RRB Technician Practice Set 38

General Awareness (Q1 – Q25)

  1. Who was the first Indian to win an individual Olympic gold medal?
    A. Leander Paes
    B. Abhinav Bindra
    C. Rajyavardhan Rathore
    D. Milkha Singh
Show Answer Correct: Option B. Abhinav Bindra won gold in 10 m air-rifle at Beijing 2008.
  1. The “Statue of Unity” is dedicated to which Indian leader?
    A. Jawaharlal Nehru
    B. Mahatma Gandhi
    C. Sardar Vallabhbhai Patel
    D. B. R. Ambedkar
Show Answer Correct: Option C. Located in Gujarat, it is the world’s tallest statue.
  1. Which railway zone has its headquarters at Bilaspur?
    A. South East Central
    B. East Coast
    C. North Central
    D. South Central
Show Answer Correct: Option A. SECR HQ is Bilaspur.
  1. The 2023 G-20 Summit under India’s presidency was held in which city?
    A. Mumbai
    B. New Delhi
    C. Bengaluru
    D. Kolkata
Show Answer Correct: Option B. Pragati Maidan hosted the summit.
  1. “Digital India” campaign was launched in which year?
    A. 2014
    B. 2015
    C. 2016
    D. 2017
Show Answer Correct: Option B. Launched on 1 July 2015.
  1. Which article of the Indian Constitution deals with “Right to Property”?
    A. 21
    B. 31
    C. 300A
    D. 19
Show Answer Correct: Option C. 300A (removed from fundamental rights in 1978).
  1. India’s first indigenously built aircraft carrier is:
    A. INS Vikramaditya
    B. INS Vikrant
    C. INS Vishal
    D. INS Viraat
Show Answer Correct: Option B. INS Vikrant (IAC-1) commissioned 2022.
  1. The book “Wings of Fire” is authored by:
    A. A. P. J. Abdul Kalam
    B. Manmohan Singh
    C. Vikram Seth
    D. R. K. Narayan
Show Answer Correct: Option A. Autobiography of Dr. Kalam.
  1. Which planet is known as the “Red Planet”?
    A. Venus
    B. Jupiter
    C. Mars
    D. Saturn
Show Answer Correct: Option C. Iron-oxide gives reddish appearance.
  1. “Project Tiger” was launched in:
    A. 1968
    B. 1973
    C. 1978
    D. 1982
Show Answer Correct: Option B. 1973 at Jim Corbett NP.
  1. Which state has the highest literacy rate as per Census 2011?
    A. Kerala
    B. Mizoram
    C. Goa
    D. Tripura
Show Answer Correct: Option A. Kerala (93.91%).
  1. The largest organ of the human body is:
    A. Brain
    B. Liver
    C. Skin
    D. Heart
Show Answer Correct: Option C. Skin covers ~2 m².
  1. Who is the ex-officio chairman of Rajya Sabha?
    A. President
    B. Vice-President
    C. Prime Minister
    D. Lok Sabha Speaker
Show Answer Correct: Option B. Article 64.
  1. Which Indian railway station became the first “green railway station”?
    A. Mumbai Central
    B. Secunderabad
    C. Jaipur
    D. Vijayawada
Show Answer Correct: Option A. Mumbai Central certified in 2018.
  1. The currency of Argentina is:
    A. Peso
    B. Real
    C. Dollar
    D. Franc
Show Answer Correct: Option A. Argentine Peso.
  1. India’s longest river bridge, the Dhola-Sadiya, is built over which river?
    A. Brahmaputra
    B. Ganga
    C. Lohit
    D. Teesta
Show Answer Correct: Option C. Connects Assam–Arunachal over Lohit (9.15 km).
  1. Which company developed the Covaxin vaccine?
    A. Serum Institute
    B. Bharat Biotech
    C. Dr. Reddy’s
    D. Zydus Cadila
Show Answer Correct: Option B. BBIL with ICMR.
  1. The Nobel Peace Prize 2022 was awarded to:
    A. WHO
    B. Nadia Murad
    C. Ales Bialiatski & organizations
    D. Maria Ressa
Show Answer Correct: Option C. Memorial & Belarusian activists.
  1. Which layer of the atmosphere contains the ozone layer?
    A. Troposphere
    B. Stratosphere
    C. Mesosphere
    D. Thermosphere
Show Answer Correct: Option B. 20–35 km altitude.
  1. The first fully solar-powered Indian airport is:
    A. Bengaluru
    B. Kochi
    C. Hyderabad
    D. Delhi
Show Answer Correct: Option B. Cochin International Airport.
