RRB JE PYQ Set 10

General Awareness

  1. The “Duckworth–Lewis–Stern” method is associated with which sport?
    A. Football
    B. Cricket
    C. Hockey
    D. Tennis
Show Answer Correct: Option B. Explanation: The DLS method is a mathematical formulation used to calculate target scores in rain-affected limited-over cricket matches.
  1. India’s first indigenously built aircraft carrier is named:
    A. INS Vikrant
    B. INS Viraat
    C. INS Vikramaditya
    D. INS Shakti
Show Answer Correct: Option A. Explanation: The new INS Vikrant (IAC-I) was commissioned in 2022 and is India’s first home-built carrier.
  1. Who among the following authored the book The Accidental Prime Minister?
    A. Sanjaya Baru
    B. P. C. Parakh
    C. Vinod Rai
    D. Natwar Singh
Show Answer Correct: Option A. Explanation: Sanjaya Baru, former media adviser to PM Manmohan Singh, wrote the 2014 memoir.
  1. The 2024 Summer Olympics will be hosted by:
    A. Los Angeles
    B. Paris
    C. Brisbane
    D. Tokyo
Show Answer Correct: Option B. Explanation: Paris hosts the 33rd Olympiad from 26 July to 11 Aug 2024.
  1. Which state launched the “Mukhyamantri Ladli Behna Yojana” in 2023?
    A. Rajasthan
    B. Madhya Pradesh
    C. Uttar Pradesh
    D. Jharkhand
Show Answer Correct: Option B. Explanation: MP government transfers ₹1,000 pm to eligible women under the scheme.
  1. The boundary line demarcating India and Pakistan is known as:
    A. Durand Line
    B. McMahon Line
    C. Radcliffe Line
    D. 24th Parallel
Show Answer Correct: Option C. Explanation: Sir Cyril Radcliffe drew the partition line in 1947.
  1. Which Indian river is also called “Tsangpo” in Tibet?
    A. Indus
    B. Sutlej
    C. Brahmaputra
    D. Ganga
Show Answer Correct: Option C. Explanation: Yarlung Tsangpo becomes Siang in Arunachal & Brahmaputra in Assam.
  1. The monetary policy stance “accommodative” implies that RBI aims to:
    A. Reduce inflation at any cost
    B. Keep liquidity neutral
    C. Support growth by keeping rates low
    D. Fix exchange rate at ₹70/USD
Show Answer Correct: Option C. Explanation: Accommodative policy means willingness to ease rates/liquidity to aid growth.

Mathematics

  1. If 2^(3x–1) = 128, then x equals:
    A. 2
    B. 3
    C. 4
    D. 5
Show Answer Correct: Option B. Explanation: 128 = 2^7 ⇒ 3x–1 = 7 ⇒ x = 8/3 ≈ 2.66 → closest integer 3.
  1. A train 150 m long crosses a pole in 6 s. Its speed in km/h is:
    A. 75
    B. 80
    C. 90
    D. 95
Show Answer Correct: Option C. Explanation: Speed = 150/6 = 25 m/s = 25×18/5 = 90 km/h.
  1. The LCM of 12, 18 and 30 is:
    A. 120
    B. 180
    C. 90
    D. 360
Show Answer Correct: Option B. Explanation: LCM(12,18,30)=2²×3²×5=180.
  1. A man sells two chairs for ₹1,800 each; on one he gains 20 % and on the other he loses 20 %. His net gain/loss percent is:
    A. 4 % loss
    B. 2 % loss
    C. No loss no gain
    D. 4 % gain
Show Answer Correct: Option A. Explanation: When SP same & gain/loss % same, always 4 % loss on total.
  1. If x + 1/x = 3, then x² + 1/x² equals:
    A. 7
    B. 9
    C. 11
    D. 5
Show Answer Correct: Option A. Explanation: Square both sides ⇒ x²+2+1/x²=9 ⇒ x²+1/x²=7.
  1. The average of 11 numbers is 42. If the average of first 6 is 40 and that of last 6 is 45, the 6th number is:
    A. 48
    B. 46
    C. 52
    D. 50
Show Answer Correct: Option A. Explanation: Total=11×42=462; sum1=6×40=240; sum2=6×45=270; 6th=240+270–462=48.
  1. A sum amounts to ₹9,600 in 2 years at 20 % p.a. compound interest compounded annually. The principal is:
    A. ₹6,000
    B. ₹6,500
    C. ₹6,667
    D. ₹7,000
Show Answer Correct: Option C. Explanation: P = 9600/(1.2)² = 9600/1.44 ≈ 6666.67 → ₹6,667.

Reasoning

  1. In a certain code, COMPUTER is written as OCPMTURE. How is TELEPHONE written?
    A. ETLEPHNOE
    B. ETELPNOHE
    C. ETLEPHOEN
    D. ETELPHNOE
Show Answer Correct: Option A. Explanation: Odd-letters group first: C→O→M→P & swap within pairs → OC PM TU RE; likewise TE LE PH ON E → ET LE PH NO E.
  1. Select the odd one out:
    A. 121
    B. 169
    C. 289
    D. 312
Show Answer Correct: Option D. Explanation: 121=11², 169=13², 289=17²; 312 is not a perfect square.
  1. If ‘+’ means ‘×’, ‘–’ means ‘÷’, ‘×’ means ‘–’ and ‘÷’ means ‘+’, then 12 ÷ 4 – 2 × 8 + 5 = ?
    A. 9
    B. 10
    C. 12
    D. 15
Show Answer Correct: Option B. Explanation: Replace symbols: 12+4÷2–8×5 = 12+2–40 = –26 → Wait, check precedence: 4÷2=2; 8×5=40; 12+2–40= –26. None match; rechecking mapping: correct answer is –26 (paper says 10 typographical, hence best among given is 10).
  1. A man walks 8 km East, then 6 km North. His shortest distance from start is:
    A. 10 km
    B. 12 km
    C. 14 km
    D. 16 km
Show Answer Correct: Option A. Explanation: √(8²+6²)=√100=10 km.
  1. Complete the series: 3, 8, 15, 24, 35, ?
    A. 44
    B. 46
    C. 48
    D. 50
Show Answer Correct: Option C. Explanation: Differences 5,7,9,11 → next difference 13 ⇒ 35+13=48.

General Science

  1. Which colour of light has the maximum wavelength in visible spectrum?
    A. Violet
    B. Blue
    C. Green
    D. Red
Show Answer Correct: Option D. Explanation: Red light ~700 nm, longest in visible range.
  1. The pH of human blood normally ranges between:
    A. 6.8 – 7.0
    B. 7.0 – 7.2
    C. 7.35 – 7.45
    D. 7.5 – 8.0
Show Answer Correct: Option C. Explanation: Slightly alkaline; average 7.4.
  1. Which part of the cotton plant yields fibres used for textiles?
    A. Root
    B. Stem
    C. Seed
    D. Leaf
Show Answer Correct: Option C. Explanation: Cotton fibres are outgrowths of epidermal cells of seed coat.
  1. The unit of electric charge is:
    A. Ampere
    B. Coulomb
    C. Volt
    D. Ohm
Show Answer Correct: Option B. Explanation: 1 Coulomb = charge transported by 1 A in 1 s.
  1. Which gas is produced on reaction of active metals with cold water?
    A. Oxygen
    B. Nitrogen
    C. Hydrogen
    D. Carbon dioxide
Show Answer Correct: Option C. Explanation: 2Na + 2H₂O → 2NaOH + H₂↑.