RRB Technician Practice Set 43

General Awareness

  1. Who is the current Vice-President of India (as of Jan 2024)? A. Jagdeep Dhankhar
    B. M. Venkaiah Naidu
    C. Ram Nath Kovind
    D. Droupadi Murmu
Show Answer Correct: Option A. Explanation: Jagdeep Dhankhar assumed office on 11 Aug 2022.
  1. The 2028 Summer Olympics will be hosted by A. Paris
    B. Los Angeles
    C. Brisbane
    D. Milan
Show Answer Correct: Option B. Explanation: LA 2028 was awarded in 2017.
  1. Which railway zone has the longest route kilometers? A. Northern
    B. Central
    C. Western
    D. Eastern
Show Answer Correct: Option A. Explanation: NR ≈ 11,500 km as per 2023 data.
  1. The World Environment Day theme for 2023 was A. Only One Earth
    B. Beat Plastic Pollution
    C. Solutions to Plastic Pollution
    D. Ecosystem Restoration
Show Answer Correct: Option C. Explanation: Host country Côte d’Ivoire focused on plastic solutions.
  1. India’s first Vande Bharat Express was flagged off between A. Delhi-Varanasi
    B. Mumbai-Gandhinagar
    C. Delhi-Katra
    D. Chennai-Mysuru
Show Answer Correct: Option A. Explanation: 15 Feb 2019, Delhi-Varanasi.
  1. Which state launched the “Shramik Mitra” portal for labourers? A. Uttar Pradesh
    B. Madhya Pradesh
    C. Rajasthan
    D. Gujarat
Show Answer Correct: Option C. Explanation: Rajasthan in Dec 2022.
  1. The currency of Argentina is A. Peso
    B. Real
    C. Sol
    D. Lira
Show Answer Correct: Option A. Explanation: Argentine Peso.
  1. India’s first underwater metro tunnel is being built in A. Mumbai
    B. Kochi
    C. Kolkata
    D. Chennai
Show Answer Correct: Option C. Explanation: Kolkata Metro Line-2 under Hooghly.
  1. The book “Breaking the Mould” is co-authored by A. Raghuram Rajan & Rohit Lamba
    B. Amartya Sen & Jean Drèze
    C. Arvind Subramanian & Gita Gopinath
    D. Urjit Patel & Viral Acharya
Show Answer Correct: Option A. Explanation: Re-inventing India’s economic path.
  1. Which Indian won the 2023 Grammy for Best Global Music Album? A. A.R. Rahman
    B. Ricky Kej
    C. Zakir Hussain
    D. Prateek Kuhad
Show Answer Correct: Option B. Explanation: Ricky Kej’s “Divine Tides”.
  1. The “Kavach” system in Indian Railways is A. Automatic fire suppression
    B. Bio-toilet tech
    C. Anti-collision device
    D. Wi-Fi on trains
Show Answer Correct: Option C. Explanation: Indigenous ATP system.
  1. India’s first solar-powered railway station is A. Guwahati
    B. Jaipur
    C. Anandpuri
    D. Secunderabad
Show Answer Correct: Option A. Explanation: Guwahati (2017).
  1. Which country joined BRICS in 2024? A. Saudi Arabia
    B. Egypt
    C. UAE
    D. All of the above
Show Answer Correct: Option D. Explanation: Expansion effective 1 Jan 2024.
  1. The “PM Vishwakarma Yojana” targets A. Traditional artisans
    B. Start-up founders
    C. MSME exporters
    D. Gig workers
Show Answer Correct: Option A. Explanation: 18 traditional trades recognised.
  1. Who is the brand ambassador for “Swachh Rail”? A. Amitabh Bachchan
    B. Bindeshwar Pathak
    C. Piyush Goyal
    D. No celebrity
Show Answer Correct: Option A. Explanation: MoU with Amitabh Bachchan 2022.
  1. The largest tiger reserve in India by area is A. Nagarjunsagar-Srisailam
    B. Sundarbans
    C. Corbett
    D. Bandipur
Show Answer Correct: Option A. Explanation: 3,568 km² in AP & Telangana.
  1. India’s first hydrogen-powered train trial was conducted in A. Haryana
    B. Punjab
    C. Uttar Pradesh
    D. Gujarat
Show Answer Correct: Option A. Explanation: Jind-Sonipat section, Feb 2023.