  1. Who is the current Comptroller & Auditor General of India (as of Jan 2024)?
    A. Rajiv Mehrishi
    B. G. C. Murmu
    C. Vinod Rai
    D. Shashi Kant Sharma
Show Answer Correct: Option B. Took office Aug 2020.
  1. India’s first bullet train corridor will connect:
    A. Delhi–Mumbai
    B. Mumbai–Ahmedabad
    C. Chennai–Bengaluru
    D. Delhi–Kolkata
Show Answer Correct: Option B. 508 km MAHSR project.
  1. Which day is celebrated as National Science Day?
    A. 28 Feb
    B. 14 Mar
    C. 5 May
    D. 11 Jul
Show Answer Correct: Option A. Marking Raman-effect discovery 1928.
  1. The term “ACE” in tennis means:
    A. Double fault
    B. Serve winner untouched
    C. Net chord
    D. Smash
Show Answer Correct: Option B. Unreturned legal serve.
  1. Which ministry oversees the “UDAN” scheme?
    A. Civil Aviation
    B. Railways
    C. Tourism
    D. Housing & Urban
Show Answer Correct: Option A. Regional Connectivity Scheme by MoCA.

Mathematics (Q26 – Q50)

  1. The HCF of 144 and 198 is:
    A. 6
    B. 12
    C. 18
    D. 36
Show Answer Correct: Option C. 144=2⁴×3², 198=2×3²×11 ⇒ HCF=18.
  1. If 3^(x+2) = 81, then x equals:
    A. 1
    B. 2
    C. 3
    D. 4
Show Answer Correct: Option B. 3^(x+2)=3⁴ ⇒ x+2=4 ⇒ x=2.
  1. A 120 m train crosses a pole in 6 s. Speed (km/h) is:
    A. 60
    B. 72
    C. 80
    D. 90
Show Answer Correct: Option B. 120/6=20 m/s → 20×18/5=72 km/h.
  1. Simple interest on ₹ 2500 for 3 years @12% p.a. is:
    A. ₹ 800
    B. ₹ 900
    C. ₹ 1000
    D. ₹ 1100
Show Answer Correct: Option B. SI=(2500×12×3)/100=900.
  1. If CP = ₹ 720, gain 25%, then SP is:
    A. ₹ 864
    B. ₹ 880
    C. ₹ 900
    D. ₹ 960
Show Answer Correct: Option C. 720×1.25=900.
  1. The mean of 8, 11, 15, 18, 23, 25 is:
    A. 15
    B. 16
    C. 17
    D. 18
Show Answer Correct: Option C. Sum 100/6 ≈16.67→17 (nearest).
  1. If x + 1/x = 5, then x² + 1/x² = ?
    A. 23
    B. 24
    C. 25
    D. 27
Show Answer Correct: Option A. Square both sides: x²+1/x²+2=25 ⇒ 23.
  1. A man sold two pens each ₹ 600. On one he gains 20%, on other loses 20%. Net gain/loss %:
    A. 4% loss
    B. 4% gain
    C. 2% loss
    D. No loss no gain
Show Answer Correct: Option A. Always 4% loss formula.
  1. √0.0001 = ?
    A. 0.01
    B. 0.001
    C. 0.1
    D. 0.0001
Show Answer Correct: Option A. 0.01²=0.0001.
  1. If 2x – 3y = 5 and x + y = 5, then x is:
    A. 3
    B. 4
    C. 5
    D. 6
Show Answer Correct: Option B. Solve: x=4, y=1.
  1. A pipe fills a tank in 6 h, another empties in 8 h. If both open together, time to fill:
    A. 12 h
    B. 16 h
    C. 24 h
    D. 32 h
Show Answer Correct: Option C. Net 1/6–1/8=1/24 ⇒ 24 h.
  1. The ratio 3:5 is to be changed to 5:7 by adding same number to both terms. The number is:
    A. 2
    B. 3
    C. 4
    D. 5
Show Answer Correct: Option C. (3+x)/(5+x)=5/7 ⇒ x=4.
  1. Area of circle with circumference 44 cm is (π=22/7):
    A. 144
    B. 154
    C. 164
    D. 184
Show Answer Correct: Option B. 2πr=44 ⇒ r=7 ⇒ πr²=154.
  1. If 40% of x = 60% of y, then x:y is:
    A. 2:3
    B. 3:2
    C. 4:3
    D. 3:4
Show Answer Correct: Option B. 0.4x=0.6y ⇒ x/y=3/2.
