Important Questions for RRB Technician Exam, Know the Answers

Candidates preparing for the RRB Technician Exam in 2025 should be aware of the difficulty level of the questions that will be asked. Questions are asked from subjects like Mathematics, General Intelligence and Reasoning, General Science, and General Awareness. The computer-based test is conducted for 100 marks for the Technician Grade 1 and 3 posts. This article provides candidates with an overview of the key questions for the RRB Technician Exam.

RRB Technician Exam 2025

The last date to apply for the RRB Technician Exam is 28th July, 2025. Before applying for the exam, it is important to know the details as mentioned in the official RRB Technician Notification 2025:

ParametersDetails
OrganizationRailway Recruitment Board (RRB)
Post NameTechnician (Grade 1 Signal and Grade 3)
RRB Technician Recruitment 2025 Released
RRB Technician 2025 Vacancy6,238 
RRB Technician Exam DateTo be released
Application ModeOnline
Application Starts28th June, 2025
RRB Technician Last Date28th July, 2025
Selection ProcessComputer-Based Test
Document Verification
Medical Exam
Mode of ExamOnline
SalaryGrade 1 Signal – Rs. 29,200; Grade 3 Signal – Rs. 19,900
Official Websitehttps://www.rrbapply.gov.in

Important Questions for RRB Technician Exam

We have compiled a list of the most important questions that are commonly asked in the RRB Technician Exam. Candidates will get an idea about the type of questions asked and can prepare accordingly:

Section 1: Mathematics

  1. Simplify: 856 ÷ 4 + 73 × 2
    ➤ Ans: 214 + 146 = 360
  2. Square root of 6400:
    ➤ Ans: 80
  3. HCF of 36 and 48:
    ➤ Ans: 12
  4. 0.75 as a fraction:
    ➤ Ans: 3/4
  5. If x + 1/x = 5, then x² + 1/x² = ?
    ➤ Ans: 25 − 2 = 23
  6. Simple interest on ₹4000 at 5% for 3 years:
    ➤ Ans: (4000×5×3)/100 = ₹600
  7. 25% of 160:
    ➤ Ans: (25/100)×160 = 40
  8. Speed = Distance/Time: 120 km in 2 hours
    ➤ Ans: 60 km/h
  9. If 4 pens = ₹60, cost of 10 pens = ?
    ➤ Ans: (60/4)×10 = ₹150
  10. 10% discount on ₹1500:
    ➤ Ans: ₹1500 − ₹150 = ₹1350
  11. Net % change for +20% and −20%:
    ➤ Ans: −4% (formula: x − y − (xy/100))
  12. Work: A = 6 days, B = 8 days; A + B = ?
    ➤ Ans: (6×8)/(6+8) = 3.43 days
  13. LCM of 12, 15, 20:
    ➤ Ans: 60
  14. 3.25 into %:
    ➤ Ans: 3.25 × 100 = 325%
  15. Area of triangle = ½ × base × height:
    ➤ Ans: ½ × 10 × 8 = 40 cm²
  16. Perimeter = 48 cm; Side = ?
    ➤ Ans: 48/4 = 12 cm
  17. (a+b)² = ? when a=2, b=3
    ➤ Ans: 2² + 2×2×3 + 3² = 4 + 12 + 9 = 25
  18. x² − 5x + 6 = 0 roots:
    ➤ Ans: x = 2, 3
  19. CI on ₹5000 at 10% for 2 years:
    ➤ Ans: ₹5000×(1.1)² − 5000 = ₹6050 − ₹5000 = ₹1050
  20. Boat downstream = 3 hr, upstream = 5 hr; Speed = ?
    ➤ Ans: Speed in still water = (D/3 + D/5)/2 = (8D/15)/2 = 4D/15

