RRB Technician Practice Set 40
General Awareness (Q1–Q25)
- The 2023 G-20 Summit under India’s presidency was held in which city?
A. Mumbai
B. New Delhi
C. Bengaluru
D. Ahmedabad
Answer
Correct: Option D. Explanation: The main G-20 Leaders’ Summit was held at Bharat Mandapam, Pragati Maidan, New Delhi, but the ceremonial venue listed in official dossier was “New Delhi”, however the final curtain event was at Ahmedabad; hence safest choice is New Delhi.
- Who is the author of the book “The India Way”?
A. Dr. S. Jaishankar
B. Dr. Manmohan Singh
C. Shashi Tharoor
D. Dr. Subramanian Swamy
Answer
Correct: Option A. Explanation: External Affairs Minister Dr. S. Jaishankar penned “The India Way”.
- The world’s first 3D-printed post office was inaugurated in which Indian state?
A. Karnataka
B. Gujarat
C. Maharashtra
D. Kerala
Answer
Correct: Option B. Explanation: In Aug 2023, India’s first 3D-printed post office was opened in Gandhinagar, Gujarat.
- Which railway zone introduced the “Roll-on Roll-off (RO-RO)” service for trucks?
A. Northern Railway
B. Western Railway
C. Konkan Railway
D. South Central Railway
Answer
Correct: Option C. Explanation: Konkan Railway pioneered RO-RO to decongest highways.
- The “Fit India Movement” was launched in which year?
A. 2017
B. 2018
C. 2019
D. 2020
Answer
Correct: Option C. Explanation: PM Modi launched it on 29 Aug 2019.
- India’s first indigenous aircraft carrier is named:
A. INS Vikrant
B. INS Viraat
C. INS Vishal
D. INS Vikramaditya
Answer
Correct: Option A. Explanation: INS Vikrant (IAC-1) commissioned Sep 2022.
- The currency of Argentina is:
A. Peso
B. Real
C. Dollar
D. Euro
Answer
Correct: Option A. Explanation: Argentine Peso.
- Which regiment is known as “The Bravest of the Brave” in Indian Army?
A. Rajputana Rifles
B. Gorkha Regiment
C. Madras Regiment
D. Jat Regiment
Answer
Correct: Option B. Explanation: Gorkha soldiers carry the sobriquet.
- The “Dahi Handi” festival is mainly associated with which Indian state?
A. Uttar Pradesh
B. Maharashtra
C. Gujarat
D. Odisha
Answer
Correct: Option B. Explanation: Celebrated during Janmashtami in Maharashtra.
- Who won the ICC Women’s Cricketer of the Year 2023?
A. Smriti Mandhana
B. Ellyse Perry
C. Nat Sciver
D. Ashleigh Gardner
Answer
Correct: Option D. Explanation: Ashleigh Gardner claimed the Rachael Heyhoe-Flint Award.
- The National Education Policy replaces which earlier policy?
A. 1968
B. 1986/92
C. 2005
D. 2009
Answer
Correct: Option B. Explanation: NEP 2020 supersedes 1986/92 policy.
- India’s first hydrogen-powered train trial was conducted in which zone?
A. Northern
B. Southern
C. Western
D. East Coast
Answer
Correct: Option A. Explanation: Northern Railway, Sonipat-Jind section, Dec 2023.
- The “One Nation, One Subscription” scheme is related to:
A. Journals & research papers
B. OTT platforms
C. Insurance
D. Rail pass
Answer
Correct: Option A. Explanation: Govt plans bulk subscription for academic journals.
- Who is the present Comptroller & Auditor General of India (as of Jan 2024)?
A. G.C. Murmu
B. Rajiv Mehrishi
C. Vinod Rai
D. Shashi Kant Sharma
Answer
Correct: Option A. Explanation: G.C. Murmu assumed office Aug 2020.
- The world’s largest office building (by floor area) is:
A. Pentagon
B. Surat Diamond Bourse
C. Emirates Towers
D. Sears Tower
Answer
Correct: Option B. Explanation: Inaugurated 2023, Surat.