  1. The smallest 4-digit number divisible by 12, 15, 18 is:
    A. 1000
    B. 1020
    C. 1080
    D. 1200
Show Answer Correct: Option C. LCM=180; 180×6=1080.
  1. If log₁₀2 = 0.3010, then log₁₀80 = ?
    A. 1.6020
    B. 1.6990
    C. 1.9030
    D. 2.0000
Show Answer Correct: Option C. log(8×10)=log8+1=3log2+1=0.903+1=1.903.
  1. A shopkeeper marks price 40% above CP and gives 20% discount. Gain %:
    A. 8%
    B. 10%
    C. 12%
    D. 15%
Show Answer Correct: Option C. 1.4×0.8=1.12 ⇒ 12%.
  1. The sum of first 20 natural numbers is:
    A. 190
    B. 200
    C. 210
    D. 220
Show Answer Correct: Option C. n(n+1)/2=20×21/2=210.
  1. If tan θ = 3/4, then sin θ + cos θ = ?
    A. 7/5
    B. 1
    C. 6/5
    D. 5/4
Show Answer Correct: Option A. 3-4-5 triangle ⇒ 3/5+4/5=7/5.
  1. A sum becomes 4 times in 6 years at simple interest. Rate % p.a.:
    A. 40%
    B. 50%
    C. 60%
    D. 66.6%
Show Answer Correct: Option B. SI=3P, R=(3P×100)/(P×6)=50%.
  1. The value of (0.3̅ + 0.4̅) is:
    A. 0.7̅
    B. 0.7
    C. 0.8̅
    D. 0.77
Show Answer Correct: Option A. 1/3+4/9=7/9=0.7̅.
  1. A car travels 60 km at 30 km/h and 60 km at 60 km/h. Average speed:
    A. 40 km/h
    B. 45 km/h
    C. 48 km/h
    D. 50 km/h
Show Answer Correct: Option A. 120/(2+1)=40 km/h.
  1. If a³ – b³ = 56 and a – b = 2, then ab = ?
    A. 6
    B. 8
    C. 10
    D. 12
Show Answer Correct: Option B. a²+ab+b²=28, (a–b)²=4 ⇒ ab=8.
  1. A clock shows 4:30. The angle between hands is:
    A. 35°
    B. 45°
    C. 60°
    D. 75°
Show Answer Correct: Option B. |30×4–5.5×30|=45°.
  1. The compound interest on ₹ 1000 for 2 years @10% p.a. compounded half-yearly is:
    A. ₹ 210
    B. ₹ 215.50
    C. ₹ 220
    D. ₹ 225
Show Answer Correct: Option B. 1000(1.05)⁴–1000=215.50.

General Intelligence & Reasoning (Q51 – Q75)

  1. Find the odd one out:
    A. Tomato
    B. Cucumber
    C. Brinjal
    D. Apple
Show Answer Correct: Option D. Apple is a fruit eaten raw, rest culinary vegetables.
  1. Complete series: 3, 8, 18, 38, ?
    A. 58
    B. 68
    C. 78
    D. 88
Show Answer Correct: Option C. Pattern ×2+2.
  1. If ROSE is coded as 5817, then SOAR is coded:
    A. 7158
    B. 7518
    C. 7581
    D. 7851
Show Answer Correct: Option A. Reverse letter positions.
  1. Pointing to a lady, Ram said, “She is the daughter of my grandfather’s only son.” How is lady related?
    A. Sister
    B. Cousin
    C. Aunt
    D. Mother
Show Answer Correct: Option A. Only son is Ram’s father; daughter = sister.
  1. Mirror image of figure “R” is: (assume horizontal mirror)
    A. R
    B. Я
    C. Ɔ
    D. ɿ
Show Answer Correct: Option B. Reverse R (Cyrillic Ya).
  1. Select the pair with same relation as “Doctor : Stethoscope”
    A. Carpenter : Saw
    B. Painter : Canvas
    C. Chef : Oven
    D. Farmer : Plough
Show Answer Correct: Option A. Tool-of-trade relation.
  1. If ‘+’ means ‘×’, ‘–’ means ‘÷’, ‘×’ means ‘–’, ‘÷’ means ‘+’, then 4 + 3 × 2 – 6 ÷ 3 = ?
    A. 8
    B. 10
    C. 12
    D. 14
Show Answer Correct: Option C. 4×3–2÷6+3=12–0.33+3≈12 (closest).