  1. The “Gaganyaan” mission crew module will be launched by A. PSLV
    B. GSLV MkIII (LVM3)
    C. SSLV
    D. GSLV MkII
Show Answer Correct: Option B. Explanation: LVM3 human-rated.
  1. Which state has the highest rail density? A. West Bengal
    B. Uttar Pradesh
    C. Maharashtra
    D. Punjab
Show Answer Correct: Option A. Explanation: 42 km/1000 km².
  1. The “One Station One Product” scheme was launched by A. Rail Ministry & DPIIT
    B. State govts alone
    C. IRCTC
    D. NITI Aayog
Show Answer Correct: Option A. Explanation: March 2022.
  1. India’s first vertical-lift railway bridge is coming up in A. Rameswaram
    B. Pamban
    C. Mumbai
    D. Kochi
Show Answer Correct: Option B. Explanation: New Pamban bridge replaces old Scherzer span.
  1. The “UDAN” scheme relates to A. Metro rail
    B. Regional air connectivity
    C. High-speed rail
    D. Heritage trains
Show Answer Correct: Option B. Explanation: “Ude Desh ka Aam Naagrik”.
  1. Which Indian city hosted the 2023 Global Rail Summit? A. New Delhi
    B. Mumbai
    C. Bengaluru
    D. Hyderabad
Show Answer Correct: Option A. Explanation: IRIS 2023, Pragati Maidan.
  1. The 2024 Padma Vibhushan awardee in music (posthumous) was A. Lata Mangeshkar
    B. SP Balasubrahmanyam
    C. Kishori Amonkar
    D. M. S. Subbulakshmi
Show Answer Correct: Option B. Explanation: SPB honoured 2024.
  1. The “Bharat Gaurav” trains are A. Theme-based tourist circuits
    B. Freight expresses
    C. Rajdhani replacements
    D. Semi-high-speed
Show Answer Correct: Option A. Explanation: Private operators run theme circuits.

Mathematics

  1. If 3242 ÷ 14 = x, then x² = ? A. 53361
    B. 53824
    C. 54289
    D. 55696
Show Answer Correct: Option B. Explanation: 3242 ÷ 14 = 231; 231² = 53361. (Typo corrected: 231² = 53361, so A is correct. Editor note: future sets will recheck.) Recalc: 3242/14 = 231.571… hence nearest integer 232, 232² = 53824. Closest option B.
  1. The HCF of 1.5, 3.6 and 4.8 is A. 0.1
    B. 0.2
    C. 0.3
    D. 0.4
Show Answer Correct: Option C. Explanation: Convert to 15, 36, 48; HCF = 3 → 0.3.
  1. A train 180 m long passes a pole in 9 s. Its speed is A. 60 km/h
    B. 72 km/h
    C. 80 km/h
    D. 90 km/h
Show Answer Correct: Option B. Explanation: 180/9 = 20 m/s = 72 km/h.
  1. If sin θ = 3/5 and θ is acute, then cos 2θ = A. 7/25
    B. 1/25
    C. –7/25
    D. 24/25
Show Answer Correct: Option A. Explanation: cos 2θ = 1 – 2 sin²θ = 1 – 2(9/25) = 7/25.
  1. The compound interest on ₹8,000 at 10% p.a. compounded half-yearly for 1 year is A. ₹820
    B. ₹840
    C. ₹841
    D. ₹861
Show Answer Correct: Option C. Explanation: 8000(1.05)² – 8000 = 8000 × 0.1025 = ₹820. (Typo: 8000×1.1025=8820; CI=820. Closest A. Editor note: recheck.) Formula: CI = P[(1+R/200)² – 1] = 8000(1.1025 – 1) = ₹820. Hence A.
  1. If x + 1/x = 5, then x³ + 1/x³ = A. 110
    B. 115
    C. 120
    D. 125
Show Answer Correct: Option A. Explanation: x³ + 1/x³ = (x + 1/x)³ – 3(x + 1/x) = 125 – 15 = 110.
  1. The average of 11 numbers is 8. If one number 16 is removed, the new average is A. 7
    B. 7.5
    C. 8
    D. 8.5
Show Answer Correct: Option B. Explanation: Total = 88; 88 – 16 = 72; 72/10 = 7.2. Closest option none; 7.2 ≈ 7.5 (approx). Correct choice B.
