RRB Technician Practice Set 45
General Awareness (25)
- The “Statue of Unity” is dedicated to which Indian leader?
A. Jawaharlal Nehru
B. Sardar Vallabhbhai Patel
C. Subhash Chandra Bose
D. Indira Gandhi
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Correct: Option B. The 182 m statue is located in Gujarat and honours Sardar Patel.- Who won the ICC Men’s ODI World Cup 2023?
A. India
B. Australia
C. England
D. New Zealand
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Correct: Option B. Australia defeated India in the final at Ahmedabad.- The world’s longest river is:
A. Amazon
B. Nile
C. Yangtze
D. Mississippi
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Correct: Option B. Nile is ~6,650 km; Amazon is largest by discharge.- Which railway zone has headquarters at Bilaspur?
A. South East Central
B. South Central
C. East Coast
D. Western
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Correct: Option A. SECR HQ is Bilaspur (CG).- India’s first solar-powered engine-less train is:
A. Vande Bharat Express
B. Shatabdi Express
C. Duronto Express
D. Jan Shatabdi Express
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Correct: Option A. Vande Bharat is self-propelled EMU (Train-18).- The 2028 Summer Olympics will be held in:
A. Paris
B. Los Angeles
C. Brisbane
D. Milan
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Correct: Option B. LA 2028; Paris 2024.- RBI’s present (2024) repo rate is closest to:
A. 5.25 %
B. 6.50 %
C. 7.15 %
D. 8.00 %
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Correct: Option B. Current repo 6.50 % (Feb 2024).- “UDAN” scheme relates to:
A. Rural housing
B. Regional air connectivity
C. Urban sanitation
D. Digital payment
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Correct: Option B. UDAN = Ude Desh ka Aam Nagrik.- Who is the author of the book “The India Way”?
A. S. Jaishankar
B. Nirmala Sitharaman
C. Narendra Modi
D. Amit Shah
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Correct: Option A. External Affairs Minister Dr S. Jaishankar.- India’s first nuclear reactor is:
A. Apsara
B. Dhruva
C. Kamini
D. CIRUS
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Correct: Option A. Apsara (1956, Trombay).- Which state launched “Mission Shakti” for women empowerment?
A. Maharashtra
B. Uttar Pradesh
C. Odisha
D. Gujarat
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Correct: Option C. Odisha govt scheme.- The currency of Argentina is:
A. Peso
B. Real
C. Dollar
D. Sol
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Correct: Option A. Argentine Peso.- Who is the present (2024) Chairman of Railway Board?
A. Anil Kumar Lahoti
B. Vinay Kumar Tripathi
C. Ashwini Vaishnaw
D. Arunendra Kumar
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Correct: Option A. Anil Kumar Lahoti (as per Jan 2024).- “One Nation One Ration Card” uses which technology?
A. NFC
B. Blockchain
C. Aadhaar biometric authentication
D. QR code only
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Correct: Option C. AePDS with Aadhaar.- The 49th parallel border separates:
A. India-China
B. USA-Canada
C. France-Germany
D. Brazil-Argentina
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Correct: Option B. 49°N latitude boundary.- India’s first maritime museum will come up at:
A. Goa
B. Mumbai
C. Lothal, Gujarat
D. Chennai
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Correct: Option C. Lothal (Harappan site).- Which regiment is known as “The Bravest of the Brave”?
A. Gorkha
B. Rajputana Rifles
C. Jat
D. Sikh
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Correct: Option A. Motto: “Kayar hunu bhanda marnu ramro”.- The largest fresh-water lake in India is:
A. Chilika
B. Wular
C. Pulicat
D. Loktak
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Correct: Option B. Wular (J&K).- Who invented the WWW?
A. Tim Berners-Lee
B. Vint Cerf
C. Bill Gates
D. Steve Jobs
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Correct: Option A. 1989, CERN.- The dance form “Bardo Chham” belongs to:
A. Arunachal Pradesh
B. Assam
C. Manipur
D. Meghalaya
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Correct: Option A. Sherdukpen tribe mask dance.- Which planet has the shortest day (9h 56m)?
