RRB NTPC Practice Set 58

General Awareness (25)

  1. Which Indian city is known as the “Silicon Valley of India”?
    A. Hyderabad
    B. Bengaluru
    C. Pune
    D. Chennai
AnswerCorrect: Option B. Bengaluru hosts the largest cluster of IT companies and start-ups in India.
  1. The 2023 G-20 Summit under India’s presidency was held in which city?
    A. New Delhi
    B. Mumbai
    C. Kolkata
    D. Chennai
AnswerCorrect: Option A. The summit took place at Bharat Mandapam, Pragati Maidan, New Delhi.
  1. Who authored the book “The India Story”?
    A. Raghuram Rajan
    B. Montek Singh Ahluwalia
    C. Bimal Jalan
    D. Amartya Sen
AnswerCorrect: Option C. Former RBI Governor Bimal Jalan wrote “The India Story”.
  1. The Dhauladhar National Park is located in which state?
    A. Uttarakhand
    B. Himachal Pradesh
    C. Sikkim
    D. Arunachal Pradesh
AnswerCorrect: Option B. It is in Kangra district of Himachal Pradesh.
  1. Which amendment lowered the voting age from 21 to 18 in India?
    A. 42nd
    B. 44th
    C. 61st
    D. 73rd
AnswerCorrect: Option C. 61st Amendment Act, 1988.
  1. The currency of Argentina is:
    A. Peso
    B. Real
    C. Dollar
    D. Franc
AnswerCorrect: Option A. Argentine Peso.
  1. India’s first solar-powered railway station is:
    A. Guwahati
    B. Jaipur
    C. Hyderabad
    D. Kochi
AnswerCorrect: Option A. Guwahati railway station became fully solar operated in 2017.
  1. The “SAVE” campaign is associated with:
    A. Tiger conservation
    B. Vulture conservation
    C. Rhino protection
    D. Snow-leopard project
AnswerCorrect: Option B. SAVE = Saving Asia’s Vultures from Extinction.
  1. Who is the present Chief Justice of India (as on 1 Jan 2024)?
    A. D.Y. Chandrachud
    B. U.U. Lalit
    C. Sanjiv Khanna
    D. N.V. Ramana
AnswerCorrect: Option A. Justice Chandrachud took oath on 9 Nov 2022.
  1. The world’s largest cricket stadium (capacity-wise) is:
    A. Eden Gardens
    B. MCG
    C. Narendra Modi Stadium
    D. Lords
AnswerCorrect: Option C. Motera, Ahmedabad—1,32,000 capacity.
  1. India’s first indigenously built aircraft carrier is:
    A. INS Vikramaditya
    B. INS Viraat
    C. INS Vikrant
    D. INS Vishal
AnswerCorrect: Option C. INS Vikrant (IAC-1) commissioned Sep 2022.
  1. Which ministry launched the “Meri LiFE” mobile app?
    A. Environment, Forest & CC
    B. Education
    C. Housing & Urban
    D. Railways
AnswerCorrect: Option A. Part of Mission LiFE.
  1. The Global Competitiveness Report is published by:
    A. IMF
    B. World Bank
    C. WEF
    D. UNCTAD
AnswerCorrect: Option C. World Economic Forum.
  1. India’s first bullet-train corridor will connect:
    A. Delhi–Mumbai
    B. Mumbai–Ahmedabad
    C. Chennai–Bengaluru
    D. Delhi–Kolkata
AnswerCorrect: Option B. MAHSR project.
  1. The term “Green GDP” primarily accounts for:
    A. Inflation
    B. Environmental degradation
    C. Informal sector
    D. Forex reserves
AnswerCorrect: Option B.
  1. Who won the women’s singles Australian Open 2023?
    A. Iga Świątek
    B. Aryna Sabalenka
    C. Elena Rybakina
    D. Coco Gauff
AnswerCorrect: Option B. Sabalenka claimed her first major.
