Railway RPF SI & Constable Mock Test 2026 – Free Practice Quiz with Answers (Set 17)

Welcome to Railway RPF SI & Constable Mock Test 2026 – Free Practice Quiz with Answers (Set 17), your comprehensive online practice test prepared specifically for government competitive exam aspirants. This Railway RPF mock test features 50 exam-standard multiple choice questions covering key topics with detailed solutions and answer explanations. Practicing mock quizzes regularly is the proven strategy to enhance your solving speed, eliminate exam anxiety, and master time management for high-stakes recruitment examinations.

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  • Latest Syllabus & Pattern: Every question strictly aligns with the updated syllabus and previous year exam trends for Railway RPF.
  • Multi-Subject Balance: Curated mix of Quantitative Aptitude, Logical Reasoning, General Awareness, and Language skills to simulate the actual paper.
  • Comprehensive Explanations: Step-by-step mathematical derivations and factual references provided for conceptual clarity.
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Exam Instructions & Marking Scheme

⏱ Recommended Duration: 60 minutes

📋 Total Questions: 50 Multiple Choice Questions (4 Options each)

⚖️ Marking Scheme: +2 for correct answer, -0.50 for incorrect answer

💡 Strategy Tip: Read each question carefully. Do not spend more than 60 seconds on any single question on the first pass. Mark doubtful questions for review.

Railway RPF Mock Test – 50 Practice Questions

  1. Q1. Which cell organelle contains digestive enzymes and is nicknamed the 'Suicide Bag of the Cell'?

    (A) Lysosome    (B) Mitochondria    (C) Ribosome    (D) Centrosome

  2. Q2. Give one word for: 'A person who loves and collects books passionately'

    (A) Bibliophile    (B) Philatelist    (C) Numismatist    (D) Polyglot

  3. Q3. A train of length 240 metres crosses a platform of length 200 metres in 32 seconds. What is the speed of the train in km/h?

    (A) 40 km/h    (B) 50 km/h    (C) 62 km/h    (D) 70 km/h

  4. Q4. In a class of 34 students standing in a single row, Aman is ranked 14th from the left end. What is his rank from the right end?

    (A) 19th    (B) 21th    (C) 23th    (D) 24th

  5. Q5. Which Article of the Constitution of India provides for the imposition of President's Rule in a State upon failure of constitutional machinery.

    (A) Article 356    (B) Article 15    (C) Article 44    (D) Article 51A

  6. Q6. What is the SI unit of electric potential difference (Voltage)?

    (A) Volt    (B) Ampere    (C) Watt    (D) Joule

  7. Q7. Select the correctly spelt word from the options:

    (A) Bureaucracy    (B) Beurocracy    (C) Bureaucrasy    (D) Burocracy

  8. Q8. Calculate the Simple Interest on a principal amount of Rs 5,000 invested at an annual interest rate of 8% for a duration of 3 years:

    (A) Rs 1,080    (B) Rs 1,200    (C) Rs 1,400    (D) Rs 1,550

  9. Q9. Find the missing term in the sequence: 5, 11, 23, 47, ?

    (A) 91    (B) 95    (C) 101    (D) 105

  10. Q10. Which Article of the Constitution of India empowers citizens to approach the Supreme Court directly for enforcement of Fundamental Rights.

    (A) Article 32    (B) Article 15    (C) Article 44    (D) Article 51A

  11. Q11. Which blood cells are responsible for carrying oxygen from the lungs to the body tissues?

    (A) Red Blood Cells (Erythrocytes)    (B) White Blood Cells    (C) Platelets    (D) Plasma

  12. Q12. Choose the word that is most opposite in meaning (Antonym) to 'METICULOUS':

    (A) Careless / Sloppy    (B) Accurate    (C) Diligent    (D) Cautious

  13. Q13. A shopkeeper purchases an item for Rs 1200 and marks it up to sell at a profit of 20%. What is the selling price of the article?

    (A) Rs 1400    (B) Rs 1440    (C) Rs 1490    (D) Rs 1540

  14. Q14. If in a secret code language 'VICTORY' is written as 'WJDUPSZ', how will the word 'SUCCESS' be coded in that system?

    (A) TVDDFFT    (B) TVDDFTT    (C) TVDDETT    (D) TUDDFFT

  15. Q15. Which Article of the Constitution of India guarantees six fundamental freedoms including Freedom of Speech and Expression.