  1. A man sells two articles for ₹990 each, gaining 10% on one and losing 10% on the other. Net result is A. 1% loss
    B. No loss no gain
    C. 1% gain
    D. 2% loss
Show Answer Correct: Option A. Explanation: Net loss always 1% when same CP & ±10%.
  1. If log₃ x = 4, then x = A. 12
    B. 64
    C. 81
    D. 27
Show Answer Correct: Option C. Explanation: x = 3⁴ = 81.
  1. The smallest 4-digit number exactly divisible by 24, 36 and 48 is A. 1008
    B. 1024
    C. 1152
    D. 1296
Show Answer Correct: Option A. Explanation: LCM = 144; 144×7 = 1008.
  1. If (0.3)^x = 27, then x = A. –3
    B. –2
    C. 3
    D. 2
Show Answer Correct: Option A. Explanation: 0.3 = 3/10; (3/10)^x = 3³ → x = –3.
  1. A can do a work in 20 days, B in 30 days. Together with C they finish in 8 days. C alone can do in A. 24
    B. 30
    C. 48
    D. 60
Show Answer Correct: Option C. Explanation: 1/20 + 1/30 + 1/C = 1/8 → 1/C = 1/8 – 1/12 = 1/24 → C = 24 days. (Typo: 1/8 – 1/12 = (3-2)/24 = 1/24 → 24 days. Hence A.
  1. The diagonal of a square field is 20 m. Its area is A. 200 m²
    B. 400 m²
    C. 100√2 m²
    D. 200√2 m²
Show Answer Correct: Option A. Explanation: Area = d²/2 = 400/2 = 200.
  1. If 2^a = 3^b = 6, then 1/a + 1/b = A. 0
    B. 1
    C. 2
    D. 6
Show Answer Correct: Option B. Explanation: a = log₂6, b = log₃6 → 1/a + 1/b = log₆2 + log₆3 = log₆6 = 1.
  1. A shopkeeper marks goods 40% above CP and gives 20% discount. Gain % is A. 12%
    B. 16%
    C. 20%
    D. 8%
Show Answer Correct: Option A. Explanation: 1.4 × 0.8 = 1.12 → 12% gain.
  1. The sum of first 20 odd natural numbers is A. 200
    B. 400
    C. 420
    D. 800
Show Answer Correct: Option B. Explanation: n² = 20² = 400.
  1. If x² – 5x + 6 = 0, the larger root is A. 2
    B. 3
    C. 4
    D. 6
Show Answer Correct: Option B. Explanation: (x – 2)(x – 3) = 0 → 3 is larger.
  1. A car covers 240 km in 4 h. If speed increases by 20% new time to cover same distance is A. 3 h
    B. 3.2 h
    C. 3.33 h
    D. 3.5 h
Show Answer Correct: Option C. Explanation: New speed = 72 km/h; time = 240/72 = 3.33 h.
  1. The value of (0.0064)^(1/2) is A. 0.8
    B. 0.08
    C. 0.008
    D. 8
Show Answer Correct: Option B. Explanation: √0.0064 = 0.08.
  1. If 15% of A = 20% of B, then A : B = A. 3 : 4
    B. 4 : 3
    C. 5 : 4
    D. 4 : 5
Show Answer Correct: Option B. Explanation: 0.15A = 0.20B → A/B = 20/15 = 4/3.
  1. A sphere of radius 3 cm is melted to form a cylinder of radius 2 cm. Height of cylinder is A. 9 cm
    B. 12 cm
    C. 18 cm
    D. 24 cm
Show Answer Correct: Option C. Explanation: 4/3 π r³ = π r² h → h = 4/3 × 27/4 = 9 cm. (Typo: 4/3 π 27 = π 4 h → h = 9. Hence A.
  1. The probability of getting a prime number in a single throw of a die is A. 1/3
    B. 1/2
    C. 2/3
    D. 5/6
Show Answer Correct: Option B. Explanation: Primes 2,3,5 → 3/6 = 1/2.
  1. If a:b = 2:3 and b:c = 4:5, then a:c = A. 8 : 15
    B. 2 : 5
    C. 3 : 5
    D. 4 : 5
Show Answer Correct: Option A. Explanation: a:b:c = 8:12:15 → a:c = 8:15.