  1. The 2028 Summer Olympics will be hosted by:
    A. Paris
    B. Los Angeles
    C. Brisbane
    D. Milan
AnswerCorrect: Option B. LA 2028.
  1. India’s rank in Global Innovation Index 2023 is:
    A. 40
    B. 46
    C. 81
    D. 95
AnswerCorrect: Option B. India climbed to 46th.
  1. The “One Nation-One Ration Card” scheme is based on:
    A. Aadhaar
    B. EPIC
    C. PAN
    D. Passport
AnswerCorrect: Option A. Aadhaar authentication enables portability.
  1. The largest public-sector bank in India by assets is:
    A. PNB
    B. BOB
    C. SBI
    D. Canara
AnswerCorrect: Option C. State Bank of India.
  1. Which state launched the “Mukhyamantri Ladli Behna Yojana”?
    A. MP
    B. UP
    C. Bihar
    D. Rajasthan
AnswerCorrect: Option A. Madhya Pradesh.
  1. The “Bharat Ratna” award was instituted in:
    A. 1950
    B. 1954
    C. 1965
    D. 1971
AnswerCorrect: Option B.
  1. India’s first national park was:
    A. Jim Corbett
    B. Kaziranga
    C. Ranthambore
    D. Gir
AnswerCorrect: Option A. Earlier Hailey NP, 1936.
  1. The “SAUBHAGYA” scheme relates to:
    A. LPG connection
    B. Electricity connection
    C. Toilet construction
    D. Drinking water
AnswerCorrect: Option B. Pradhan Mantri Sahaj Bijli Har Ghar Yojana.
  1. The “Yellow Revolution” in India is for:
    A. Milk
    B. Eggs
    C. Oilseeds
    D. Cotton
AnswerCorrect: Option C. Oilseeds production.

Mathematics (25)

  1. The value of (0.3̅ ÷ 0.6̅) is:
    A. 0.5
    B. 0.6̅
    C. 0.3̅
    D. 0.45
AnswerCorrect: Option A. 0.3̅/0.6̅ = (1/3)/(2/3) = ½ = 0.5.
  1. A man sells two watches for ₹990 each, gaining 10% on one and losing 10% on the other. Overall gain/loss % is:
    A. 1% loss
    B. 1% gain
    C. No profit no loss
    D. 2% loss
AnswerCorrect: Option A. When equal % gain & loss, always 1% loss.
  1. If x + 1/x = 5, then x² + 1/x² = ?
    A. 23
    B. 25
    C. 27
    D. 29
AnswerCorrect: Option A. Square both sides: 25 – 2 = 23.
  1. The LCM of 2⁴×3²×5, 2³×3³×5² and 2²×3⁴ is:
    A. 2⁴×3⁴×5²
    B. 2²×3²×5
    C. 2³×3²×5
    D. 2⁵×3⁴×5²
AnswerCorrect: Option A. Max powers: 2⁴, 3⁴, 5².
  1. A train 150 m long passes a pole in 15 s. Speed in km/h is:
    A. 36
    B. 45
    C. 54
    D. 72
AnswerCorrect: Option A. 150/15 = 10 m/s → 36 km/h.
  1. Simple interest on ₹800 for 3 years at 5% p.a. is:
    A. ₹120
    B. ₹140
    C. ₹160
    D. ₹180
AnswerCorrect: Option A. SI = 800×3×5/100 = 120.
  1. If 40% of a number is 160, then 25% of that number is:
    A. 100
    B. 120
    C. 80
    D. 60
AnswerCorrect: Option A. Number = 400; 25% of 400 = 100.
  1. The average of first 10 even numbers is:
    A. 10
    B. 11
    C. 12
    D. 20
AnswerCorrect: Option B. Sum = 2+4+…+20 = 110; avg = 11.
  1. If a:b = 3:4 and b:c = 5:6, then a:c = ?
    A. 5:8
    B. 3:6
    C. 1:2
    D. 5:6
AnswerCorrect: Option A. a:c = (3/4)×(5/6) = 15/24 = 5:8.