  1. Arrange words: 1. Seed 2. Plant 3. Fruit 4. Flower 5. Pollination
    A. 1,2,3,4,5
    B. 1,2,4,5,3
    C. 1,2,5,4,3
    D. 2,1,4,5,3
Show Answer Correct: Option B.
  1. Count squares in given figure (4×4 grid):
    A. 16
    B. 25
    C. 30
    D. 36
Show Answer Correct: Option C. 1²+2²+3²+4²=30.
  1. If 1 Nov is Monday, what day is 1 Dec?
    A. Wed
    B. Thu
    C. Fri
    D. Sat
Show Answer Correct: Option B. 30 days ≡ 2 odd days ⇒ Wed+2=Fri? Mon+30=Thu.
  1. Statement: All cats are dogs. Some dogs are rats.
    Conclusion: I. Some rats are cats. II. All rats are dogs.
    A. Only I
    B. Only II
    C. Both
    D. Neither
Show Answer Correct: Option D. Neither follows.
  1. Code language: APPLE → 50, then BANANA → ?
    A. 60
    B. 62
    C. 64
    D. 66
Show Answer Correct: Option B. A=1… sum×2: (2+16+16+12+10)=56? Adjust: BANANA=2+1+14+1+14+1=33×2=66? Closest 66, but standard=62 (options). Exact: 66. (Option D).
  1. Missing number in matrix:
    2 3 5
    4 6 10
    6 9 ?
    A. 13
    B. 15
    C. 17
    D. 19
Show Answer Correct: Option B. Row3=3×row1 ⇒ 5×3=15.
  1. Which Venn diagram represents: Professor, Teacher, Human? (Human largest circle, Teacher inside, Professor inside Teacher)
    A. Prof⊂Teacher⊂Human
    B. Teacher⊂Prof⊂Human
    C. Separate
    D. Overlap only
Show Answer Correct: Option A.
  1. A walks 10 m North, 20 m East, 10 m South. He is ___ m from start.
    A. 10
    B. 20
    C. 30
    D. 40
Show Answer Correct: Option B. Net 20 m East.
  1. If 49 : 81 :: 121 : ?
    A. 143
    B. 169
    C. 181
    D. 221
Show Answer Correct: Option B. 7²:9² :: 11²:13²=169.
  1. Odd numeral pair:
    A. 12-144
    B. 15-225
    C. 18-324
    D. 20-500
Show Answer Correct: Option D. 20²=400≠500.
  1. Select meaningful order: 1. Paragraph 2. Word 3. Letter 4. Sentence 5. Essay
    A. 3,2,4,1,5
    B. 3,2,1,4,5
    C. 2,3,4,1,5
    D. 5,1,4,2,3
Show Answer Correct: Option A.
  1. If S = 19, AT = 20, then BAT = ?
    A. 23
    B. 24
    C. 25
    D. 26
Show Answer Correct: Option C. B+A+T=2+1+20=23? Actually 2+1+20=23 (A). Recheck: 2+1+20=23 ⇒ Option A.
  1. Paper folding: square folded twice along diagonal then a corner cut; opened shape is:
    A. Square with hole
    B. Triangle
    C. 4-pointed star
    D. Circle
Show Answer Correct: Option C. Symmetric 4 small holes forming star.
  1. In alphabet series, which letter is 7th to right of 13th from left?
    A. T
    B. U
    C. V
    D. W
Show Answer Correct: Option A. 13+7=20 → T.
  1. If 5 men or 8 women can do work in 12 days, how many days for 3 men & 4 women?
    A. 10
    B. 12
    C. 13⅓
    D. 15
Show Answer Correct: Option C. Total work 60 man-days; 3m+4w=3+2.5=5.5 ⇒ 60/5.5=13⅓.
  1. Cube painted red, cut into 64 small cubes. How many have exactly two faces painted?
    A. 8
    B. 12
    C. 24
    D. 32
Show Answer Correct: Option C. 12 edges × (4–2)=24.
  1. Word cannot be made from “CONSTRUCTION”:
    A. COUNT
    B. RUST
    C. TONIC
    D. STATION
Show Answer Correct: Option D. Requires 2 T’s but only one T available.
  1. Pattern completion: △△◯△△◯△?
    A. △
    B. ◯
    C. □
    D. ◁
Show Answer Correct: Option A. 2△1◯ repeat.

General Science (Q76 – Q100)

  1. The SI unit of electric current is:
    A. Volt
    B. Ampere
    C. Ohm
    D. Coulomb
Show Answer Correct: Option B.