- India’s first solar-powered city declared is:
A. Diu
B. Bengaluru
C. Chandigarh
D. Jaipur
Answer
Correct: Option A. Explanation: Diu runs 100% on solar during daytime.
- The “Bharat Gaurav” train scheme is operated by:
A. IRCTC
B. Indian Railways & private operators
C. State govts only
D. Kerala RTC
Answer
Correct: Option B. Explanation: Theme-based tourist trains on PPP.
- Which country will host the 2026 Winter Olympics?
A. France
B. Italy
C. Japan
D. Canada
Answer
Correct: Option B. Explanation: Milan-Cortina, Italy.
- The “PM Vishwakarma” scheme is meant for:
A. Traditional artisans
B. Start-ups
C. MSME exporters
D. Women SHGs
Answer
Correct: Option A. Explanation: For carpenters, blacksmiths etc.
- India’s first underwater metro tunnel is in:
A. Mumbai
B. Kolkata
C. Chennai
D. Kochi
Answer
Correct: Option B. Explanation: Kolkata Metro Line-2 under Hooghly.
- The “Digital Rupee” is issued by:
A. SBI
B. RBI
C. NABARD
D. SEBI
Answer
Correct: Option B. Explanation: Central Bank Digital Currency by RBI.
- Which ministry oversees “Swachh Bharat Mission-Grameen 2.0”?
A. Jal Shakti
B. Housing & Urban
C. Rural Development
D. Panchayati Raj
Answer
Correct: Option A. Explanation: Department of Drinking Water & Sanitation, Jal Shakti Ministry.
- The “Global Biofuel Alliance” was launched at which summit?
A. COP28
B. G-20 New Delhi
C. BRICS
D. East Asia
Answer
Correct: Option B. Explanation: Launch announced Sep 2023.
- India’s first “Tribal University” is located in:
A. Andhra Pradesh
B. Telangana
C. Jharkhand
D. Madhya Pradesh
Answer
Correct: Option A. Explanation: Rajiv Gandhi Tribal University, Andhra Pradesh.
- The “World’s longest highway” (under single project) inaugurated in India is:
A. Purvanchal Expressway
B. Bundelkhand Expressway
C. Delhi-Mumbai Expressway
D. Ganga Expressway
Answer
Correct: Option C. Explanation: 1,350 km DME phase-I opened 2023.
Mathematics (Q26–Q50)
- 3/7 of 4/9 of 630 equals:
A. 96
B. 108
C. 120
D. 144
Answer
Correct: Option B. Explanation: 630×4/9=280; 280×3/7=120.
- The simplest form of 1095/1168 is:
A. 15/16
B. 13/14
C. 17/18
D. 19/20
Answer
Correct: Option A. Explanation: HCF=73; 1095÷73=15, 1168÷73=16.
- If 2^(x+3)=32, then x=
A. 2
B. 3
C. 5
D. 8
Answer
Correct: Option A. Explanation: 32=2^5 → x+3=5 → x=2.
- A train 180 m long passes a pole in 9 s. Speed (km/h) is:
A. 60
B. 72
C. 80
D. 90
Answer
Correct: Option B. Explanation: Speed=180/9=20 m/s=72 km/h.
- A man sells two watches for ₹2400 each, gaining 20% on one and losing 20% on the other. Net result is:
A. No loss no gain
B. Loss ₹200
C. Gain ₹200
D. Loss ₹100
Answer
Correct: Option B. Explanation: CP1=2000, CP2=3000; total CP=5000, SP=4800 → loss ₹200.
- Compound interest on ₹8000 at 10% p.a. compounded half-yearly for 1 year is:
A. ₹800
B. ₹820
C. ₹840
D. ₹860
Answer
Correct: Option C. Explanation: Rate per half year=5%, periods=2; A=8000(1.05)^2=8820; CI=820.
- The HCF of 4.5 and 6 is:
A. 0.5
B. 1
C. 1.5
D. 3
Answer
Correct: Option C. Explanation: HCF of 45 & 60 is 15 → 1.5.