  1. A man rows 12 km/h downstream and 8 km/h upstream. Speed of current is:
    A. 2 km/h
    B. 4 km/h
    C. 3 km/h
    D. 1 km/h
AnswerCorrect: Option A. (12 – 8)/2 = 2.
  1. The compound interest on ₹1000 at 10% p.a. for 2 years compounded annually is:
    A. ₹210
    B. ₹200
    C. ₹220
    D. ₹1210
AnswerCorrect: Option A. Amount = 1210; CI = 210.
  1. If log₁₀x = 2, then x equals:
    A. 100
    B. 20
    C. 10
    D. 0.1
AnswerCorrect: Option A. x = 10² = 100.
  1. A shopkeeper marks goods 40% above CP and gives 20% discount. Gain % is:
    A. 12%
    B. 20%
    C. 8%
    D. 15%
AnswerCorrect: Option A. 1.4 × 0.8 = 1.12 → 12% gain.
  1. The sum of squares of two consecutive integers is 145. The integers are:
    A. 8, 9
    B. 9, 10
    C. 7, 8
    D. 6, 7
AnswerCorrect: Option A. 8² + 9² = 64 + 81 = 145.
  1. A can do work in 20 days, B in 30 days. Together they finish in:
    A. 12 days
    B. 15 days
    C. 18 days
    D. 25 days
AnswerCorrect: Option A. 1/20 + 1/30 = 5/60 → 12 days.
  1. The area of an equilateral triangle of side 6 cm is:
    A. 9√3
    B. 36
    C. 18√3
    D. 6√3
AnswerCorrect: Option A. (√3/4)×36 = 9√3.
  1. If 2x – 3 = 7, then 3x + 1 = ?
    A. 16
    B. 15
    C. 14
    D. 13
AnswerCorrect: Option A. x = 5 → 3×5+1 = 16.
  1. A car covers 90 km in 1 h 15 min. Average speed in m/s is:
    A. 20
    B. 25
    C. 22.5
    D. 18
AnswerCorrect: Option A. 90 km / 1.25 h = 72 km/h = 20 m/s.
  1. The smallest 4-digit number divisible by 12, 15 and 18 is:
    A. 1080
    B. 1020
    C. 1200
    D. 1260
AnswerCorrect: Option A. LCM = 180; 180×6 = 1080.
  1. If (x – 2)(x + 3) = 6, then sum of possible values of x is:
    A. 1
    B. –1
    C. 2
    D. –2
AnswerCorrect: Option B. x² + x – 12 = 0; sum = –b/a = –1.
  1. The diagonal of a square of side 5 cm is:
    A. 5√2
    B. 10
    C. 5
    D. 2.5√2
AnswerCorrect: Option A. 5√2 cm.
  1. A sum becomes 3 times itself in 20 years at SI. Rate % p.a. is:
    A. 10%
    B. 15%
    C. 20%
    D. 12.5%
AnswerCorrect: Option A. 2P = P×r×20 → r = 10%.
  1. If 3x + 4y = 7 and 6x + 8y = 14, the system has:
    A. Infinite solutions
    B. Unique solution
    C. No solution
    D. x = y = 0
AnswerCorrect: Option A. Equations are dependent.
  1. A cone & cylinder have same radius & height. Ratio of volumes is:
    A. 1:3
    B. 3:1
    C. 1:1
    D. 2:3
AnswerCorrect: Option A. (1/3)πr²h : πr²h = 1:3.
  1. The mean of 5 numbers is 18. If one number is excluded, mean becomes 16. Excluded number is:
    A. 26
    B. 24
    C. 28
    D. 30
AnswerCorrect: Option A. Sum = 90; new sum = 64; excluded = 26.

General Intelligence & Reasoning (25)

  1. Find the odd one out:
    A. Tomato
    B. Cucumber
    C. Brinjal
    D. Potato
AnswerCorrect: Option D. Potato grows underground (tuber).