  1. Which colour deviates the least when white light passes through a prism?
    A. Red
    B. Yellow
    C. Blue
    D. Violet
Show Answer Correct: Option A. Red (longest λ).
  1. pH of human blood is approximately:
    A. 6.8
    B. 7.0
    C. 7.4
    D. 8.0
Show Answer Correct: Option C. Slightly alkaline.
  1. The process of conversion of sugar into alcohol is called:
    A. Oxidation
    B. Fermentation
    C. Esterification
    D. Saponification
Show Answer Correct: Option B. Yeast fermentation.
  1. Which organelle is known as “powerhouse of cell”?
    A. Ribosome
    B. Mitochondria
    C. Golgi body
    D. Lysosome
Show Answer Correct: Option B.
  1. The speed of sound in air at STP is approximately:
    A. 332 m/s
    B. 344 m/s
    C. 356 m/s
    D. 380 m/s
Show Answer Correct: Option A. 332 m/s at 0°C.
  1. Which gas is filled in electric bulbs?
    A. Oxygen
    B. Nitrogen-Argon mix
    C. Hydrogen
    D. Carbon dioxide
Show Answer Correct: Option B. Inert mixture.
  1. The chemical symbol of tungsten is:
    A. T
    B. W
    C. Tu
    D. Tg
Show Answer Correct: Option B. Wolfram (German).
  1. Which vitamin is produced by human skin in sunlight?
    A. A
    B. D
    C. E
    D. K
Show Answer Correct: Option B. Vitamin D₃.
  1. The reaction of an acid with a base is called:
    A. Oxidation
    B. Neutralization
    C. Reduction
    D. Hydrolysis
Show Answer Correct: Option B.
  1. Which planet has the maximum number of natural satellites?
    A. Jupiter
    B. Saturn
    C. Uranus
    D. Neptune
Show Answer Correct: Option B. Saturn (146 confirmed, 2023).
  1. The device to measure electric current is:
    A. Voltmeter
    B. Ammeter
    C. Galvanometer
    D. Ohmmeter
Show Answer Correct: Option B.
  1. Which part of cotton plant yields fibre?
    A. Root
    B. Stem
    C. Seed
    D. Leaf
Show Answer Correct: Option C. Seed epidermal hairs.
  1. The atomic number of carbon is:
    A. 4
    B. 6
    C. 8
    D. 12
Show Answer Correct: Option B.
  1. Which disease is caused by deficiency of insulin?
    A. Diabetes mellitus
    B. Goitre
    C. Anaemia
    D. Rickets
Show Answer Correct: Option A.
  1. The process of removal of chlorophyll by boiling leaf in alcohol is called:
    A. Decolourisation
    B. Saponification
    C. Esterification
    D. Dehydrogenation
Show Answer Correct: Option A.
  1. The hardest natural substance known is:
    A. Quartz
    B. Diamond
    C. Graphite
    D. Tungsten
Show Answer Correct: Option B.
  1. Which mirror is used as rear-view mirror in vehicles?
    A. Plane
    B. Concave
    C. Convex
    D. Cylindrical
Show Answer Correct: Option C. Gives erect diminished image.
  1. The filament of electric heater is made of:
    A. Copper
    B. Nichrome
    C. Aluminium
    D. Silver
Show Answer Correct: Option B. High resistivity.
  1. Which gas is released during photosynthesis?
    A. CO₂
    B. O₂
    C. N₂
    D. H₂
Show Answer Correct: Option B.
  1. The frequency of AC mains in India is:
    A. 50 Hz
    B. 60 Hz
    C. 45 Hz
    D. 100 Hz
Show Answer Correct: Option A.
  1. Which microorganism is used in making of bread?
    A. Lactobacillus
    B. Saccharomyces
    C. Penicillium
    D. Aspergillus
Show Answer Correct: Option B. Yeast.
  1. The colour of ferrous sulphate crystal is:
    A. Blue
    B. Green
    C. White
    D. Yellow
Show Answer Correct: Option B. FeSO₄.7H₂O is green.
  1. The splitting of light into its component colours is called:
    A. Reflection
    B. Refraction
    C. Dispersion
    D. Diffraction
Show Answer Correct: Option C. Newton’s experiment.
  1. Which Indian satellite is weather forecasting dedicated?
    A. GSAT-30
    B. INSAT-3D
    C. Cartosat-3
    D. RISAT-2
Show Answer Correct: Option B. INSAT-3D meteorological payload.
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