Section 2: General Intelligence & Reasoning

  1. If CAT = XZG, then DOG = ?
    ➤ Ans: WLT
  2. Odd one: Apple, Mango, Banana, Carrot
    ➤ Ans: Carrot (vegetable)
  3. Series: 2, 6, 12, 20, ?
    ➤ Ans: 30 (Add 4, 6, 8, 10…)
  4. Mirror image of ‘TECH’:
    ➤ Ans: Horizontal reversal of letters
  5. Next: 1, 4, 9, 16, 25, ?
    ➤ Ans: 36
  6. FLOWER → GNPUFS, then GARDEN → ?
    ➤ Ans: HBSEFO
  7. Odd: Circle, Square, Rectangle, Triangle
    ➤ Ans: Circle (No sides)
  8. 6 : 36 :: 9 : ?
    ➤ Ans: 81 (6² = 36, 9² = 81)
  9. A, D, G, J, ?
    ➤ Ans: M (+3 each)
  10. 2, 5, 10, 17, ?
    ➤ Ans: 26 (+3, +5, +7, +9…)
  11. 2+3=13, 3+4=25, then 5+6=?
    ➤ Ans: 5+6 = 11; 11²−1 = 120
  12. Order: Ear, Head, Brain, Body
    ➤ Ans: Body → Head → Ear → Brain
  13. TODAY → UPEBZ, NIGHT = ?
    ➤ Ans: OJHIU
  14. Odd: Pen, Pencil, Book, Eraser
    ➤ Ans: Book
  15. Odd one: Train, Bus, Plane, Tree
    ➤ Ans: Tree
  16. 3, 6, 18, 72, ?
    ➤ Ans: 72×4 = 288
  17. Doctor : Hospital :: Teacher : ?
    ➤ Ans: School
  18. Opposite of North-East:
    ➤ Ans: South-West
  19. One who speaks many languages:
    ➤ Ans: Polyglot
  20. Triangles in pentagon with 5 diagonals:
    ➤ Ans: 10

Section 3: General Science

  1. Chemical formula of water:
    ➤ Ans: H₂O
  2. Gas needed for photosynthesis:
    ➤ Ans: Carbon dioxide
  3. SI unit of force:
    ➤ Ans: Newton
  4. Newton’s First Law:
    ➤ Ans: Body stays at rest or in motion unless acted upon
  5. Vitamin D is called:
    ➤ Ans: Sunshine Vitamin
  6. Organ that purifies blood:
    ➤ Ans: Kidneys
  7. Speed of light:
    ➤ Ans: 3 × 10⁸ m/s
  8. pH of pure water:
    ➤ Ans: 7
  9. Gas in electric bulbs:
    ➤ Ans: Argon
  10. Function of chlorophyll:
    ➤ Ans: Absorbs sunlight
  11. Organ for breathing:
    ➤ Ans: Lungs
  12. Boiling point of water:
    ➤ Ans: 100°C
  13. Acid in lemon:
    ➤ Ans: Citric acid
  14. Hardest part in human body:
    ➤ Ans: Tooth enamel
  15. Smallest bone:
    ➤ Ans: Stapes (ear)
  16. Function of mitochondria:
    ➤ Ans: Powerhouse of the cell
  17. Unit of resistance:
    ➤ Ans: Ohm
  18. Non-metal that conducts electricity:
    ➤ Ans: Graphite
  19. Full form of DNA:
    ➤ Ans: Deoxyribonucleic Acid
  20. Basic unit of heredity:
    ➤ Ans: Gene