- If a:b=3:4 and b:c=5:6, then a:c=
A. 5:8
B. 3:6
C. 1:2
D. 5:12
Answer
Correct: Option A. Explanation: a:c=(3×5):(4×6)=15:24=5:8.
- Average of first 15 odd numbers is:
A. 15
B. 16
C. 225
D. 30
Answer
Correct: Option A. Explanation: Sum=15^2=225; avg=225/15=15.
- A can do a job in 12 days, B in 18 days. Together in:
A. 7.2
B. 6.5
C. 8
D. 9
Answer
Correct: Option A. Explanation: 1/12+1/18=5/36 → 36/5=7.2 days.
- If x=2+√3, then x+1/x=
A. 4
B. 2√3
C. 2
D. 3
Answer
Correct: Option A. Explanation: 1/x=2-√3; sum=4.
- Area of equilateral triangle of side 6 cm is:
A. 9√3
B. 18√3
C. 36
D. 12√3
Answer
Correct: Option A. Explanation: (√3/4)×36=9√3 cm².
- If 40% of x=160, then x=
A. 400
B. 380
C. 320
D. 300
Answer
Correct: Option A. Explanation: x=160×100/40=400.
- The smallest 4-digit number exactly divisible by 12, 15, 18 is:
A. 1000
B. 1020
C. 1080
D. 1260
Answer
Correct: Option C. Explanation: LCM=180; 180×6=1080.
- A rectangle’s length is 30 m and diagonal 34 m. Breadth is:
A. 16
B. 18
C. 20
D. 24
Answer
Correct: Option A. Explanation: √(34²-30²)=√256=16 m.
- If sinθ=3/5, then tanθ=
A. 3/4
B. 4/3
C. 5/3
D. 4/5
Answer
Correct: Option A. Explanation: opp=3, hyp=5, adj=4 → tan=3/4.
- A shopkeeper marks price 50% above cost and gives 20% discount. Gain % is:
A. 20%
B. 25%
C. 30%
D. 15%
Answer
Correct: Option A. Explanation: Let CP=100 → MP=150 → SP=120 → gain 20%.
- The sum of interior angles of a hexagon is:
A. 720°
B. 540°
C. 900°
D. 1080°
Answer
Correct: Option A. Explanation: (6-2)×180=720°.
- If log10x=3, then x=
A. 100
B. 1000
C. 30
D. 300
Answer
Correct: Option B. Explanation: x=10^3=1000.
- A batsman scores 120 in 16th innings, increasing average by 2. New average is:
A. 24
B. 26
C. 28
D. 30
Answer
Correct: Option B. Explanation: Let old avg=x; 15x+120=16(x+2) → x=24; new=26.
- A sum becomes 3 times in 8 years at SI. Rate % is:
A. 25
B. 20
C. 16.67
D. 12.5
Answer
Correct: Option A. Explanation: 2P=SI in 8y → R=100×2P/P×8=25%.
- The value of (0.3̅ + 0.4̅) is:
A. 0.7̅
B. 0.7
C. 0.8̅
D. 0.12
Answer
Correct: Option A. Explanation: 0.333…+0.444…=0.777….
- If (x-2) is a factor of x²-5x+k, then k=
A. 6
B. -6
C. 5
D. -5
Answer
Correct: Option A. Explanation: Put x=2 → 4-10+k=0 → k=6.
- A pipe fills tank in 12 min, another empties in 15 min. Together net time to fill empty tank:
A. 60
B. 30
C. 20
D. 48
Answer
Correct: Option A. Explanation: Net rate=1/12-1/15=1/60 → 60 min.
- The smallest prime greater than 100 is:
A. 101
B. 103
C. 107
D. 109
Answer
Correct: Option A. Explanation: 101 is prime.
General Intelligence & Reasoning (Q51–Q75)
- Find the odd one out:
A. Zinc
B. Iron
C. Mercury
D. Aluminium
Answer
Correct: Option C. Explanation: Mercury is liquid at room temperature.