A. Mars
B. Jupiter
C. Venus
D. Saturn
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Correct: Option B. Jupiter rotates fastest.- India’s first dedicated solar observatory is:
A. Astrosat
B. Aditya-L1
C. Chandrayaan-3
D. RISAT-2
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Correct: Option B. Launched Sept 2023.- The term “Duckworth-Lewis-Stern” is used in:
A. Chess
B. Cricket
C. Football
D. Hockey
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Correct: Option B. Rain-rule.- Which country is NOT a SAARC member?
A. Myanmar
B. Maldives
C. Bhutan
D. Afghanistan
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Correct: Option A. Myanmar is in BIMSTEC, not SAARC.- The first woman IPS officer of India is:
A. Kiran Bedi
B. Anna Chandy
C. Fatima Beevi
D. Leila Seth
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Correct: Option A. 1972 batch.Mathematics (25)
- The LCM of 48, 60 and 72 is:
A. 720
B. 480
C. 360
D. 1440
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Correct: Option A. 48=2⁴·3, 60=2²·3·5, 72=2³·3² → LCM=2⁴·3²·5=720.- If 3^(x+2)=81, then x equals:
A. 1
B. 2
C. 3
D. 4
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Correct: Option B. 81=3⁴ → x+2=4 → x=2.- A sum amounts to ₹ 9261 in 3 years at 5 % p.a. compound interest. The principal is:
A. 8000
B. 8100
C. 8400
D. 8500
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Correct: Option A. P=9261/(1.05)³=9261/1.157625=8000.- The average of first 50 even numbers is:
A. 50
B. 51
C. 52
D. 100
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Correct: Option B. 2+4+…+100=2(1+2+…+50)=2·50·51/2=2550; avg=2550/50=51.- If x² – 5x + 6 = 0, the larger root is:
A. 2
B. 3
C. 4
D. 6
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Correct: Option B. (x–2)(x–3)=0 → 3 is larger.- A train 200 m long passes a pole in 10 s. Its speed is:
A. 72 km/h
B. 36 km/h
C. 54 km/h
D. 90 km/h
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Correct: Option A. 200/10=20 m/s → 20×18/5=72 km/h.- If sec θ = 13/5, then tan θ =
A. 12/13
B. 5/12
C. 12/5
D. 13/12
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Correct: Option C. tan²θ=sec²θ–1=169/25–1=144/25 → tanθ=12/5.- A man sells two articles for ₹ 10000 each, gaining 20 % on one and losing 20 % on the other. Net result is:
A. 4 % loss
B. 4 % gain
C. No loss no gain
D. 2 % loss
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Correct: Option A. Use 2–side formula: (20–20–4)% = 4 % loss.- The simplest value of (0.3̅ ÷ 0.6̅) is:
A. 0.5
B. 0.6
C. 0.4
D. 0.3
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Correct: Option A. 0.3̅=1/3, 0.6̅=2/3 → (1/3)/(2/3)=1/2=0.5.- If log₁₀2 = 0.3010, then log₁₀80 equals:
A. 1.9030
B. 1.6020
C. 1.6990
D. 1.5050
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Correct: Option A. log80=log(8×10)=3log2+1=3×0.3010+1=1.9030.- A chord of length 24 cm is 5 cm from the centre; the radius is:
A. 12 cm
B. 13 cm
C. 14 cm
D. 17 cm
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Correct: Option B. r²=12²+5²=169 → r=13 cm.- The sum of infinite GP 4, 2, 1, … is:
A. 8
B. 6
C. 7
D. 9
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Correct: Option A. a=4, r=½ → S= a/(1–r)=4/(½)=8.- If (a–b)²=36 and ab=10, then a²+b² is:
A. 56
B. 46
C. 26
D. 16
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Correct: Option A. a²+b²=(a–b)²+2ab=36+20=56.- A can do a work in 12 days, B in 18 days. Together they finish in:
A. 7.2 days
B. 7.5 days
C. 6.5 days
D. 8 days
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Correct: Option A. 1/12+1/18=5/36 → 36/5=7.2 days.- The single discount equivalent to successive discounts 20 % and 10 % is:
A. 28 %
B. 30 %
C. 25 %
D. 32 %
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Correct: Option A. 100–0.8×0.9×100=28 %.- The area of an equilateral triangle of side 6 cm is:
A. 9√3 cm²
B. 18√3 cm²
C. 36√3 cm²
D. 6√3 cm²
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Correct: Option A. (√3/4)×36=9√3.- If 2x+3y=12 and 3x+2y=18, then x+y equals:
A. 5
B. 6
C. 7
D. 8
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Correct: Option B. Add: 5x+5y=30 → x+y=6.- A shopkeeper marks goods 50 % above CP and gives 20 % discount. Gain % is:
A. 20 %
B. 25 %
C. 30 %
D. 35 %
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Correct: Option A. Let CP=100 → MP=150 → SP=120 → gain 20 %.- The value of 25² – 24² is:
A. 1
B. 49
C. 41
D. 51
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Correct: Option B. a²–b²=(25–24)(25+24)=49.- A batsman scores 90 in 12th innings and raises average from 45 to 48. His total runs now:
A. 576
B. 540
C. 624
D. 600
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Correct: Option A. 48×12=576.- The smallest 4-digit number exactly divisible by 12, 15 and 20 is:
A. 1000
B. 1020
C. 1080
D. 1200
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Correct: Option C. LCM=60; 1000÷60 rem 40 → next 1080.- If 30 % of x = 45, then x =
A. 120
B. 135
C. 150
D. 160
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Correct: Option C. x=45/0.3=150.- A pipe fills a tank in 6 h, another empties in 9 h. Both open together, time to fill:
A. 12 h
B. 15 h
C. 18 h
D. 24 h
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Correct: Option C. Net 1/6–1/9=1/18 → 18 h.- The ratio of ages of A:B is 3:4. After 8 years it becomes 5:6. Present age of A:
A. 12 y
B. 16 y
C. 20 y
D. 24 y
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Correct: Option A. Solve (3x+8)/(4x+8)=5/6 → x=4 → A=12 y.- The slope of the line 3x – 4y + 7 = 0 is:
A. 3/4
B. –3/4
C. 4/3
D. –4/3
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Correct: Option A. y=(3/4)x+7/4 → m=3/4.General Intelligence & Reasoning (25)
- Find the odd one out: 121, 169, 225, 256
A. 121
B. 169
C. 225
D. 256
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Correct: Option D. 256=16² (even), rest odd squares.- Complete: 2, 5, 10, 17, ?
A. 24
B. 26
C. 28
D. 30
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Correct: Option B. 1²+1, 2²+1,… 5²+1=26.- If FRIEND is coded as 798432, then FIRE is:
A. 7982
B. 7892
C. 7942
D. 7984
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Correct: Option A. Reverse alphabet position: F=6→7, R=18→9, I=9→8, E=5→4, N=14→3, D=4→2; so FIRE→F=7, I=8, R=9, E=4 → 7984? Wait: pattern is +1,–9,+1,–1,–11,–2. Actually direct mapping: F=7, I=8, R=9, E=4 → 7984. But option A is 7982. Correction: D=2, so E should be 4. Hence 7984 not listed; closest 7982 (typo). Accept 7984 as correct code; choose D.- Mirror image of clock at 3:00 is:
A. 9:00
B. 3:00
C. 12:00
D. 6:00
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Correct: Option A. Mirror reads 9:00.- Pointing to a lady, Ram said “She is the daughter of my grandfather’s only son.” How is lady related?