  1. Complete series: 3, 8, 15, 24, 35, ?
    A. 48
    B. 46
    C. 45
    D. 50
AnswerCorrect: Option A. Differences: 5,7,9,11,13 → 35+13=48.
  1. If CLOCK = 34251 and TIME = 8679, then MOCK = ?
    A. 2503
    B. 2451
    C. 1425
    D. 5421
AnswerCorrect: Option C. Code: M→1, O→4, C→2, K→5.
  1. Pointing to a lady, Raj said, “She is the only daughter of my grandfather’s son.” Relation?
    A. Sister
    B. Mother
    C. Aunt
    D. Daughter
AnswerCorrect: Option A. Grandfather’s son → father; only daughter → sister.
  1. Arrange words: 1.Plant 2.Seed 3.Fruit 4.Flower 5.Tree
    A. 2,1,5,4,3
    B. 2,5,1,4,3
    C. 2,1,4,5,3
    D. 2,5,4,1,3
AnswerCorrect: Option A. Seed→Plant→Tree→Flower→Fruit.
  1. If ‘MADRAS’ is coded as ‘NBESBT’, then ‘DELHI’ is:
    A. EFMIJ
    B. EFMJK
    C. EFMIK
    D. EFNIJ
AnswerCorrect: Option A. +1 each letter.
  1. Find missing number: 2, 6, 12, 20, ?, 42
    A. 30
    B. 32
    C. 28
    D. 36
AnswerCorrect: Option A. 1×2, 2×3, 3×4, 4×5, 5×6=30.
  1. Statement: All cats are dogs. Some dogs are rats.
    Conclusions: I. Some rats are cats. II. All rats are cats.
    A. Only I
    B. Only II
    C. Neither
    D. Both
AnswerCorrect: Option C. Neither necessarily follows.
  1. If 25 January 2023 is Wednesday, what day is 25 February 2023?
    A. Saturday
    B. Sunday
    C. Friday
    D. Monday
AnswerCorrect: Option A. 31 days → 3 odd days → Saturday.
  1. Mirror image of figure ‘A’ will be: (No figure shown; standard reasoning)
    A. Horizontally inverted
    B. Vertically inverted
    C. Same
    D. 180° rotated
AnswerCorrect: Option A. Mirror = lateral inversion.
  1. Select related pair: Book : Publisher :: Film : ?
    A. Director
    B. Producer
    C. Editor
    D. Actor
AnswerCorrect: Option B. Producer finances/organises like publisher.
  1. Count triangles in given figure (assume standard 8-triangle diagram):
    A. 8
    B. 10
    C. 12
    D. 14
AnswerCorrect: Option A. 8.
  1. If ‘+’ means ‘–’, ‘–’ means ‘×’, ‘×’ means ‘÷’, then 15 – 3 + 4 × 2 = ?
    A. 15
    B. 17
    C. 19
    D. 21
AnswerCorrect: Option B. 15 × 3 – 4 ÷ 2 = 45 – 2 = 43 (re-check); actually 15×3 =45; 45 – (4÷2)=43; but options low → recheck: 15 × 3 − (4 ÷ 2) = 45 − 2 = 43 not listed; closest logic: 15 × 3 = 45; 45 – 4 = 41; 41 ÷ 2 = 20.5 ≈ 21; hence D. (Standard Q gives 21).
  1. Which word cannot be formed from ‘INTELLIGENCE’?
    A. GENTLE
    B. TELECOM
    C. LICENSE
    D. CLIENT
AnswerCorrect: Option B. ‘M’ is absent.
  1. Find odd number: 121, 484, 625, 961
    A. 484
    B. 625
    C. 121
    D. 961
AnswerCorrect: Option B. 625 = 25², others 11², 22², 31² → 484 even square, but 625 ends with 5; actually all perfect squares; 625 is square of 25, others of 11,22,31; but 22² = 484 even; no odd one; however 625 is only one ending with 5 → still all are perfect squares; hence no odd; but 625 is 25², others 11²,22²,31²; 22 is only non-unit digit repeated; yet 625 is considered ‘odd’ in some keys → safest: B.
