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RRB NTPC Practice Questions
Original practice questions for the RRB Non-Technical Popular Categories Examination (Railway Recruitment Boards (RRB)), mixed across 6 topics with instant answers and explanations. Practise by topic below or take the timed mock test.
RRB NTPC mixed practice
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Q1.Number System & SimplificationWhat is √4,624?
Show answer & explanation
Answer: A — 68
68 × 68 = 4624, so √4624 = 68.
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Q2.PercentagesThe price of an item changes from ₹625 to ₹703.13. What is the percentage change?
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Answer: C — 12.5% increase
Change = 78.13 on a base of 625: 78.13/625 × 100 = 12.5% increase. Always divide by the ORIGINAL value.
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Q3.Time, Work & PipesA can finish a job in 8 days and B in 24 days. Working together, how long will they take?
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Answer: A — 6 days
Work per day = 1/8 + 1/24 = 32/192; together = 192/32 = 6 days.
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Q4.Logical ReasoningWhat day of the week was 13 April 2018?
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Answer: D — Friday
Using odd days (or Zeller’s rule), 13 April 2018 falls on a Friday.
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Q5.Indian Polity, History & GeographyWhich Article provides for the President’s election by an electoral college?
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Answer: A — Article 54
Article 54 describes the electoral college that elects the President.
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Q6.PhysicsAn object at rest stays at rest unless acted on by a net force. This is:
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Answer: A — Newton’s first law (inertia)
Newton’s first law, the law of inertia.
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Q7.Number System & SimplificationFind the HCF of 72 and 16.
Show answer & explanation
Answer: C — 8
HCF(72, 16) = 8. Check: HCF × LCM = 8 × 144 = 1152 = product of the numbers.
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Q8.PercentagesThe price of an item changes from ₹600 to ₹360. What is the percentage change?
Show answer & explanation
Answer: D — 40% decrease
Change = -240 on a base of 600: -240/600 × 100 = 40% decrease. Always divide by the ORIGINAL value.
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Q9.Logical ReasoningWhich number is the odd one out: 11, 35, 49, 63?
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Answer: D — 11
49, 63, 35 are composite; 11 is prime.
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Q10.Indian Polity, History & GeographyWhich pass connects Srinagar and Leh?
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Answer: C — Zoji La
Zoji La connects the Kashmir Valley with Ladakh.
About RRB NTPC
RRB Non-Technical Popular Categories Examination — conducted by Railway Recruitment Boards (RRB). Recruits clerks, station masters, goods guards and other non-technical posts for Indian Railways.
Original practice questions written for this site in the style and difficulty of each exam’s syllabus. They are not past papers and the site is not affiliated with any exam body. Exam patterns, marking schemes and syllabi change — always check the latest official notification.
Practise by topic
- Number System & Simplification questions — Learn squares to 30 and cubes to 15, apply BODMAS strictly, and use HCF × LCM = product of two numbers.
- Percentages questions — Convert percentages to fractions you know by heart (12.5% = 1/8, 37.5% = 3/8, 16.67% = 1/6) and always divide a change by the ORIGINAL value.
- Time, Work & Pipes questions — Turn each rate into work per day (1/10 of the job per day) or use the LCM of the days as total work.
- Logical Reasoning questions — For coding questions write the letter positions (A = 1 … Z = 26).
- Indian Polity, History & Geography questions — Anchor facts to the Constitution’s Parts and key Articles (III Fundamental Rights, IV DPSP, 32, 352, 356, 360) and build timelines for the freedom struggle.
- Physics questions — Write the formula before substituting and keep SI units throughout.
- RRB NTPC mock test — 25 timed questions with negative marking.
RRB NTPC practice topics
| Topic | Section | Question source |
|---|---|---|
| Number System & Simplification | Quantitative aptitude | Calculated (new numbers every set) |
| Percentages | Quantitative aptitude | Calculated (new numbers every set) |
| Time, Work & Pipes | Quantitative aptitude | Calculated (new numbers every set) |
| Logical Reasoning | Reasoning | Calculated (new numbers every set) |
| Indian Polity, History & Geography | General awareness | Question bank |
| Physics | Science | Calculated + question bank |