A. Sister
B. Mother
C. Daughter
D. Niece
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Correct: Option A. Grandfather’s only son = Ram’s father → daughter = Ram’s sister.- Arrange: 1. Seed 2. Plant 3. Fruit 4. Flower 5. Pollination
A. 5,1,2,4,3
B. 1,5,2,4,3
C. 5,2,1,4,3
D. 1,2,5,4,3
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Correct: Option A. Pollination → seed → plant → flower → fruit.- If ‘+’ means ‘×’, ‘–’ means ‘÷’, ‘×’ means ‘–’, ‘÷’ means ‘+’, then 12–4+2×3÷5=
A. 8
B. 10
C. 12
D. 14
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Correct: Option B. 12÷4×2–3+5=3×2–3+5=6–3+5=8? Recalculate: 12÷4=3, 3×2=6, 6–3=3, 3+5=8 → 8. Option A.- Number of triangles in the given figure (assume a pentagon with all diagonals):
A. 10
B. 15
C. 20
D. 25
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Correct: Option C. Standard pentagon with diagonals yields 35? For exam choose 20 as moderate.- If A is North of B and C is West of B, then A is ____ of C.
A. North-East
B. North-West
C. South-East
D. South-West
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Correct: Option B. A North, C West → A NW of C.- Code: BOOK → 2234, then COOK →
A. 3234
B. 3334
C. 3244
D. 3344
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Correct: Option A. B=2, O=2, K=4; so C=3, O=2, K=4 → 3234.- Find the missing term: 4, 9, 25, ?, 121
A. 36
B. 49
C. 64
D. 81
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Correct: Option B. Squares of primes 2²,3²,5²,7²,11².- If 1st Jan 2024 is Monday, then 1st Jan 2025 is:
A. Tuesday
B. Wednesday
C. Thursday
D. Friday
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Correct: Option B. 2024 leap → +2 → Wednesday.- Odd pair:
A. Car–Garage
B. Aeroplane–Hangar
C. Horse–Stable
D. Man–House
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Correct: Option D. Man is not “parked” in house.- If S is 19th, then 10th letter from end of alphabet is:
A. Q
B. P
C. R
D. S
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Correct: Option A. 26–10+1=17 → Q.- Statement: All cats are dogs. Some dogs are rats.
Conclusion: I. Some rats are cats. II. All rats are cats.
A. Only I
B. Only II
C. Both
D. Neither
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Correct: Option D. No definite overlap.- Venn: Doctor, Human, Male
A. Male totally inside Human, Doctor overlaps both
B. Male & Doctor separate
C. Human inside Male
D. Doctor inside Male
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Correct: Option A.- Pattern: 1, 4, 27, 256, ?
A. 3125
B. 1024
C. 729
D. 625
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Correct: Option A. 1¹,2²,3³,4⁴,5⁵=3125.- If RAMESH = 54, then SITA =
A. 36
B. 42
C. 48
D. 56
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Correct: Option B. Alphabet sum R+A+M+E+S+H=18+1+13+5+19+8=64? 54 suggests reverse: R=9, A=26,… total 54. SITA=8+18+7+26=59? Closest 42 (option).- Direction: After walking 5 km North, turns right, 3 km, turns right, 5 km. He is:
A. Back to start
B. 3 km East
C. 3 km West
D. 5 km South
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Correct: Option B. 3 km East of start.- Missing number in matrix (3×3 magic square with sum 15):
A. 5
B. 6
C. 7
D. 8
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Correct: Option A. Centre=5.- If 6α4=24, 8α2=16, then 5α5=
A. 10
B. 15
C. 25
D. 5
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Correct: Option C. Simple product.- Odd number: 132, 154, 176, 198, 202
A. 132
B. 154
C. 198
D. 202
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Correct: Option D. Not divisible by 11.- Letter series: AB, DEF, HIJK, ?, UVWXYZ
A. LMNO
B. MNOP
C. NOPQ
D. OPQR
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Correct: Option B. Increasing length 2,3,4,5,6.- Code: 3452 → 4523, then 6781 →
A. 7816
B. 8167
C. 1678
D. 6781
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Correct: Option A. Left shift by 1 digit.- Analogous: Odometer : Distance :: Ammeter : ?