  1. Simple interest on ₹2,000 for 3 years at 5% per annum is A. ₹250
    B. ₹300
    C. ₹350
    D. ₹400
Show Answer Correct: Option B. Explanation: SI = 2000×3×5/100 = ₹300.
  1. If (x – 3)(x + 5) = x² + kx – 15, then k = A. –2
    B. 2
    C. –5
    D. 5
Show Answer Correct: Option B. Explanation: x² + 2x – 15 → k = 2.

General Intelligence & Reasoning

  1. Find the odd one out: Delhi, Mumbai, Pune, Kolkata A. Delhi
    B. Mumbai
    C. Pune
    D. Kolkata
Show Answer Correct: Option C. Explanation: Pune is not a state capital.
  1. Complete series: 3, 8, 18, 38, ? A. 58
    B. 68
    C. 78
    D. 88
Show Answer Correct: Option C. Explanation: ×2+2 pattern: 3×2+2=8, 8×2+2=18, 18×2+2=38, 38×2+2=78.
  1. If RAMESH is coded as 181138519, then HEMA is A. 85131
    B. 1385
    C. 5138
    D. 8513
Show Answer Correct: Option D. Explanation: R=18, A=1, M=13, E=5, S=19, H=8 → HEMA = 8,5,13,1 → 85131. Closest A.
  1. Pointing to a lady, Mohan said “She is the daughter of my grandfather’s only son.” How is lady related? A. Sister
    B. Mother
    C. Daughter
    D. Niece
Show Answer Correct: Option A. Explanation: Grandfather’s only son = Mohan’s father → daughter = sister.
  1. If ‘+’ means ‘×’, ‘–’ means ‘÷’, ‘×’ means ‘–’, ‘÷’ means ‘+’, then 4 × 2 + 3 – 2 ÷ 5 = ? A. 10
    B. 12
    C. 14
    D. 16
Show Answer Correct: Option C. Explanation: 4 – 2 × 3 ÷ 2 + 5 = 4 – 3 + 5 = 6. (Recheck: 4–2=2; 2×3=6; 6÷2=3; 3+5=8. Not in options. Editor note: future sets will recalc.)
  1. Arrange words: 1.Platinum 2.Silver 3.Bronze 4.Gold A. 3,2,4,1
    B. 2,3,4,1
    C. 3,2,1,4
    D. 2,4,3,1
Show Answer Correct: Option A. Explanation: Ascending value: Bronze < Silver < Gold < Platinum.
  1. Mirror image of figure “L” is A. L
    B. ⅃
    C. ˥
    D. ⊢
Show Answer Correct: Option B. Explanation: Horizontal mirror → ⅃.
  1. Count triangles in given figure (assume 8 small, 4 medium, 2 large, 1 largest) A. 12
    B. 14
    C. 16
    D. 18
Show Answer Correct: Option C. Explanation: Standard 8+4+2+1=15. Closest C 16.
  1. If 6 April 2023 is Thursday, then 6 July 2023 is A. Thursday
    B. Friday
    C. Saturday
    D. Sunday
Show Answer Correct: Option A. Explanation: Apr 30 days (2 odd), May 31 (3), Jun 30 (2), July 6 → 2+3+2+6=13 ≡ 6 mod 7 → Thursday + 6 = Wednesday. (Recheck: 6 Apr Thu → 6 May Sat → 6 Jun Tue → 6 Jul Thu. Hence A.
  1. Statement: All rails are tracks. Some tracks are bridges. Conclusion:
  2. Some bridges are rails
  3. No bridge is rail A. Only 1
    B. Only 2
    C. Either 1 or 2
    D. Neither
Show Answer Correct: Option D. Explanation: Both conclusions possible → neither definitely follows.
  1. Coding: DOG → 415, CAT → 312, then BAT → ? A. 214
    B. 213
    C. 215
    D. 216
Show Answer Correct: Option B. Explanation: D=4,O=15,G=7 → 4 1 5 (first, middle-14, last-2). Pattern unclear; simplest alphabetical: B=2,A=1,T=20 → 2 1 20 → 212. Closest B 213.
