RRB Group D PYQ Set 4

General Awareness

  1. Which scheme was launched by the Government of India to provide free electricity connections to all households in rural areas?
  • A) UDAY
  • B) Saubhagya
  • C) Deen Dayal Upadhyaya Gram Jyoti Yojana
  • D) Integrated Power Development Scheme
Show Answer Correct: Option B. Explanation: Pradhan Mantri Sahaj Bijli Har Ghar Yojana – “Saubhagya” was launched in Oct 2017 to ensure last-mile electrification of willing rural households.
  1. The 2023 G-20 Leaders’ Summit was held in which Indian city?
  • A) New Delhi
  • B) Mumbai
  • C) Bengaluru
  • D) Kolkata
Show Answer Correct: Option A. Explanation: Bharat Mandapam, Pragati Maidan, New Delhi hosted the 18th G-20 Summit on 9-10 Sept 2023.
  1. Who is the author of the book “The Making of a Legend”?
  • A) Kuldip Nayar
  • B) Payal Kapadia
  • C) K. Natwar Singh
  • D) Ajit Doval
Show Answer Correct: Option C. Explanation: Written by former External Affairs Minister K. Natwar Singh on the life of former PM Indira Gandhi.
  1. Which neighbouring country of India celebrates its Independence Day on 4 February?
  • A) Sri Lanka
  • B) Nepal
  • C) Bangladesh
  • D) Maldives
Show Answer Correct: Option A. Explanation: Sri Lanka gained independence from Britain on 4 Feb 1948.
  1. The headquarters of the International Renewable Energy Agency (IRENA) is located in
  • A) Geneva
  • B) Abu Dhabi
  • C) Madrid
  • D) Vienna
Show Answer Correct: Option B. Explanation: IRENA HQ is Masdar City, Abu Dhabi, UAE (officially inaugurated 2015).
  1. Which Indian state launched the “Pink Sarthi” bus service exclusively for women?
  • A) Maharashtra
  • B) Rajasthan
  • C) Punjab
  • D) Haryana
Show Answer Correct: Option B. Explanation: Rajasthan State Road Transport Corporation started Pink Sarthi in 2022 for safer women-only travel.
  1. The term “Duckworth-Lewis” is associated with which sport?
  • A) Hockey
  • B) Cricket
  • C) Football
  • D) Tennis
Show Answer Correct: Option B. Explanation: Duckworth-Lewis-Stern method is a mathematical formulation to reset targets in rain-affected cricket matches.
  1. Which planet was downgraded to “dwarf planet” status in 2006?
  • A) Neptune
  • B) Pluto
  • C) Uranus
  • D) Jupiter
Show Answer Correct: Option B. Explanation: IAU reclassified Pluto as a dwarf planet on 24 Aug 2006.

Mathematics

  1. A train 150 m long passes a pole in 9 seconds. The speed of the train is
  • A) 50 km/h
  • B) 54 km/h
  • C) 60 km/h
  • D) 72 km/h
Show Answer Correct: Option C. Explanation: Speed = 150 m / 9 s = 16.67 m/s → 16.67 × 18/5 = 60 km/h.
  1. The HCF of two numbers is 24 and their LCM is 432. If one number is 72, the other number is
  • A) 144
  • B) 120
  • C) 96
  • D) 108
Show Answer Correct: Option A. Explanation: Product = 24 × 432 = 10368. Other number = 10368 ÷ 72 = 144.
  1. A shopkeeper gives 10% discount on marked price and still gains 17%. If marked price is ₹600, the cost price is
  • A) ₹468
  • B) ₹450
  • C) ₹500
  • D) ₹520
Show Answer Correct: Option A. Explanation: SP = 90% of ₹600 = ₹540. CP = 540/1.17 = ₹468 (approx).
  1. If 3 tan θ = 4, then the value of (4 sin θ – 3 cos θ)/(4 sin θ + 3 cos θ) is
  • A) 1/7
  • B) 2/7
  • C) 1/4
  • D) 0
Show Answer Correct: Option A. Explanation: tan θ = 4/3 → sin θ = 4/5, cos θ = 3/5. Expression = (16–9)/(16+9) = 7/25 ÷ 25/25 = 7/25 → simplified to 1/7 after cancelling 25.
  1. The average of 11 numbers is 50. If one number 60 is removed, the new average is
  • A) 49
  • B) 48.5
  • C) 49.5
  • D) 48
Show Answer Correct: Option C. Explanation: Total = 550. New total = 490, 10 numbers → 490/10 = 49.
  1. A sum becomes ₹9261 in 3 years at 5% per annum compounded annually. The principal is
  • A) ₹8000
  • B) ₹8500
  • C) ₹9000
  • D) ₹7500
Show Answer Correct: Option A. Explanation: P = 9261/(1.05)³ = 9261/1.157625 = 8000.
  1. The ratio of volumes of two spheres is 8 : 27. The ratio of their surface areas is
  • A) 2 : 3
  • B) 4 : 9
  • C) √8 : √27
  • D) 16 : 81
Show Answer Correct: Option B. Explanation: Volume ∝ r³ ⇒ radii ratio 2 : 3. Surface area ∝ r² ⇒ 4 : 9.

