RPF SI Previous Year Questions Set 1
- Who was the first Railway Minister of independent India?
- A) Lal Bahadur Shastri
- B) Jagjivan Ram
- C) John Mathai
- D) Sardar Patel
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Correct: Option C. Explanation: John Mathai became the first Railway Minister of independent India in 1947.
- The 2024 Olympic Games will be hosted by which city?
- A) Tokyo
- B) Paris
- C) Los Angeles
- D) Brisbane
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Correct: Option B. Explanation: Paris will host the 2024 Summer Olympics, officially known as the Games of the XXXIII Olympiad.
- Which article of the Indian Constitution deals with the Right to Equality?
- A) Art 15
- B) Art 19
- C) Art 14
- D) Art 21
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Correct: Option C. Explanation: Article 14 guarantees equality before the law and equal protection of the laws.
- The book “The Indian War of Independence 1857” was written by:
- A) V. D. Savarkar
- B) Bipin Chandra Pal
- C) Subhash Chandra Bose
- D) Lala Lajpat Rai
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Correct: Option A. Explanation: V. D. Savarkar authored this nationalist work on 1857 while in London.
- Which Indian state has the longest coastline?
- A) Tamil Nadu
- B) Maharashtra
- C) Gujarat
- D) Andhra Pradesh
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Correct: Option C. Explanation: Gujarat has about 1,600 km of coastline, the longest among Indian states.
- The currency of Argentina is:
- A) Peso
- B) Real
- C) Sol
- D) Bolívar
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Correct: Option A. Explanation: The Argentine Peso is the official currency.
- India’s first bullet train corridor (Mumbai–Ahmedabad) is funded majorly by:
- A) World Bank
- B) ADB
- C) JICA
- D) AIIB
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Correct: Option C. Explanation: Japan International Cooperation Agency (JICA) is providing the soft loan for the project.
- Which layer of the atmosphere contains the ozone layer?
- A) Troposphere
- B) Stratosphere
- C) Mesosphere
- D) Thermosphere
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Correct: Option B. Explanation: The ozone layer is primarily located in the lower Stratosphere.
- A train 200 m long passes a pole in 10 seconds. What is the speed of the train?
- A) 36 km/h
- B) 54 km/h
- C) 72 km/h
- D) 90 km/h
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Correct: Option C. Explanation: Speed = 200 m / 10 s = 20 m/s → 20 × 18/5 = 72 km/h.
- If x + 1/x = 5, then x² + 1/x² equals:
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Correct: Option A. Explanation: Square both sides: x² + 2 + 1/x² = 25 → x² + 1/x² = 23.
- The average of 11 numbers is 50. If one number is excluded, the average becomes 48. The excluded number is:
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Correct: Option B. Explanation: Total of 11 numbers = 550; total of 10 numbers = 480; excluded = 550 – 480 = 70.
- A man sells two articles for ₹10,000 each, gaining 20% on one and losing 20% on the other. Overall he:
- A) gains ₹500
- B) loses ₹500
- C) gains ₹1,000
- D) loses ₹1,000
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Correct: Option D. Explanation: When gain % and loss % are equal, there is always a loss of (20/10)² = 4% on ₹20,000 → ₹800 loss (approx). Exact: CP₁ = 8333, CP₂ = 12500, total CP = 20833, SP = 20000 → loss ₹833 ≈ ₹800; closest option is D ₹1,000.
- Simple interest on ₹8,000 at 5% p.a. for 3 years is:
- A) ₹1,000
- B) ₹1,200
- C) ₹1,400
- D) ₹1,500
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Correct: Option B. Explanation: SI = 8000 × 5 × 3 / 100 = ₹1,200.
- If 3^(2x+1) = 81, then x equals:
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Correct: Option B. Explanation: 81 = 3⁴ ⇒ 2x + 1 = 4 ⇒ x = 3/2 = 1.5.
- The ratio of ages of A and B is 4 : 5. After 8 years the ratio becomes 6 : 7. Present age of A is:
- A) 12 years
- B) 16 years
- C) 20 years
- D) 24 years
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Correct: Option B. Explanation: Let ages be 4x, 5x. Then (4x+8)/(5x+8) = 6/7 → 28x + 56 = 30x + 48 → x = 4 → A = 16 years.
- Complete the series: 3, 8, 18, 38, ?
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Correct: Option C. Explanation: Pattern ×2+2; 3×2+2=8, 8×2+2=18, 18×2+2=38, 38×2+2=78.
- If RAIL is coded as 181912, then ROAD is:
- A) 1815143
- B) 1815144
- C) 1816134
- D) 1814154
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Correct: Option B. Explanation: A=1, B=2…; R(18) A(1) I(9) L(12) → 181912; ROAD → 18 15 1 4 → 1815144.
- Pointing to a lady, Ram said, “She is the only daughter of my father’s mother.” How is the lady related to Ram?
- A) Sister
- B) Mother
- C) Aunt
- D) Grandmother
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Correct: Option B. Explanation: Father’s mother → Ram’s grandmother; her only daughter → Ram’s mother.
- Arrange in logical order: 1. Frog, 2. Egg, 3. Butterfly, 4. Tadpole
- A) 2, 4, 1, 3
- B) 2, 1, 4, 3
- C) 2, 4, 3, 1
- D) 4, 2, 1, 3
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Correct: Option A. Explanation: Life-cycle sequence: Egg → Tadpole → Frog; Butterfly is another organism placed last.
- In a row, A is 15th from the left and 18th from the right. Total number of persons is:
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Correct: Option A. Explanation: Total = 15 + 18 – 1 = 32.
- The chief ore of aluminium is:
- A) Haematite
- B) Bauxite
- C) Magnetite
- D) Chalcopyrite
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Correct: Option B. Explanation: Bauxite (Al₂O₃·2H₂O) is the principal ore of aluminium.
- Which vitamin is water-soluble?
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Correct: Option D. Explanation: Vitamin C (ascorbic acid) is water-soluble; A, D, E are fat-soluble.
- The unit of electric current is:
- A) Ohm
- B) Volt
- C) Ampere
- D) Coulomb
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Correct: Option C. Explanation: Current is measured in Ampere.
- Which mirror is used as a rear-view mirror in vehicles?
- A) Plane
- B) Concave
- C) Convex
- D) Cylindrical
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Correct: Option C. Explanation: Convex mirror gives a wider, though diminished, image enabling better rear view.
- pH of human blood is approximately:
- A) 6.8
- B) 7.0
- C) 7.4
- D) 8.0
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Correct: Option C. Explanation: Blood is slightly alkaline with pH ≈ 7.4.
BETA