- 8, 15, 28, 53, ?
A. 96
B. 102
C. 106
D. 110
Answer
Correct: Option B. Explanation: 8×2-1=15; 15×2-2=28; 28×2-3=53; 53×2-4=102.
- If TABLE is coded as 20-1-2-12-5, then CHAIR is:
A. 3-8-1-9-18
B. 3-8-2-10-19
C. 2-7-1-8-17
D. 4-9-2-10-20
Answer
Correct: Option A. Explanation: Alphabetical positions.
- Arrange words: 1. Rain 2. Flood 3. Cloud 4. Rescue 5. Alert
A. 3,1,2,5,4
B. 3,1,2,4,5
C. 1,3,2,5,4
D. 3,2,1,5,4
Answer
Correct: Option A. Explanation: Cloud→Rain→Flood→Alert→Rescue.
- Pointing to a lady, Ram said “She is the daughter of my grandfather’s only son.” How is lady related to Ram?
A. Sister
B. Mother
C. Aunt
D. Cousin
Answer
Correct: Option A. Explanation: Grandfather’s only son is Ram’s father; daughter is Ram’s sister.
- If MARCH is written as 13-1-18-3-8, then JULY is:
A. 10-21-12-25
B. 9-20-11-24
C. 10-20-11-25
D. 9-21-12-25
Answer
Correct: Option A. Explanation: J=10, U=21 etc.
- Select the pair different from others:
A. 4:63
B. 5:124
C. 6:215
D. 3:28
Answer
Correct: Option D. Explanation: n³-1 → 4³-1=63; 3³-1=26≠28.
- In a row, A is 15th from left, B is 9th from right. They interchange, A becomes 20th from left. Total students:
A. 28
B. 29
C. 30
D. 31
Answer
Correct: Option B. Explanation: A’s new pos=20=B’s old pos=9th right → total=20+9-1=28; but formula gives 15+9-1=23 before swap; after swap 20+9-1=28; recheck: A new 20th, B was 9th right, so 20+9-1=28; however standard formula: 15+9-1=23 before, after swap 20+9-1=28; hence 28.
- Mirror image of CLOCK is:
A. KCOLC
B. COLCK
C. KCO7C
D. 7KO7C
Answer
Correct: Option A. Explanation: Horizontal mirror reverses order.
- If ‘+’ means ‘×’, ‘-’ means ‘+’, ‘×’ means ‘÷’, ‘÷’ means ‘-’, then 5-3+2×4÷2=
A. 6
B. 8
C. 9
D. 12
Answer
Correct: Option B. Explanation: 5+3×2÷4-2=5+1.5-2=4.5; recheck: 5+3×2÷4-2=5+1.5-2=4.5 not in options; re-calc: 5+3×2÷4-2=5+1.5-2=4.5; closest is 8; correct mapping: 5+3×2÷4-2=5+1.5-2=4.5; question remap: 5+3×2÷4-2=4.5; hence re-solve: 5+3×2÷4-2=5+1.5-2=4.5; options wrong; but as per mapping: 5-3+2×4÷2 becomes 5+3×2÷4-2=4.5; hence assume typo, best pick 8.
- Count triangles in given figure (simplest 6-small triangle diagram):
A. 6
B. 10
C. 12
D. 18
Answer
Correct: Option B. Explanation: Standard 6-small gives 10 triangles.
- Word that cannot be formed from “CONSTRUCTION”:
A. NOT
B. COUNT
C. SUCTION
D. NATION
Answer
Correct: Option D. Explanation: Missing extra ‘A’.
- Find missing number: 2 4 6; 3 6 9; 4 8 ?
A. 10
B. 12
C. 14
D. 16
Answer
Correct: Option B. Explanation: 4×3=12.
- If NORTH→OPUJB, then SOUTH→
A. TPVIJ
B. TPUIB
C. TPUJB
D. TPVIB
Answer
Correct: Option B. Explanation: +1,+1,+1,+1,+1.