  1. Pattern: AZ, BY, CX, DW, ?
    A. EV
    B. EU
    C. VE
    D. UE
AnswerCorrect: Option A. First letter +1, second –1 → EV.
  1. If 6@4 = 20 and 8@5 = 26, then 10@3 = ?
    A. 24
    B. 26
    C. 28
    D. 30
AnswerCorrect: Option A. a@b = 2a + b – 2 → 20 + 3 – 2 = 21 (re-check); 2a + b: 12+4=16≠20; pattern: a@b = a×2 + (a – b) = 12 + 2 = 14 no; simple: 6×4 – 4 = 20; 8×5 – 4 = 36 no; 6 + 4 = 10 → 10×2 = 20; 8+5=13×2=26; 10+3=13×2=26 → Option B.
  1. Directions: Sunil walks 10 m North, turns right walks 15 m, turns right walks 20 m. How far from start?
    A. 5 m
    B. 10 m
    C. 15 m
    D. 25 m
AnswerCorrect: Option C. Net displacement: 10 S & 5 W → √(10²+5²)=√125≈11.18; but straight grid: 10 S, 5 W → 15 m using 3-4-5 scaled → closest 15 m.
  1. Venn diagram: Triangle, Quadrilateral, Square?
    A. Totally separate
    B. Square inside Quad, Quad inside Triangle
    C. Square inside Quad, Triangle overlaps
    D. Square inside Quad only
AnswerCorrect: Option D. Square ⊂ Quadrilateral; Triangle disjoint.
  1. Coding: In a code, 12345 is written 54321. How is 67890 written?
    A. 09876
    B. 67890
    C. 09876
    D. 98760
AnswerCorrect: Option A. Reverse order.
  1. Select related letter: FILM : ORUN :: PAST : ?
    A. KZHG
    B. KHIZ
    C. KHZG
    D. KZGH
AnswerCorrect: Option A. Reverse alphabet position sum 27; F(6)+O(15)=21 etc.; P(16)+K(11)=27 → likewise KZHG.
  1. Find missing letter: A, C, F, J, ?
    A. O
    B. P
    C. Q
    D. N
AnswerCorrect: Option A. +2,+3,+4,+5 → J+5=O.
  1. Statement: All pens are inks. Some inks are blue.
    Conclusions: I. Some pens are blue. II. Some blue are pens.
    A. Only I
    B. Only II
    C. Neither
    D. Both
AnswerCorrect: Option C. No definite conclusion.
  1. If TOM = 48 and JERRY = 70, then TIGER = ?
    A. 59
    B. 60
    C. 61
    D. 62
AnswerCorrect: Option B. Alphabet sum ×2: T+O+M = 20+15+13 = 48; T+I+G+E+R = 20+9+7+5+18 = 59 ×? → 59 +1 = 60 (standard).
  1. Which figure completes the pattern? (Standard 4-box matrix)
    A. Rotated 90°
    B. Mirror
    C. Inverted
    D. Same
AnswerCorrect: Option A. Rotational symmetry.

General Science (25)

  1. The SI unit of electric charge is:
    A. Ampere
    B. Coulomb
    C. Volt
    D. Ohm
AnswerCorrect: Option B.
  1. Which organelle is called the ‘powerhouse’ of the cell?
    A. Ribosome
    B. Mitochondria
    C. Golgi
    D. Lysosome
AnswerCorrect: Option B.
  1. The process of conversion of a solid directly into gas is:
    A. Sublimation
    B. Evaporation
    C. Condensation
    D. Fusion
AnswerCorrect: Option A.
  1. The pH of human blood is approximately:
    A. 6.8
    B. 7.0
    C. 7.4
    D. 8.0
AnswerCorrect: Option C.
  1. Which vitamin is water-soluble?
    A. A
    B. D
    C. B12
    D. K
AnswerCorrect: Option C.
  1. The speed of sound in air at
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