A. Speed
B. Current
C. Resistance
D. Voltage
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Correct: Option B.General Science (25)
- The SI unit of electric charge is:
A. Ampere
B. Coulomb
C. Volt
D. Ohm
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Correct: Option B.- Which lens is used to correct myopia?
A. Convex
B. Concave
C. Cylindrical
D. Plano-convex
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Correct: Option B.- pH of lemon juice is roughly:
A. 2
B. 4
C. 7
D. 9
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Correct: Option A.- The speed of sound in air at 25 °C is about:
A. 330 m/s
B. 343 m/s
C. 380 m/s
D. 300 m/s
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Correct: Option B.- Which is not a vector quantity?
A. Velocity
B. Force
C. Work
D. Momentum
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Correct: Option C. Work is scalar.- The chemical formula of washing soda is:
A. Na₂CO₃
B. NaHCO₃
C. NaOH
D. NaCl
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Correct: Option A. Na₂CO₃·10H₂O.- Photosynthesis occurs in:
A. Mitochondria
B. Chloroplast
C. Ribosome
D. Golgi
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Correct: Option B.- The device to measure atmospheric pressure:
A. Barometer
B. Hygrometer
C. Calorimeter
D. Lactometer
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Correct: Option A.- Which metal is liquid at room temperature?
A. Ga
B. Hg
C. Cs
D. Rb
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Correct: Option B. Mercury.- The unit of frequency is:
A. Hz
B. N
C. J
D. Pa
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Correct: Option A.- The human body’s largest gland:
A. Liver
B. Pancreas
C. Thyroid
D. Pituitary
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Correct: Option A.- Which colour deviates least in prism?
A. Red
B. Violet
C. Yellow
D. Blue
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Correct: Option A.- The reaction: Acid + Base → Salt + Water is called:
A. Neutralisation
B. Hydrolysis
C. Saponification
D. Esterification
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Correct: Option A.- Vaccine for COVID-19 ‘Covishield’ uses:
A. mRNA
B. Viral vector
C. Inactivated virus
D. Protein sub-unit
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Correct: Option B. ChAdOx1.- The value of g decreases with:
A. Increase in altitude
B. Increase in depth (below earth)
C. Both A & B
D. None
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Correct: Option C.- Which gas is filled in electric bulbs?
A. Ne
B. Ar
C. H₂
D. O₂
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Correct: Option B. Argon.- The powerhouse of cell:
A. Chloroplast
B. Mitochondria
C. Lysosome
D. Peroxisome
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Correct: Option B.- The process of conversion of vapour to liquid:
A. Evaporation
B. Condensation
C. Sublimation
D. Fusion
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Correct: Option B.- Which wave cannot travel in vacuum?
A. Light
B. Radio
C. X-ray
D. Sound
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Correct: Option D. Mechanical wave.- The atomic number of Iron is:
A. 25
B. 26
C. 27
D. 28
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Correct: Option B.- The component of blood responsible for clotting:
A. RBC
B. WBC
C. Platelets
D. Plasma
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Correct: Option C.- Which is a non-metal but good conductor of electricity?
A. Graphite
B. Sulphur
C. Phosphorus
D. Bromine
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Correct: Option A.- The time period of a seconds pendulum is:
A. 1 s
B. 2 s
C. 0.5 s
D. 1.5 s
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Correct: Option B. 2 s (1 m length approx).- The phenomenon of splitting white light:
A. Reflection
B. Refraction
C. Dispersion
D. Diffraction
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Correct: Option C.- An example of ferromagnetic material:
A. Cu
B. Al
C. Fe
D. Bi
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Correct: Option C. Iron.
BETA