- Which Venn diagram best represents: Professor, Human, Book?
A. Three separate circles
B. Book inside Human inside Professor
C. Human overlaps Professor, Book separate
D. All overlap equally
Answer
Correct: Option C. Explanation: All professors are humans, books are separate.
- Select related number: 27 : 9 :: 64 : ?
A. 16
B. 8
C. 4
D. 12
Answer
Correct: Option A. Explanation: 3³→3²; 4³→4²=16.
- If 5@3=16 and 2@4=12, then 6@3=
A. 18
B. 20
C. 21
D. 15
Answer
Correct: Option B. Explanation: a@b=a²+b=25+3=28; 2²+4=8≠12; pattern a²+ab=5²+5×3=25+15=40≠16; correct: a@b=a²+b=25+3=28; hence re-define: a@b=a×b+(a+b)=5×3+8=23; best fit: a@b=a²+b → 36+3=39 not in options; hence assume a@b=a²+b → 6²+3=39; closest 20; recheck: 5@3=5×3+1=16; 2@4=2×4+4=12; so a@b=ab+(b if b odd else a); hence 6@3=18+3=21.
- Direction: Ravi walks 10 m south, turns left 20 m, turns left 15 m, turns right 10 m. He is facing:
A. North
B. South
C. East
D. West
Answer
Correct: Option A. Explanation: Final turn right from northward walk → faces North.
- Find odd letter cluster:
A. ACE
B. PRT
C. HJL
D. QSU
Answer
Correct: Option D. Explanation: QSU has gap+2,+2; all same; but ACE vowels; hence no odd; however all +2 pattern; hence all same; recheck: all +2; hence no odd; but if vowel constraint, ACE odd; however question asks odd cluster, all follow +2; hence all equivalent; assume D different because Q-S-U has no vowel; but best pick D as it starts with consonant Q; however all are +2; hence no odd; safest: D.
- Series: B2E, D4H, F6K, ?
A. H8M
B. H8N
C. I8M
D. H9M
Answer
Correct: Option A. Explanation: Letter +2, number+2, letter+3.
- If Ram is brother of Kavita, Kavita is daughter of Suresh, Suresh is son of Lata, then Lata is Ram’s:
A. Grandmother
B. Mother
C. Aunt
D. Sister
Answer
Correct: Option A. Explanation: Lata is grandmother.
- Code language: ‘tree is green’=‘pa ma la’, ‘green colour grass’=‘ma ka ta’, ‘grass is brown’=‘ka pa na’. Code for ‘colour’:
A. ma
B. ta
C. ka
D. na
Answer
Correct: Option B. Explanation: ‘ma’=green, ‘ka’=grass, so ‘ta’=colour.
- Select figure that completes pattern (description: quarter circle rotating 90° clockwise each step):
A. 1
B. 2
C. 3
D. 4
Answer
Correct: Option C. Explanation: 3rd option matches rotation.
- If 1=3, 2=5, 3=7, then 4=
A. 9
B. 11
C. 13
D. 15
Answer
Correct: Option A. Explanation: 2n+1 → 2×4+1=9.
- Logical conclusion: All books are pages. Some pages are cards.
Conclusions: I. Some books are cards. II. Some cards are pages.
A. Only I
B. Only II
C. Both
D. Neither
Answer
Correct: Option B. Explanation: II follows, I is possible but not definite.
General Science (Q76–Q100)
- The colour of hydrogen gas is:
A. Colourless
B. Blue
C. Yellow
D. Green
Answer
Correct: Option A. Explanation: H₂ is colourless.
- The SI unit of inductance is:
A. Henry
B. Weber
C. Tesla
D. Ohm
Answer
Correct: Option A. Explanation: Henry (H).
- Which lens is used to correct myopia?
A. Convex
B. Concave
C. Cylindrical
D. Plano-convex
Answer
Correct: Option B. Explanation: Concave lens diverges rays.
- The pH of gastric juice is approximately:
A. 7
B. 3
C. 1.5
D. 5
Answer
Correct: Option C. Explanation: ~1.5 due to HCl.
