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RRB ALP Practice Questions
Original practice questions for the RRB Assistant Loco Pilot Examination (Railway Recruitment Boards (RRB)), mixed across 5 topics with instant answers and explanations. Practise by topic below or take the timed mock test.
RRB ALP mixed practice
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Q1.Number System & SimplificationFind the HCF of 14 and 4.
Show answer & explanation
Answer: C — 2
HCF(14, 4) = 2. Check: HCF × LCM = 2 × 28 = 56 = product of the numbers.
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Q2.Logical ReasoningWhich number is the odd one out: 33, 39, 43, 55?
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Answer: D — 43
39, 33, 55 are composite; 43 is prime.
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Q3.PhysicsThe SI unit of force is the:
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Answer: D — Newton
1 newton = 1 kg·m/s².
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Q4.ChemistryA solution with pH 3 is:
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Answer: D — Acidic
pH below 7 is acidic.
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Q5.Indian Polity, History & GeographyWhich Article of the Constitution abolishes untouchability?
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Answer: A — Article 17
Article 17 abolishes untouchability and forbids its practice.
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Q6.Number System & SimplificationFind the next number in the series: 2, 4, 8, 14, 22, ?
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Answer: C — 32
Differences are 2, 4, 6, 8 → next difference 10.
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Q7.Logical ReasoningIf BOOK is coded as CPPL, how is TREE coded?
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Answer: A — USFF
Each letter moves 1 place forward in the alphabet (BOOK → CPPL), so TREE → USFF.
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Q8.PhysicsFind the power dissipated when 0.5 A flows through a 12 Ω resistor.
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Answer: B — 3 W
P = I²R = 0.5² × 12 = 3 W.
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Q9.ChemistryWhat is the mass of 1 mol of glucose (C₆H₁₂O₆)? (Molar mass 180 g/mol)
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Answer: B — 180 g
Mass = moles × molar mass = 1 × 180 g/mol = 180 g.
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Q10.Indian Polity, History & GeographyWhich Five-Year Plan is associated with the Mahalanobis model?
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Answer: C — Second
The Second Plan (1956–61) emphasised heavy industry using the Mahalanobis model.
About RRB ALP
RRB Assistant Loco Pilot Examination — conducted by Railway Recruitment Boards (RRB). Recruits Assistant Loco Pilots and technicians 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.
- Logical Reasoning questions — For coding questions write the letter positions (A = 1 … Z = 26).
- Physics questions — Write the formula before substituting and keep SI units throughout.
- Chemistry questions — Moles = mass ÷ molar mass; molarity = moles ÷ litres.
- 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.
- RRB ALP mock test — 25 timed questions with negative marking.
RRB ALP practice topics
| Topic | Section | Question source |
|---|---|---|
| Number System & Simplification | Quantitative aptitude | Calculated (new numbers every set) |
| Logical Reasoning | Reasoning | Calculated (new numbers every set) |
| Physics | Science | Calculated + question bank |
| Chemistry | Science | Calculated + question bank |
| Indian Polity, History & Geography | General awareness | Question bank |