    (A) Article 19    (B) Article 15    (C) Article 44    (D) Article 51A

  16. Q16. Which optical phenomenon is primarily responsible for the twinkling of stars in the night sky?

    (A) Atmospheric Refraction    (B) Total Internal Reflection    (C) Dispersion    (D) Scattering

  17. Q17. Who was the first Governor-General of independent India in 1947?

    (A) Lord Mountbatten    (B) C. Rajagopalachari    (C) Dr. Rajendra Prasad    (D) Jawaharlal Nehru

  18. Q18. A train of length 210 metres crosses a platform of length 200 metres in 28 seconds. What is the speed of the train in km/h?

    (A) 43 km/h    (B) 53 km/h    (C) 65 km/h    (D) 73 km/h

  19. Q19. In a class of 39 students standing in a single row, Aman is ranked 13th from the left end. What is his rank from the right end?

    (A) 25th    (B) 27th    (C) 29th    (D) 30th

  20. Q20. Which Article of the Constitution of India lays down the procedure for amending the Constitution by the Parliament.

    (A) Article 368    (B) Article 15    (C) Article 44    (D) Article 51A

  21. Q21. Which metal is liquid at standard room temperature and pressure?

    (A) Mercury (Hg)    (B) Bromine    (C) Gallium    (D) Sodium

  22. Q22. Which international organization publishes the annual 'World Economic Outlook' report?

    (A) International Monetary Fund (IMF)    (B) World Bank    (C) WTO    (D) WEF

  23. Q23. Calculate the Simple Interest on a principal amount of Rs 8,000 invested at an annual interest rate of 8% for a duration of 3 years:

    (A) Rs 1,800    (B) Rs 1,920    (C) Rs 2,120    (D) Rs 2,270

  24. Q24. Find the missing term in the sequence: 2, 5, 11, 23, ?

    (A) 43    (B) 47    (C) 53    (D) 57

  25. Q25. Which Article of the Constitution of India empowers the President of India to promulgate Ordinances during the recess of Parliament.

    (A) Article 123    (B) Article 15    (C) Article 44    (D) Article 51A

  26. Q26. What is the chemical formula for common household Bleaching Powder?

    (A) CaOCl2    (B) CaCO3    (C) CaSO4    (D) CaCl2

  27. Q27. In which year did the historic Jallianwala Bagh massacre take place in Amritsar?

    (A) 1919 (13th April)    (B) 1920    (C) 1918    (D) 1922

  28. Q28. A shopkeeper purchases an item for Rs 1000 and marks it up to sell at a profit of 20%. What is the selling price of the article?

    (A) Rs 1160    (B) Rs 1200    (C) Rs 1250    (D) Rs 1300

  29. Q29. If in a secret code language 'VICTORY' is written as 'WJDUPSZ', how will the word 'SUCCESS' be coded in that system?

    (A) TVDDFFT    (B) TVDDFTT    (C) TVDDETT    (D) TUDDFFT

  30. Q30. Which Article of the Constitution of India protects Right to Life and Personal Liberty except according to procedure established by law.

    (A) Article 21    (B) Article 15    (C) Article 44    (D) Article 51A

  31. Q31. Which cell organelle contains digestive enzymes and is nicknamed the 'Suicide Bag of the Cell'?

    (A) Lysosome    (B) Mitochondria    (C) Ribosome    (D) Centrosome

  32. Q32. Give one word for: 'A person who loves and collects books passionately'

    (A) Bibliophile    (B) Philatelist    (C) Numismatist    (D) Polyglot

  33. Q33. A train of length 180 metres crosses a platform of length 200 metres in 24 seconds. What is the speed of the train in km/h?

    (A) 47 km/h    (B) 57 km/h    (C) 69 km/h    (D) 77 km/h

  34. Q34. In a class of 34 students standing in a single row, Aman is ranked 12th from the left end. What is his rank from the right end?

    (A) 21th    (B) 23th    (C) 25th    (D) 26th

  35. Q35. Which Article of the Constitution of India guarantees Equality before Law and Equal Protection of the Laws within the territory of India.

    (A) Article 14    (B) Article 15    (C) Article 44    (D) Article 51A

  36. Q36. What is the SI unit of electric potential difference (Voltage)?

    (A) Volt    (B) Ampere    (C) Watt    (D) Joule

  37. Q37. Select the correctly spelt word from the options:

    (A) Bureaucracy    (B) Beurocracy    (C) Bureaucrasy    (D) Burocracy

  38. Q38. Calculate the Simple Interest on a principal amount of Rs 7,000 invested at an annual interest rate of 8% for a duration of 3 years:

    (A) Rs 1,560    (B) Rs 1,680    (C) Rs 1,880    (D) Rs 2,030

  39. Q39. Find the missing term in the sequence: 5, 11, 23, 47, ?

    (A) 91    (B) 95    (C) 101    (D) 105

  40. Q40. Which Article of the Constitution of India provides for the imposition of President's Rule in a State upon failure of constitutional machinery.