Reasoning

  1. In a certain code, COMPUTER is written as PMOCRETU. How is TEACHER written in that code?
  • A) HETREAC
  • B) REHCEAT
  • C) REHCTEA
  • D) REHTEAC
Show Answer Correct: Option C. Explanation: First 4 letters reversed, last 4 letters reversed: TEAC → CAET, HER → REH ⇒ REHCTEA.
  1. Find the odd one out:
  • A) 216
  • B) 729
  • C) 1000
  • D) 625
Show Answer Correct: Option D. Explanation: 625 is 5⁴, others are perfect cubes (6³, 9³, 10³).
  1. If 15th August 2021 was Sunday, what day was 26th September 2021?
  • A) Sunday
  • B) Monday
  • C) Tuesday
  • D) Wednesday
Show Answer Correct: Option A. Explanation: Days from 15 Aug to 26 Sep = 42 days ≡ 0 odd days ⇒ same Sunday.
  1. Complete the series: 3, 8, 18, 38, ?
  • A) 78
  • B) 76
  • C) 80
  • D) 74
Show Answer Correct: Option A. Explanation: Pattern ×2+2: 3×2+2=8, 8×2+2=18, 18×2+2=38, 38×2+2=78.
  1. Arrange words in dictionary order:
  2. Accent 2. Accept 3. Access 4. Accident
  • A) 1,4,2,3
  • B) 1,2,4,3
  • C) 4,1,2,3
  • D) 1,4,3,2
Show Answer Correct: Option A. Explanation: Accent → Accident → Accept → Access.

General Science

  1. Which part of the human brain controls body balance?
  • A) Cerebrum
  • B) Medulla
  • C) Cerebellum
  • D) Hypothalamus
Show Answer Correct: Option C. Explanation: Cerebellum coordinates voluntary movements and maintains posture & balance.
  1. The pH of human blood is approximately
  • A) 6.8
  • B) 7.0
  • C) 7.4
  • D) 8.0
Show Answer Correct: Option C. Explanation: Arterial blood pH ≈ 7.35-7.45 (slightly alkaline).
  1. The device used to measure electric current is
  • A) Voltmeter
  • B) Ammeter
  • C) Galvanometer
  • D) Ohmmeter
Show Answer Correct: Option B. Explanation: Ammeter measures current in amperes, connected in series.
  1. Which of the following is a non-metal that exists in liquid state at room temperature?
  • A) Bromine
  • B) Mercury
  • C) Gallium
  • D) Sodium
Show Answer Correct: Option A. Explanation: Bromine (Br) is the only non-metal liquid at 25 °C; mercury is a metal.
  1. The process of conversion of sugar into alcohol by yeast is called
  • A) Fermentation
  • B) Pasteurisation
  • D) Sterilisation
  • D) Dehydration
Show Answer Correct: Option A. Explanation: Anaerobic respiration in yeast produces ethanol + CO₂ via fermentation.
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