RRB Group D Previous Year Questions Set 2
- In which year was the first-ever Indian Railways electric train run between Bombay Victoria Terminus and Kurla?
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Correct: Option A. The first electric train in India ran on 3 Feb 1925 on the 16 km stretch between Bombay VT and Kurla on 1·5 kV DC.
- The book “The India Way” is authored by
- S. Jaishankar
- Narendra Modi
- Amit Shah
- Arun Jaitley
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Correct: Option A. External Affairs Minister Dr. S. Jaishankar wrote “The India Way: Strategies for an Uncertain World”.
- Which of the following is India’s first indigenously developed COVID-19 vaccine?
- Covishield
- Covaxin
- Sputnik V
- Corbevax
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Correct: Option B. Covaxin (BBV152) was wholly developed by Bharat Biotech-ICMR and is India’s first indigenous COVID-19 vaccine.
- The “Dadasaheb Phalke Award” for 2020 was conferred on
- Rajinikanth
- Amitabh Bachchan
- Akshay Kumar
- Ajay Devgn
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Correct: Option A. Superstar Rajinikanth received the 51st Dadasaheb Phalke Award in 2021 for 2020.
- The world’s longest river cruise “MV Ganga Vilas” was flagged off between which two places?
- Varanasi–Dibrugarh
- Kolkata–Guwahati
- Patna–Jorhat
- Allahabad–Kolkata
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Correct: Option A. MV Ganga Vilas covers 3,200 km from Varanasi (UP) to Dibrugarh (Assam) over 51 days.
- Which state launched the “Mission Shakti” campaign for women’s safety?
- Maharashtra
- Uttar Pradesh
- Odisha
- Rajasthan
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Correct: Option B. UP government’s “Mission Shakti” aims at zero-tolerance towards crimes against women.
- The “World Environment Day” 2023 host country was
- India
- Côte d’Ivoire
- Sweden
- Pakistan
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Correct: Option B. Côte d’Ivoire hosted WED 2023 with the theme “Solutions to Plastic Pollution”.
- India’s first “Bamboo-Diversity Park” was inaugurated in
- Arunachal Pradesh
- Assam
- Meghalaya
- Nagaland
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Correct: Option B. The 300-ha park at Chandardinga, Assam, conserves 150 bamboo species.
- A train 180 m long crosses a pole in 9 seconds. Its speed is
- 60 km/h
- 70 km/h
- 72 km/h
- 75 km/h
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Correct: Option C. Speed = 180 m / 9 s = 20 m/s → 20 × 18/5 = 72 km/h.
- If 3x+2 = 81, then x equals
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Correct: Option B. 3x+2 = 34 ⇒ x+2=4 ⇒ x=2.
- The compound interest on ₹4,000 at 10% p.a. for 1½ years compounded half-yearly is
- ₹ 630.50
- ₹ 661.50
- ₹ 630
- ₹ 661
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Correct: Option B. A = 4000(1+0.05)³ = 4630.5; CI = 4630.5 – 4000 = ₹ 630.5.
- The HCF of 324, 360 and 144 is
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Correct: Option A. 324 = 2²·3⁴; 360 = 2³·3²·5; 144 = 2⁴·3² → HCF = 2²·3² = 36.
- A shopkeeper marks goods 40% above cost price and gives 20% discount. His gain % is
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Correct: Option A. Let CP = 100, MP = 140, SP = 140 × 0.8 = 112 → 12% gain.
- The average of five consecutive odd numbers is 27. The largest number is
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Correct: Option B. Numbers: 23,25,27,29,31 → largest 31.
- If 12 men can reap 80 hectares in 16 days, then how many hectares can 16 men reap in 20 days?
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Correct: Option C. H ∝ M·D ⇒ 80/16·12 = H/20·16 ⇒ H = 80 × 20×16 / 16×12 = 400/3 = 133.33 ha.
- Find the odd one out: 121, 169, 289, 361
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Correct: Option C. All are perfect squares of primes 11²,13²,17²,19²; but 289 is 17² and not odd among them—however, 361 is 19² and 289 is the only one whose digit-sum is 19, others 4,16,10—hence 289 is considered odd pair.
- If M → 13, THEN, then what is the code for RAIL?
- 18-1-9-12
- 18-5-9-15
- 19-1-9-11
- 19-2-10-12
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Correct: Option A. Simple alphabetical position: R=18, A=1, I=9, L=12.
- Pointing to a lady, Ram said, “She is the daughter of my grandfather’s only son.” How is the lady related to Ram?
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Correct: Option A. Grandfather’s only son → Ram’s father; daughter of that son → Ram’s sister.
- Which number will replace the question mark: 3, 8, 18, 38, ?
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Correct: Option C. Pattern ×2+2: 3×2+2=8; 8×2+2=18; 18×2+2=38; 38×2+2=78.
- In a certain code, ROAD is written as URDG. How is LINE written?
- O L Q H
- O L P G
- O L Q G
- O M Q H
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Correct: Option A. Each letter +3: L+3=O, I+3=L, N+3=Q, E+3=H → O L Q H.
- The chemical formula of baking soda is
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Correct: Option B. Sodium bicarbonate is NaHCO₃.
- Which part of human brain controls respiration?
- Cerebrum
- Cerebellum
- Medulla oblongata
- Hypothalamus
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Correct: Option C. Medulla oblongata regulates involuntary actions like breathing.
- The SI unit of electric charge is
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Correct: Option B. Charge is measured in Coulombs.
- The process of conversion of sugar into alcohol is termed
- Fermentation
- Oxidation
- Esterification
- Hydrogenation
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Correct: Option A. Yeast converts sugar to ethanol by fermentation.
- Which metal is liquid at room temperature?
- Gallium
- Mercury
- Sodium
- Aluminium
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Correct: Option B. Mercury (Hg) is the only metal liquid at 25 °C.