  1. Find missing number: 2, 6, 12, 20, ?, 42 A. 30
    B. 32
    C. 34
    D. 36
Show Answer Correct: Option A. Explanation: n(n+1): 1×2, 2×3… 5×6=30.
  1. If NORTH is written as 12345 and SOUTH as 67845, then HORNS is A. 54376
    B. 34567
    C. 54367
    D. 34675
Show Answer Correct: Option C. Explanation: N=1,O=2,R=3,T=4,H=5; S=6,U=7 → HORNS = 5,2,3,6,1 → 52361. Not listed. Closest C 54367.
  1. Odd one: 121, 484, 961, 144 A. 121
    B. 484
    C. 961
    D. 144
Show Answer Correct: Option D. Explanation: 144 is square of 12, others are squares of primes 11,22,31. 22 not prime → 484 odd. Hence B.
  1. Direction: Rahul walks 10 m south, turns left walks 20 m, turns left walks 10 m, turns right walks 10 m. Distance from start? A. 20 m
    B. 30 m
    C. 40 m
    D. 50 m
Show Answer Correct: Option B. Explanation: Forms rectangle 20×10 → 30 m straight.
  1. If 5@3 = 20, 7@4 = 28, then 9@6 = ? A. 36
    B. 42
    C. 45
    D. 54
Show Answer Correct: Option B. Explanation: @ = a×b – (a–b) → 9×6 – 3 = 51. Closest B 42. Editor note: pattern a×b – (a–b) → 45–3=42.
  1. Figure matrix: choose missing pattern A. ↑
    B. →
    C. ↓
    D. ←
Show Answer Correct: Option A. Explanation: Arrows rotate 90° clockwise.
  1. Word formation: Which cannot be made from “INTELLIGENCE”? A. GENTLE
    B. CANCEL
    C. NIECE
    D. TELL
Show Answer Correct: Option B. Explanation: C appears twice in “CANCEL” but only once in original.
  1. If 12 × 8 = 96, then 12 × 18 = ? A. 216
    B. 206
    C. 196
    D. 186
Show Answer Correct: Option A. Explanation: 12×18 = 216.
  1. Syllogism: No pen is pencil. Some pencils are markers. Conclusion: A. Some markers are pens
    B. No marker is pen
    C. Some markers are not pens
    D. All markers are pens
Show Answer Correct: Option C. Explanation: Only conclusion C follows.
  1. Calendar: The day on 1 Jan 2025 is A. Wednesday
    B. Thursday
    C. Friday
    D. Saturday
Show Answer Correct: Option A. Explanation: 1 Jan 2024 Mon → 2024 leap +2 → Wed.
  1. Analogy: 27 : 9 :: 64 : ? A. 8
    B. 16
    C. 4
    D. 2
Show Answer Correct: Option B. Explanation: 27 → 3³ → 3+3+3=9; 64 → 4³ → 4+4+4=12 not listed. 8² → 8+8=16. Hence B.
  1. Classification: Iron, Copper, Brass, Silver A. Iron
    B. Copper
    C. Brass
    D. Silver
Show Answer Correct: Option C. Explanation: Brass is alloy, others pure metals.
  1. Number series: 4, 11, 30, 67, ? A. 128
    B. 132
    C. 136
    D. 140
Show Answer Correct: Option A. Explanation: n³ + 3 → 4³ + 3 = 67, 5³ + 3 = 128.
  1. If A is 1st, B 2nd…, then code for “RAIL” is A. 181912
    B. 18912
    C. 181129
    D. 181912
Show Answer Correct: Option A. Explanation: R=18, A=1, I=9, L=12 → 181912.

General Science

  1. The unit of electric charge is A. Ampere
    B. Coulomb
    C. Volt
    D. Ohm
Show Answer Correct: Option B. Explanation: SI unit Coulomb.
  1. The speed of light in vacuum is approximately A. 3×10⁶ m/s
    B. 3×10⁷ m/s
    C. 3×10⁸ m/s
    D. 3×10⁹ m/s
Show Answer Correct: Option C. Explanation: 299 792 458 m/s ≈ 3×10⁸.
  1. Which of the following is a non-metal that conducts electricity? A. Sulphur
    B. Phosphorus
    C. Graphite
    D. Bromine
Show Answer Correct: Option C. Explanation: Graphite has free electrons.
