- No data uploaded
- Instant results
RRB NTPC Mock Test
A timed 25-question mock for the RRB Non-Technical Popular Categories Examination covering number system & simplification, percentages, time, work & pipes, logical reasoning, indian polity, history & geography, physics. Answer, submit and review every question with its explanation; set negative marking to match your exam’s current scheme.
RRB NTPC mock test
25 questions · 1 mark each · the timer starts with your first answer and the test submits itself when time runs out.
-
Q1.Number System & SimplificationFind the LCM of 9 and 6.
Answer: C — 18
LCM(9, 6) = 18. Check: HCF × LCM = 3 × 18 = 54 = product of the numbers.
-
Q2.PercentagesThe price of an item changes from ₹175 to ₹189. What is the percentage change?
Answer: D — 8% increase
Change = 14 on a base of 175: 14/175 × 100 = 8% increase. Always divide by the ORIGINAL value.
-
Q3.Time, Work & PipesA can finish a job in 12 days and B in 4 days. Working together, how long will they take?
Answer: A — 3 days
Work per day = 1/12 + 1/4 = 16/48; together = 48/16 = 3 days.
-
Q4.Logical ReasoningFind the next letter: J, L, N, P, ?
Answer: D — R
The letters advance by 2 each time (skip 1).
-
Q5.Indian Polity, History & GeographyThe first Indian satellite was:
Answer: A — Aryabhata
Aryabhata was launched on 19 April 1975.
-
Q6.PhysicsThe unit of electrical resistance is the:
Answer: B — Ohm
Resistance is measured in ohms (Ω).
-
Q7.Number System & SimplificationFind the LCM of 30 and 70.
Answer: C — 210
LCM(30, 70) = 210. Check: HCF × LCM = 10 × 210 = 2100 = product of the numbers.
-
Q8.PercentagesTwo successive discounts of 30% and 20% are equivalent to a single discount of:
Answer: A — 44%
Net discount = a + b − ab/100 = 30 + 20 − 30×20/100 = 44%.
-
Q9.Logical ReasoningWhat is the angle between the hour and minute hands of a clock at 10:00?
Answer: C — 60°
Angle = |30H − 5.5M| = |30×10 − 5.5×0| = 300°; the smaller angle is 360 − that = 60°.
-
Q10.Indian Polity, History & GeographyWhich Article of the Constitution abolishes untouchability?
Answer: B — Article 17
Article 17 abolishes untouchability and forbids its practice.
-
Q11.PhysicsA body with initial velocity 14 m/s accelerates at 5 m/s² for 6 s. Find the distance covered.
Answer: B — 174 m
s = ut + ½at² = 14×6 + ½×5×6² = 174 m.
-
Q12.Number System & SimplificationFind the LCM of 33 and 33.
Answer: D — 33
LCM(33, 33) = 33. Check: HCF × LCM = 33 × 33 = 1089 = product of the numbers.
-
Q13.PercentagesTwo successive discounts of 30% and 5% are equivalent to a single discount of:
Answer: D — 33.5%
Net discount = a + b − ab/100 = 30 + 5 − 30×5/100 = 33.5%.
-
Q14.Time, Work & PipesPipe A fills a tank in 12 hours and pipe B empties it in 20 hours. If both are opened, the tank fills in:
Answer: D — 30 hours
Net rate = 1/12 − 1/20 = 8/240 of the tank per hour → 240/8 = 30 hours.
-
Q15.Logical ReasoningWhat day of the week was 24 October 2013?
Answer: D — Thursday
Using odd days (or Zeller’s rule), 24 October 2013 falls on a Thursday.
-
Q16.Indian Polity, History & GeographyThe Chipko Movement was primarily concerned with:
Answer: D — Protection of trees
Villagers hugged trees to stop logging in the Garhwal Himalayas (1970s).
-
Q17.PhysicsWhich law states that every action has an equal and opposite reaction?
Answer: A — Newton’s third law
Newton’s third law.
-
Q18.Number System & SimplificationFind the LCM of 42 and 63.
Answer: C — 126
LCM(42, 63) = 126. Check: HCF × LCM = 21 × 126 = 2646 = product of the numbers.
-
Q19.PercentagesThe price of an item changes from ₹350 to ₹490. What is the percentage change?
Answer: B — 40% increase
Change = 140 on a base of 350: 140/350 × 100 = 40% increase. Always divide by the ORIGINAL value.
-
Q20.Logical ReasoningWhat day of the week was 18 May 2006?
Answer: D — Thursday
Using odd days (or Zeller’s rule), 18 May 2006 falls on a Thursday.
-
Q21.Indian Polity, History & GeographyLothal, a Harappan site with a dockyard, is in present-day:
Answer: D — Gujarat
Lothal is in Gujarat.
-
Q22.PhysicsA current of 1.5 A flows through a 2 Ω resistor. What is the potential difference across it?
Answer: D — 3 V
Ohm’s law: V = IR = 1.5 × 2 = 3 V.
-
Q23.Number System & SimplificationFind the next number in the series: 2, 4, 8, 16, 32, ?
Answer: A — 64
Each term is multiplied by 2.
-
Q24.PercentagesThe price of an item changes from ₹150 to ₹180. What is the percentage change?
Answer: B — 20% increase
Change = 30 on a base of 150: 30/150 × 100 = 20% increase. Always divide by the ORIGINAL value.
-
Q25.Time, Work & PipesA can finish a job in 18 days and B in 36 days. Working together, how long will they take?
Answer: C — 12 days
Work per day = 1/18 + 1/36 = 54/648; together = 648/54 = 12 days.
How the mock test works
- The timer starts with your first answer; the test submits itself when time runs out.
- Choose the negative marking that matches your exam (many Indian exams deduct ¼ or ⅓ of a mark — check the official notification).
- After submitting you get your score, accuracy, time taken and a topic-wise breakdown, then every explanation.
- “New mock test” builds another paper — calculation questions get new numbers.
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.
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 |