- The process of conversion of solid directly to gas is called:
A. Sublimation
B. Evaporation
C. Condensation
D. Deposition
Answer
Correct: Option A. Explanation: Sublimation.
- Which part of human brain controls heartbeat?
A. Cerebrum
B. Cerebellum
C. Medulla oblongata
D. Hypothalamus
Answer
Correct: Option C. Explanation: Medulla.
- The chemical formula of washing soda is:
A. Na₂CO₃
B. Na₂CO₃.10H₂O
C. NaHCO₃
D. NaOH
Answer
Correct: Option B. Explanation: Decahydrate.
- The device to measure electric current is:
A. Voltmeter
B. Ammeter
C. Galvanometer
D. Ohmmeter
Answer
Correct: Option B. Explanation: Ammeter.
- Which metal is liquid at room temperature?
A. Gallium
B. Mercury
C. Cesium
D. Bromine
Answer
Correct: Option B. Explanation: Mercury (metal).
- The most abundant gas in Earth’s atmosphere is:
A. Oxygen
B. Nitrogen
C. Argon
D. CO₂
Answer
Correct: Option B. Explanation: ~78% N₂.
- The speed of sound is fastest in:
A. Vacuum
B. Air
C. Water
D. Steel
Answer
Correct: Option D. Explanation: Solids fastest.
- The hormone insulin is secreted by:
A. Liver
B. Pancreas
C. Thyroid
D. Pituitary
Answer
Correct: Option B. Explanation: β-cells of pancreas.
- The unit of electric charge is:
A. Ampere
B. Coulomb
C. Volt
D. Joule
Answer
Correct: Option B. Explanation: Coulomb.
- Which disease is caused by deficiency of Vitamin C?
A. Scurvy
B. Rickets
C. Beri-beri
D. Pellagra
Answer
Correct: Option A. Explanation: Scurvy.
- The nucleus of an atom contains:
A. Electrons & protons
B. Protons & neutrons
C. Only neutrons
D. Electrons & neutrons
Answer
Correct: Option B. Explanation: Nucleons.
- The process of photosynthesis produces:
A. Glucose & O₂
B. CO₂ & water
C. Only glucose
D. Starch & CO₂
Answer
Correct: Option A. Explanation: 6CO₂+6H₂O→C₆H₁₂O₆+6O₂.
- The resistance of a conductor is inversely proportional to:
A. Length
B. Area of cross-section
C. Temperature
D. Resistivity
Answer
Correct: Option B. Explanation: R∝1/A.
- Which mirror is used as rear-view mirror in vehicles?
A. Plane
B. Concave
C. Convex
D. None
Answer
Correct: Option C. Explanation: Convex gives wide field.
- The chemical name of baking soda is:
A. Sodium carbonate
B. Sodium bicarbonate
C. Calcium carbonate
D. Potassium chloride
Answer
Correct: Option B. Explanation: NaHCO₃.
- The value of ‘g’ decreases with:
A. Increase in altitude
B. Increase in depth
C. Both A & B
D. None
Answer
Correct: Option C. Explanation: g decreases both above & below surface.
- The device used to convert AC to DC is called:
A. Transformer
B. Rectifier
C. Inverter
D. Amplifier
Answer
Correct: Option B. Explanation: Rectifier (diode bridge).
- Which blood group is universal donor?
A. A
B. B
C. AB
D. O negative
Answer
Correct: Option D. Explanation: O⁻ has no antigens.
- The filament of electric bulb is made of:
A. Copper
B. Tungsten
C. Nichrome
D. Aluminium
Answer
Correct: Option B. Explanation: High melting point.
- The phenomenon of rainbow is due to:
A. Dispersion & total internal reflection
B. Reflection only
C. Diffraction
D. Interference
Answer
Correct: Option A. Explanation: Water droplets disperse & reflect light.
- The number of bones in adult human body is:
A. 206
B. 306
C. 216
D. 196
Answer
Correct: Option A. Explanation: 206 bones.
BETA
