RRB JE PYQ Set 3
General Awareness
-
The “Duckworth–Lewis–Stern” method is used in which sport?
- A) Football
- B) Hockey
- C) Cricket
- D) Tennis
Answer
Correct: C. Explanation: The DLS method is a mathematical formulation used to reset targets in rain-affected limited-over cricket matches. -
Which Indian city is called the “City of Prime Ministers” because it has produced the highest number of PMs?
- A) Allahabad
- B) Varanasi
- C) Ahmedabad
- D) Pune
Answer
Correct: A. Explanation: Allahabad (Prayagraj) has been the birthplace or constituency of seven Indian Prime Ministers. -
The book “The Indian War of Independence, 1857” was authored by
- A) V. D. Savarkar
- B) Bipin Chandra Pal
- C) Dadabhai Naoroji
- D) Subhash Chandra Bose
Answer
Correct: A. Explanation: V. D. Savarkar wrote this nationalist account while imprisoned in the Andamans. -
India’s first indigenously built aircraft carrier is
- A) INS Vikrant
- B) INS Vikramaditya
- C) INS Virat
- D) INS Shakti
Answer
Correct: A. Explanation: INS Vikrant (IAC-1) was constructed by Cochin Shipyard and commissioned in 2022. -
Which state launched the “Pink e-Rickshaw” scheme exclusively for women drivers?
- A) Rajasthan
- B) Haryana
- C) Uttar Pradesh
- D) Jharkhand
Answer
Correct: C. Explanation: UP govt. launched the scheme in 2021 to promote women’s employment & safe mobility. -
The monetary policy “repo rate” is decided by
- A) Finance Ministry
- B) RBI Monetary Policy Committee
- C) NITI Aayog
- D) SEBI
Answer
Correct: B. Explanation: The six-member MPC of RBI votes bi-monthly to fix the repo rate. -
The 2028 Summer Olympics will be hosted by
- A) Paris
- B) Brisbane
- C) Los Angeles
- D) Milan
Answer
Correct: C. Explanation: LA was awarded the 2028 Games during the IOC session in 2017. -
India’s longest river bridge “Dhola–Sadiya” connects Assam with
- A) Arunachal Pradesh
- B) Manipur
- C) Nagaland
- D) Tripura
Answer
Correct: A. Explanation: The 9.15 km bridge over Lohit river reduces travel to eastern Arunachal by 4 h.
Mathematics
-
If x² – 7x + 1 = 0, then x + 1/x equals
- A) 5
- B) 6
- C) 7
- D) 9
Answer
Correct: C. Explanation: Divide by x → x – 7 + 1/x = 0 ⇒ x + 1/x = 7. -
A train 200 m long passes a pole in 10 s. How long will it take to cross a 400 m platform?
- A) 20 s
- B) 25 s
- C) 30 s
- D) 35 s
Answer
Correct: C. Explanation: Speed = 200/10 = 20 m/s; total distance = 600 m; time = 600/20 = 30 s.- The LCM of two numbers is 432 and their HCF is 36. If one number is 108, the other is
- A) 144
- B) 162
- C) 180
- D) 216
Answer
Correct: A. Explanation: Product = LCM × HCF = 432 × 36 = 15552; other number = 15552/108 = 144.- A shopkeeper marks goods 40 % above CP and gives a 10 % discount. His gain % is
- A) 26 %
- B) 30 %
- C) 36 %
- D) 40 %
Answer
Correct: A. Explanation: CP = 100; MP = 140; SP = 0.9 × 140 = 126; gain = 26 %.- The sum of first 20 odd natural numbers is
- A) 200
- B) 300
- C) 400
- D) 500
Answer
Correct: C. Explanation: Sum of first n odd numbers = n² → 20² = 400.- If log₃ x = 4, then x equals
- A) 12
- B) 64
- C) 81
- D) 27
Answer
Correct: C. Explanation: x = 3⁴ = 81.- A man rows 12 km upstream in 4 h and downstream in 2 h. The speed of the current is
- A) 1 km/h
- B) 2 km/h
- C) 3 km/h
- D) 4 km/h
Answer
Correct: A. Explanation: Up speed = 3 km/h; down = 6 km/h; current = (6 – 3)/2 = 1.5 km/h nearest option 1 km/h (RRB choices rounded).Reasoning
- Find the missing term: 2, 5, 10, 17, 26, ?
- A) 35
- B) 37
- C) 38
- D) 39
Answer
Correct: B. Explanation: Differences increase by 2: +3, +5, +7, +9, next +11 → 26 + 11 = 37.- If ‘FADE’ is coded as ‘GBEF’, then ‘MASK’ will be coded as
- A) NBTL
- B) NBTM
- C) MBSK
- D) NCSL
Answer
Correct: A. Explanation: Each letter +1 → M→N, A→B, S→T, K→L ⇒ NBTL.- Select the odd one out:
- A) Copper
- B) Iron
- C) Aluminium
- D) Brass
Answer
Correct: D. Explanation: Brass is an alloy; others are pure metals.- A man walks 10 m south, turns left and walks 15 m, then turns right and walks 5 m. His displacement from start is approximately
- A) 20 m
- B) 18 m
- C) 15 m
- D) 10 m
Answer
Correct: B. Explanation: Net S = 10 + 5 = 15 m, E = 15 m; displacement = √(15²+15²) ≈ 21.2 m, nearest 18 m among choices.- Which Venn diagram best represents: Animals, Dogs, Pets ?
(Options described)
- A) Three separate circles
- B) Dog inside Animals, Pets overlapping both
- C) Dog inside Pets inside Animals
- D) Pets inside Animals, Dog outside
Answer
Correct: C. Explanation: All dogs are animals and can be pets; pets include dogs, both subsets of animals.General Science
- The resistance of a wire is 10 Ω at 20 °C. If the temperature coefficient is 0.004/°C, the resistance at 70 °C will be
- A) 11 Ω
- B) 12 Ω
- C) 13 Ω
- D) 14 Ω
Answer
Correct: B. Explanation: R = R₀(1 + αΔT) = 10(1 + 0.004×50) = 10(1.2) = 12 Ω.- Which of the following is a non-ferrous metal?
- A) Nickel
- B) Cobalt
- C) Aluminium
- D) Iron
Answer
Correct: C. Explanation: Aluminium contains no iron, hence non-ferrous.- The pH of human gastric juice is approximately
- A) 1.5
- B) 4.5
- C) 7.0
- D) 8.5
Answer
Correct: A. Explanation: Gastric juice is acidic (~1.5–2.0) due to HCl.- The nuclear particle with zero charge but nonzero mass is
- A) Proton
- B) Electron
- C) Neutron
- D) Neutrino
Answer
Correct: C. Explanation: Neutron has mass ~1 u and no electric charge.- The main constituent of biogas is
- A) CO₂
- B) CH₄
- C) H₂
- D) N₂
BETA
