) Update
    2. b) Select
    3. c) Create
    4. d) Isolation
  88. What will be the output of the following C code? int main(){ int x=20, y=10, z=5; printf("%d", x>y>z); return 0; }
    1. a) 20
    2. b) 10
    3. c) 0
    4. d) 1
  89. Which of the operations is eligible in a Pushdown Automaton?
    1. a) Delete
    2. b) Push
    3. c) Insert
    4. d) None of these
  90. The following method, which is intended to find the maximum element of the parameter array, is incorrect. When does it fail? public int…
    1. a) It fails whenever the array a contains a 0.
    2. b) It fails whenever the array a contains a negative number.
    3. c) It fails whenever the array a contains only negative numbers.
    4. d) It fails whenever the first element of the array a is the largest.
  91. An unsolicited e-mail message sent to many recipients at once is a-
    1. a) worm
    2. b) virus
    3. c) threat
    4. d) spam
  92. Read the following statement in a Java program that compiles and executes- submarine.dive (depth); What can you say for sure?
    1. a) depth must be an int
    2. b) dive must be the name of an instance field
    3. c) dive must be a method
    4. d) submarine must be the name of a class
  93. “বিবাহ করিতে আসিয়াছি বিবাহ করিয়া যাইব” কোন বাক্যের উদাহরণ?
    1. a) যৌগিক
    2. b) সরল
    3. c) জটিল
    4. d) নির্দেশক
  94. What is the main goal of reinforcement learning?
    1. a) To classify data into categories
    2. b) To optimize a system for maximum efficiency
    3. c) To make prediction based on historical data
    4. d) To learn optimal actions through trial and error
  95. Bluetooth is a type of radio wave information transmission system that is good for about—
    1. a) 30 feet
    2. b) 30 yards
    3. c) 30 miles
    4. d) 300 miles

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