    (A) Article 356    (B) Article 15    (C) Article 44    (D) Article 51A

  41. Q41. Which blood cells are responsible for carrying oxygen from the lungs to the body tissues?

    (A) Red Blood Cells (Erythrocytes)    (B) White Blood Cells    (C) Platelets    (D) Plasma

  42. Q42. Choose the word that is most opposite in meaning (Antonym) to 'METICULOUS':

    (A) Careless / Sloppy    (B) Accurate    (C) Diligent    (D) Cautious

  43. Q43. A shopkeeper purchases an item for Rs 1600 and marks it up to sell at a profit of 20%. What is the selling price of the article?

    (A) Rs 1880    (B) Rs 1920    (C) Rs 1970    (D) Rs 2020

  44. Q44. If in a secret code language 'VICTORY' is written as 'WJDUPSZ', how will the word 'SUCCESS' be coded in that system?

    (A) TVDDFFT    (B) TVDDFTT    (C) TVDDETT    (D) TUDDFFT

  45. Q45. Which Article of the Constitution of India empowers citizens to approach the Supreme Court directly for enforcement of Fundamental Rights.

    (A) Article 32    (B) Article 15    (C) Article 44    (D) Article 51A

  46. Q46. Which optical phenomenon is primarily responsible for the twinkling of stars in the night sky?

    (A) Atmospheric Refraction    (B) Total Internal Reflection    (C) Dispersion    (D) Scattering

  47. Q47. Who was the first Governor-General of independent India in 1947?

    (A) Lord Mountbatten    (B) C. Rajagopalachari    (C) Dr. Rajendra Prasad    (D) Jawaharlal Nehru

  48. Q48. A train of length 150 metres crosses a platform of length 200 metres in 20 seconds. What is the speed of the train in km/h?

    (A) 53 km/h    (B) 63 km/h    (C) 75 km/h    (D) 83 km/h

  49. Q49. In a class of 39 students standing in a single row, Aman is ranked 11th from the left end. What is his rank from the right end?

    (A) 27th    (B) 29th    (C) 31th    (D) 32th

  50. Q50. Which Article of the Constitution of India guarantees six fundamental freedoms including Freedom of Speech and Expression.

    (A) Article 19    (B) Article 15    (C) Article 44    (D) Article 51A

Answer Key & Topic Breakdown

Q.No Correct Answer Subject / Topic Q.No Correct Answer Subject / Topic
1 (A) Lysosome General Science - Biology 26 (A) CaOCl2 General Science - Chemistry
2 (A) Bibliophile English - One Word Substitution 27 (A) 1919 (13th April) History - Freedom Struggle
3 (B) 50 km/h Quant - Speed, Time & Distance 28 (B) Rs 1200 Quant - Profit & Loss
4 (B) 21th Reasoning - Order & Ranking 29 (A) TVDDFFT Reasoning - Coding Decoding
5 (A) Article 356 Polity - State Emergency / President's Rule 30 (A) Article 21 Polity - Protection of Life
6 (A) Volt General Science - Physics 31 (A) Lysosome General Science - Biology
7 (A) Bureaucracy English - Spelling Test 32 (A) Bibliophile English - One Word Substitution
8 (B) Rs 1,200 Quant - Simple Interest 33 (B) 57 km/h Quant - Speed, Time & Distance
9 (B) 95 Reasoning - Number Series 34 (B) 23th Reasoning - Order & Ranking
10 (A) Article 32 Polity - Right to Constitutional Remedies 35 (A) Article 14 Polity - Right to Equality
11 (A) Red Blood Cells (Erythrocytes) General Science - Biology 36 (A) Volt General Science - Physics
12 (A) Careless / Sloppy English - Antonyms 37 (A) Bureaucracy English - Spelling Test
13 (B) Rs 1440 Quant - Profit & Loss 38 (B) Rs 1,680 Quant - Simple Interest
14 (A) TVDDFFT Reasoning - Coding Decoding 39 (B) 95 Reasoning - Number Series
15 (A) Article 19 Polity - Right to Freedom 40 (A) Article 356 Polity - State Emergency / President's Rule
16 (A) Atmospheric Refraction General Science - Physics 41 (A) Red Blood Cells (Erythrocytes) General Science - Biology
17 (A) Lord Mountbatten History - Modern India 42 (A) Careless / Sloppy English - Antonyms
18 (B) 53 km/h Quant - Speed, Time & Distance 43 (B) Rs 1920 Quant - Profit & Loss
19 (B) 27th Reasoning - Order & Ranking 44 (A) TVDDFFT Reasoning - Coding Decoding
20 (A) Article 368 Polity - Constitutional Amendments 45 (A) Article 32 Polity - Right to Constitutional Remedies
21 (A) Mercury (Hg) General Science - Chemistry 46 (A) Atmospheric Refraction General Science - Physics
22 (A) International Monetary Fund (IMF) General Awareness - Global Bodies 47 (A) Lord Mountbatten History - Modern India
23 (B) Rs 1,920 Quant - Simple Interest 48 (B) 63 km/h Quant - Speed, Time & Distance
24 (B) 47 Reasoning - Number Series 49 (B) 29th Reasoning - Order & Ranking
25 (A) Article 123 Polity - President's Legislative Powers 50 (A) Article 19 Polity - Right to Freedom

