CNF Junior Computer Operator Model Past Paper 2025 PDF

 General Knowledge (Pakistan Affairs + Islamic Studies)
Q: Who delivered the speech in the court of King of Abyssinia?
Ans: Jaffer Bin Abi Talib (R.A)
Q: The Zakat was made compulsory in which Hijri year?
Ans: 2 AH
Q: What is the literal meaning of the word “Hadith”?
Ans: Sayings of the Holy Prophet (SAW)
Q: The incident of “Miraj” took place in which Hijri year?
Ans: 10th Nabvi
Q: At the time of creation of Pakistan, where was the Central Secretariat established?
Ans: Karachi
Q: What was the full name of Dr. Khan Sahib?
Ans: Abdul Jabbar Khan
Q: Who was the first Governor of Punjab after independence?
Ans: Sir Francis Mudie
Q: What is the total area of Pakistan?
Ans: 796,096 sq km
Q: Who was the first Permanent Representative of Pakistan to the UN?
Ans: Patras Bukhari
Q: Which is the rainiest place in Pakistan?
Ans: Murree
Q: The head office of WHO is located in:
Ans: Geneva, Switzerland
Q: When did the Iranian Revolution occur?
Ans: February 1979
Q: Which is the National Game of Pakistan?
Ans: Hockey
Q: “Formosa” is the old name of which country?
Ans: Taiwan

Job-Related Computer Science

Q1: All data is stored in computer memory in which form?
Ans: 0 and 1 (Binary)
Q2: Which shortcut key is used to “Select All” files in a folder?
Ans: Ctrl + A
Q3: Which shortcut key is used to check spelling in MS Word?
Ans: F7
Q4: “DNS” in computer terms stands for:
Ans: Domain Name Server
Q5: Which type of memory works like both RAM and ROM?
Ans: Flash Memory

English

Q: What does the idiom “Hit the nail on the head” mean?
Answer: To be exactly correct
Q: Find the error in this sentence: “We must help the poors.”
Answer: Poors (The correct form is “The poor”)
Q: What does the idiom “On the fence” mean?
Answer: Undecided or unable to make a decision
Q: Choose the correct preposition: “He is totally agreed _____ your proposal.”
Answer: With
Q: Change the sentence “She needs my help” into passive voice.
Answer: My help is needed by her.
Q: What is the synonym of “Advice”?
Answer: Counsel or Guidance
Q: What is the antonym of “Subversion”?
Answer: Equilibrium or Compliance
Q: Complete the sentence: “Twenty kilometres ____ a long distance to cover.”
Answer: Is (Distances are treated as singular)
Q: What does the idiom “Stabbed in the back” mean?
Answer: To be betrayed by someone trusted
Q: Choose the correct pronoun: “He is the one ____ wants a pen.”
Answer: Who
Q: What is the English translation of the Urdu word “Gumnaam”?
Ans: Anonymous
Q: Synonym of “Rapid” is:
Ans: Fast
Q: Antonym of “Honest” is:
Ans: Dishonest
Q: Choose the correct spelling:
Ans: Environment
Q: Fill in the blank: She ___ going to office daily.
Ans: is
Q: Synonym of “Brave” is:
Ans: Courageous

Arithmetic & Logical Reasoning 

Q: Complete the series: 5, 10, 20, 40, __?
Ans: 80
Q: If ZEBRA is written as 2652181, how is COBRA written?
Ans: 3152181
Q: Find the odd one out: 2, 4, 8, 16, 18
Ans: 18
Q: Ali is taller than Ahmad and Ahmad is taller than Bilal. Who is the tallest?
Ans: Ali
Q: If a − b = 3 and a² + b² = 29, find the value of ab:
Ans: 10
Q: 25% of 200 is:
Ans: 50
Q: If 5 + 3 × 2 = ?
Ans: 11
Q: The average of 2, 4, 6, 8 is:
Ans: 5
Q: Solve: 12 × 5 = ?
Ans: 60
Q: The perimeter of a rectangle is 40 cm. If the length is 12 cm, find the width:
Ans: 8 cm
Q: The area of a triangle with base 10 cm and height 5 cm is:
Ans: 25 cm²
Q: Solve for x: 2x + 5 = 15
Ans: x = 5
Q: Solve: 3x − 4 = 11
Ans: x = 5
Q: If the cost of 5 pens is Rs. 75, what is the cost of 8 pens?
Ans: Rs. 120
Q: 15% of 300 is:
Ans: 45
Q: A train travels 60 km in 1.5 hours. What is its speed?
Ans: 40 km/h
Q: A box contains 5 red, 3 blue, and 2 green balls. What is the probability of picking a red ball?
Ans: 5/10 or 1/2
Q: The difference between the largest and smallest of 5, 8, 2, 10, 7 is:
Ans: 8
Q: If 3 pencils cost Rs. 15, how much do 10 pencils cost?
Ans: Rs. 50
Q: Simplify: 50 ÷ (5 × 2)
Ans: 5
Q: If a box contains 12 apples and 8 oranges, what fraction of the fruits are oranges?
Ans: 8/20 = 2/5
Q: Find the LCM of 12 and 15:
Ans: 60
Q: Find the HCF of 18 and 24:
Ans: 6
Q: A shopkeeper sells an article at Rs. 120 after giving 20% discount. What was the marked price?
Ans: Rs. 150
Scenario 1: Sitting Arrangement
Five students (A, B, C, D, E) are sitting in a row.
  • ‘A’ is to the right of ‘B’
  • ‘E’ is to the left of ‘B’ but to the right of ‘C’
  • ‘A’ is to the left of ‘D’
Q: Who is sitting in the middle?
Ans: B
Q: Who is sitting at the extreme left?
Ans: C
Scenario 2: Coding & Decoding
In a certain code language, if “COMPUTER” is written as “RFUVQNPC”.
Q: How will “MEDICINE” be written in that code?
Ans: EOJDJEFM
(Logic: The word is reversed and each letter is moved one step forward except first and last.)
Scenario 3: Blood Relations
Q: Pointing to a photograph, a man said, “I have no brother or sister, but that man’s father is my father’s son.” Whose photograph was it?
Ans: His son’s photograph
Q: If A is the son of Q, Q and Y are sisters, Z is the mother of Y, and P is the son of Z, then which of the following statements is correct?
Ans: P is the maternal uncle of A
Scenario 4: Directions
Q: A man walks 5 km towards South and then turns to the right. After walking 3 km he turns to the left and walks 5 km. Now in which direction is he from the starting place?
Ans: South-West
Scenario 5: Logical Grouping
Seven people (P, Q, R, S, T, U, V) are being selected for a team. If P is selected, R must be selected. If S is selected, T cannot be selected.
Q: If S is in the team, which of the following cannot be in the team?
Ans: T
Q: If R is not selected, then who else cannot be selected?
Ans: P
Scenario 6: Number Series
Q: Complete the series: 7, 10, 8, 11, 9, 12, …?
Ans: 10
(Logic: Alternating pattern of +3 and -2)
Q: Find the odd one out: 27, 64, 125, 144, 216
Ans: 144
(Logic: All others are perfect cubes (3³, 4³, 5³, 6³), while 144 is a square)

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