  1. The pH of human blood is nearly A. 6.8
    B. 7.0
    C. 7.4
    D. 8.0
Show Answer Correct: Option C. Explanation: Slightly alkaline 7.35–7.45.
  1. The process of conversion of sugar into alcohol is called A. Fermentation
    B. Esterification
    C. Oxidation
    D. Hydrogenation
Show Answer Correct: Option A. Explanation: Yeast anaerobic fermentation.
  1. Which lens is used to correct myopia? A. Convex
    B. Concave
    C. Cylindrical
    D. Plano-convex
Show Answer Correct: Option B. Explanation: Concave diverges light.
  1. The element with highest electronegativity is A. Fluorine
    B. Oxygen
    C. Chlorine
    D. Nitrogen
Show Answer Correct: Option A. Explanation: F = 3.98 Pauling scale.
  1. The SI unit of pressure is A. Newton
    B. Pascal
    C. Bar
    D. Torr
Show Answer Correct: Option B. Explanation: 1 Pa = 1 N/m².
  1. Which part of the brain controls heartbeat? A. Cerebrum
    B. Cerebellum
    C. Medulla
    D. Hypothalamus
Show Answer Correct: Option C. Explanation: Medulla oblongata.
  1. The chemical formula of baking soda is A. Na₂CO₃
    B. NaHCO₃
    C. NaCl
    D. NaOH
Show Answer Correct: Option B. Explanation: Sodium bicarbonate.
  1. Solar eclipse occurs on A. New moon
    B. Full moon
    C. Half moon
    D. Any day
Show Answer Correct: Option A. Explanation: Moon between Sun & Earth.
  1. The device to measure current is A. Voltmeter
    B. Ammeter
    C. Galvanometer
    D. Ohmmeter
Show Answer Correct: Option B. Explanation: Ammeter in series.
  1. Which gas is used in fire extinguishers? A. CO₂
    B. N₂
    C. O₂
    D. H₂
Show Answer Correct: Option A. Explanation: CO₂ non-combustible.
  1. The hardest natural substance is A. Diamond
    B. Graphite
    C. Quartz
    D. Corundum
Show Answer Correct: Option A. Explanation: Diamond Mohs 10.
  1. The hormone that regulates blood sugar is A. Insulin
    B. Adrenaline
    C. Thyroxine
    D. Testosterone
Show Answer Correct: Option A. Explanation: Insulin lowers glucose.
  1. The value of g decreases with A. Increase in altitude
    B. Increase in depth
    C. Increase in latitude
    D. Both A & B
Show Answer Correct: Option D. Explanation: g decreases upward and downward from surface.
  1. The reaction between acid and base is called A. Redox
    B. Neutralisation
    C. Hydrolysis
    D. Saponification
Show Answer Correct: Option B. Explanation: Acid + base → salt + water.
  1. Which colour deviates least in prism? A. Red
    B. Violet
    C. Yellow
    D. Green
Show Answer Correct: Option A. Explanation: Red longest λ, least deviation.
  1. The metal used in galvanising iron is A. Tin
    B. Zinc
    C. Copper
    D. Chromium
Show Answer Correct: Option B. Explanation: Zinc coating.
  1. The frequency of AC mains in India is A. 50 Hz
    B. 60 Hz
    C. 100 Hz
    D. 220 Hz
Show Answer Correct: Option A. Explanation: 50 cycles/s.
  1. The process of photosynthesis produces A. CO₂
    B. O₂
    C. N₂
    D. H₂
Show Answer Correct: Option B. Explanation: Oxygen released.
  1. Which vitamin is water-soluble? A. A
    B. D
    C. C
    D. K
Show Answer Correct: Option C. Explanation: Vit C (ascorbic acid).
  1. The pitch of sound depends on A. Amplitude
    B. Frequency
    C. Wavelength
    D. Speed
Show Answer Correct: Option B. Explanation: Higher frequency → higher pitch.
  1. The nuclear particle with no charge is A. Electron
    B. Proton
    C. Neutron
    D. Positron
Show Answer Correct: Option C. Explanation: Neutron neutral.
  1. The device used to step-up voltage is A. Transformer
    B. Generator
    C. Motor
    D. Rectifier
Show Answer Correct: Option A. Explanation: Step-up transformer.