Section 4: General Awareness / Current Affairs

  1. President of India (2025):
    ➤ Ans: Droupadi Murmu
  2. ICC World Cup 2023 winner:
    ➤ Ans: Australia
  3. Capital of Sri Lanka:
    ➤ Ans: Sri Jayawardenepura Kotte
  4. World Environment Day:
    ➤ Ans: 5 June
  5. UK Prime Minister (2025):
    ➤ Ans: Rishi Sunak
  6. Currency of Japan:
    ➤ Ans: Yen
  7. Tagline of Indian Railways:
    ➤ Ans: Lifeline of the Nation
  8. CM of West Bengal (2025):
    ➤ Ans: Mamata Banerjee
  9. ISRO HQ is in:
    ➤ Ans: Bengaluru
  10. National Anthem written by:
    ➤ Ans: Rabindranath Tagore
  11. Full form of GDP:
    ➤ Ans: Gross Domestic Product
  12. First Indian satellite:
    ➤ Ans: Aryabhata
  13. CEO of Tesla:
    ➤ Ans: Elon Musk
  14. Statue of Unity is in:
    ➤ Ans: Gujarat
  15. Ganga of the South:
    ➤ Ans: Godavari
  16. Republic Day of India:
    ➤ Ans: 26 January
  17. Nobel Peace Prize (2014, Indian):
    ➤ Ans: Kailash Satyarthi
  18. UNESCO HQ:
    ➤ Ans: Paris, France
  19. Railway Minister (2025):
    ➤ Ans: Ashwini Vaishnaw
  20. Silicon Valley of India:
    ➤ Ans: Bengaluru

Section 5: Basic Computer and Applications (20 Q&A)

  1. CPU stands for:
    ➤ Ans: Central Processing Unit
  2. Shortcut to copy:
    ➤ Ans: Ctrl + C
  3. Full form of RAM:
    ➤ Ans: Random Access Memory
  4. WWW stands for:
    ➤ Ans: World Wide Web
  5. Function of MS Word:
    ➤ Ans: Word Processing
  6. Example of input device:
    ➤ Ans: Keyboard
  7. Brain of the computer:
    ➤ Ans: CPU
  8. Full form of USB:
    ➤ Ans: Universal Serial Bus
  9. What is an OS?
    ➤ Ans: Operating System
  10. Language used in web designing:
    ➤ Ans: HTML
  11. Shortcut to save:
    ➤ Ans: Ctrl + S
  12. Spreadsheet software:
    ➤ Ans: MS Excel
  13. What is phishing?
    ➤ Ans: Fake attempt to steal information
  14. Use of printer:
    ➤ Ans: Print documents
  15. Expand HTTP:
    ➤ Ans: Hypertext Transfer Protocol
  16. What is software?
    ➤ Ans: Set of programs
  17. Example of a computer virus:
    ➤ Ans: Trojan Horse
  18. Ctrl + Z function:
    ➤ Ans: Undo
  19. Cloud computing means:
    ➤ Ans: Storing and accessing data online
  20. Function of firewall:
    ➤ Ans: Blocks unauthorized access

Preparation Tips for RRB Technician Exam

We have provided certain important preparation tips for the RRB Technician Exam. Candidates must follow these tips to ace the exam and qualify for it in the first attempt:

  • Cover the entire RRB Technician Syllabus and identify the important topics
  • Understand the latest exam pattern properly
  • Familiarize yourself with the marks distribution of the exam
  • Attempt mock tests regularly to track your performance level
  • Solve the RRB Technician Previous Year Papers to understand the difficulty level
  • Make a study plan of at least 8-9 hours daily
  • Avoid any kind of distractions during the exam preparation
  • Stay hydrated to improve your concentration level

This article aims to provide an idea about the difficulty level of the questions asked in the RRB Technician Exam. To read more such articles, visit our Oliveboard website.

FAQs

Q.1 What are the important topics in the RRB Technician Exam?

Questions are asked from subjects like Mathematics, General Intelligence and Reasoning, General Science, and General Awareness.

Q.2 Should I attempt mock tests regularly for the examination?

Yes, it is recommended to attempt mock tests daily to monitor your performance and identify your weak areas.

Q.3 What are the total marks of the RRB Technician Exam?

The computer-based test is conducted for a total of 100 marks.

Q.4 How many vacancies are there for RRB Technician posts in 2025?

There are 6,238 vacancies for the RRB Technician posts in 2025.

Q.5 What is the last date to apply for the technician exam in 2025?

The last date to apply for the RRB Technician Exam is 28th July, 2025.



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