Detailed Solutions & Explanations

Q1 Explanation (General Science - Biology)

Lysosomes contain hydrolytic enzymes and break down waste materials, known as suicide bags.

Q2 Explanation (English - One Word Substitution)

A 'Bibliophile' is an enthusiastic lover or collector of books.

Q3 Explanation (Quant - Speed, Time & Distance)

Speed = Total Distance / Time = (240 + 200) / 32 = 13.75 m/s * (18/5) = 50 km/h.

Q4 Explanation (Reasoning - Order & Ranking)

Rank from Right = Total Students - Rank from Left + 1 = 34 - 14 + 1 = 21th.

Q5 Explanation (Polity - State Emergency / President's Rule)

Article 356 provides for the imposition of President's Rule in a State upon failure of constitutional machinery.

Q6 Explanation (General Science - Physics)

The SI unit of electric potential difference is Volt (V).

Q7 Explanation (English - Spelling Test)

'Bureaucracy' is correctly spelt as B-U-R-E-A-U-C-R-A-C-Y.

Q8 Explanation (Quant - Simple Interest)

Simple Interest = (P * R * T) / 100 = (5000 * 8 * 3) / 100 = Rs 1,200.

Q9 Explanation (Reasoning - Number Series)

Pattern: Multiply previous term by 2 and add 1 (x * 2 + 1). The next term is 95.

Q10 Explanation (Polity - Right to Constitutional Remedies)

Article 32 empowers citizens to approach the Supreme Court directly for enforcement of Fundamental Rights.

Q11 Explanation (General Science - Biology)

Erythrocytes contain hemoglobin, the iron-rich protein that binds and transports oxygen.

Q12 Explanation (English - Antonyms)

'Meticulous' means showing great attention to detail; its antonym is careless/sloppy.

Q13 Explanation (Quant - Profit & Loss)

Selling Price = Cost Price * (1 + Profit/100) = Rs 1200 * 1.20 = Rs 1440.

Q14 Explanation (Reasoning - Coding Decoding)

Each letter is shifted forward by +1: S->T, U->V, C->D, C->D, E->F, S->T, S->T -> TVDDFFT.

Q15 Explanation (Polity - Right to Freedom)

Article 19 guarantees six fundamental freedoms including Freedom of Speech and Expression.

Q16 Explanation (General Science - Physics)

Continuous atmospheric refraction through air layers of varying optical density causes stars to twinkle.

Q17 Explanation (History - Modern India)

Lord Mountbatten served as the first Governor-General of independent India from Aug 1947 to June 1948.

Q18 Explanation (Quant - Speed, Time & Distance)

Speed = Total Distance / Time = (210 + 200) / 28 = 14.64 m/s * (18/5) = 53 km/h.

Q19 Explanation (Reasoning - Order & Ranking)

Rank from Right = Total Students - Rank from Left + 1 = 39 - 13 + 1 = 27th.

Q20 Explanation (Polity - Constitutional Amendments)

Article 368 lays down the procedure for amending the Constitution by the Parliament.

Frequently Asked Questions (FAQs)

1. Is this Railway RPF mock test completely free to attempt?

Yes, all mock tests in this 120-set series are 100% free with no registration or hidden fees required. You can practice as many times as you like and share the quiz with fellow aspirants.

2. How does practicing 50-question mock tests help in exam preparation?

Solving timed 50-question sets builds mental stamina, improves speed-accuracy ratio, and helps you identify specific chapters where you lose marks before attempting full-length papers.

3. How should I analyze my performance after completing this quiz?

First calculate your net score using the official negative marking scheme. Then review every incorrect answer and unattempted question in our explanation section to ensure you master the underlying concept.

4. What is the recommended time allocation for this 50-question paper?

For most Tier-1/Prelims exams, allocate roughly 30 to 45 seconds for General Awareness questions, 50 seconds for Reasoning, and 60 to 75 seconds for Quantitative Aptitude problems.

5. Where can I find more sets in this government exam mock test series?

You can navigate to the previous and next practice sets using the series links below to cover all major recruitment exams including SSC, Railways, UPSC, Banking, and State PSCs.

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