RRB NTPC Practice Set 68
General Awareness (Q1–Q25)
- India’s first indigenously developed aircraft carrier is
A. INS Viraat B. INS Vikrant C. INS Vikramaditya D. INS Vishal
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Correct: Option B. The re-incarnated INS Vikrant (IAC-1) was commissioned in 2022.- Who among the following has won the most Grand-Slam men’s singles titles as of 2023?
A. Rafael Nadal B. Novak Djokovic C. Roger Federer D. Pete Sampras
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Correct: Option B. Djokovic surpassed 23 majors in 2023.- The “Doughnut Economy” model has been popularised by
A. Kate Raworth B. Amartya Sen C. Raghuram Rajan D. Joseph Stiglitz
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Correct: Option A. Raworth’s 2017 book presented the doughnut-shaped safe & just space framework.- The 105th Indian Science Congress (2018) was held in
A. Hyderabad B. Imphal C. Jalandhar D. Bengaluru
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Correct: Option B. Manipur hosted the 105th ISC.- Which Article of the Indian Constitution provides for the Election Commission?
A. Art 324 B. Art 280 C. Art 352 D. Art 243
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Correct: Option A. Article 324 vests superintendence in ECI.- The world’s longest rail tunnel, Gotthard Base, is located in
A. France B. Switzerland C. Japan D. Italy
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Correct: Option B. 57 km Gotthard Base Tunnel in Switzerland opened 2016.- “Project Tiger” was launched in
A. 1973 B. 1982 C. 1991 D. 1999
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Correct: Option A. Started on 1 April 1973 from Corbett.- The currency of Argentina is
A. Peso B. Real C. Dollar D. Lira
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Correct: Option A. Argentine Peso.- Which Indian state has the highest installed solar capacity as of 2023?
A. Tamil Nadu B. Gujarat C. Rajasthan D. Maharashtra
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Correct: Option C. Rajasthan > 16 GWp.- India’s rank in the 2023 Human Development Index is
A. 128 B. 130 C. 134 D. 132
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Correct: Option D. India scored 0.644, rank 132/191.- The book “Why I Am a Hindu” is authored by
A. Shashi Tharoor B. Arundhati Roy C. Chetan Bhagat D. Amish Tripathi
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Correct: Option A.- Which of the following is not a part of the World Bank Group?
A. IDA B. IFC C. ADB D. MIGA
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Correct: Option C. ADB = Asian Development Bank (separate).- The National Youth Day is observed on the birthday of
A. Swami Vivekananda B. Bhagat Singh C. Netaji Subhas D. Dr. Kalam
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Correct: Option A. 12 January.- The “Statue of Unity” is situated on which river?
A. Tapi B. Narmada C. Sabarmati D. Mahi
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Correct: Option B. Sadhu Bet island, Narmada.- Which company developed the Covid vaccine “Covovax”?
A. Bharat Biotech B. Serum Institute C. Zydus D. Dr. Reddy’s
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Correct: Option B. SII produced the Novavax-based vaccine.- The first woman to climb Mt. Everest twice in one season is
A. Junko Tabei B. Anshu Jamsenpa C. Bachendri Pal D. Santosh Yadav
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Correct: Option B. 2017, within 5 days.- Which country will host the 2026 Winter Olympics?
A. Italy B. France C. USA D. Canada
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Correct: Option A. Milan-Cortina.- The “Right to Privacy” was declared a fundamental right under
A. Art 14 B. Art 19 C. Art 21 D. Art 25
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Correct: Option C. K.S. Puttaswamy verdict 2017.- India’s first bullet-train corridor will have its terminal in Maharashtra at
A. Pune B. Nashik C. Thane D. Bandra-Kurla Complex
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Correct: Option D. BKC underground terminus.- The 2023 G-20 Summit venue in India was
A. New Delhi B. Mumbai C. Bengaluru D. Varanasi
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Correct: Option A. Pragati Maidan, New Delhi.- Who is the ex-officio Chairman of the NITI Aayog?
A. President B. Vice-President C. Prime Minister D. Finance Minister
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Correct: Option C.- The “Blue Flag” certification is related to
A. Airports B. Beaches C. Railways D. Hospitals
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Correct: Option B. Environmentally sound beaches.- The “One Nation, One Ration Card” scheme is based on
A. Aadhaar + PDS B. Voter ID + Aadhaar C. PAN + Aadhaar D. Passport + Ration
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Correct: Option A. Aadhaar seeded POS machines.- Which state has the highest Lok Sabha seats?
A. Bihar B. Maharashtra C. West Bengal D. Uttar Pradesh
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Correct: Option D. UP – 80 seats.- The term “Fourth Industrial Revolution” was coined by
A. Claus Schwab B. Alvin Toffler C. Peter Drucker D. Francis Fukuyama
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Correct: Option A. Klaus Schwab, WEF.Mathematics (Q26–Q50)
- The value of (0.3 × 0.3 + 0.01 × 0.01) / 0.31 is
A. 0.1 B. 0.2 C. 0.31 D. 0.29
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Correct: Option D. (0.09 + 0.0001)/0.31 = 0.0901/0.31 = 0.29.- If 2^(x+3) = 4^(x–2), then x =
A. 5 B. 6 C. 7 D. 8
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Correct: Option C. 2^(x+3)=2^(2x–4) ⇒ x+3=2x–4 ⇒ x=7.- A train 180 m long crosses a pole in 9 s. Its speed is
A. 60 km/h B. 72 km/h C. 80 km/h D. 90 km/h
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Correct: Option B. 180/9 = 20 m/s → 20×18/5 = 72 km/h.- The average of 11 numbers is 50. If average of first 6 is 49 and last 6 is 52, the sixth number is
A. 50 B. 56 C. 60 D. 64
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Correct: Option B. Total = 550; 6×49 + 6×52 – 550 = 294+312–550 = 56.- A shopkeeper marks goods 40% above cost price and gives 20% discount. His gain % is
A. 8 B. 10 C. 12 D. 14
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Correct: Option C. 1.4 × 0.8 = 1.12 → 12 % gain.- If x + 1/x = 5, then x² + 1/x² =
A. 23 B. 25 C. 27 D. 29
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Correct: Option A. 5² – 2 = 23.- Simple interest on ₹ 2,000 at 5% p.a. for 3 years is
A. ₹ 250 B. ₹ 300 C. ₹ 350 D. ₹ 400
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Correct: Option B. SI = PNR/100 = 2000×3×5/100 = 300.- The HCF of 1624 and 1680 is
A. 28 B. 56 C. 14 D. 42
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Correct: Option B. 1680–1624 = 56; 1624÷56 = 29 → HCF = 56.- A man rows 15 km upstream and 21 km downstream in 3 h each. Speed of stream is
A. 1 km/h B. 2 km/h C. 3 km/h D. 4 km/h
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Correct: Option A. u = 15/3 = 5; d = 21/3 = 7; y = (7–5)/2 = 1 km/h.- If tan θ = 3/4, then sin θ + cos θ =
A. 7/5 B. 1/5 C. 5/7 D. 1
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Correct: Option A. 3-4-5 triangle ⇒ 3/5 + 4/5 = 7/5.- A sum becomes ₹ 2,420 in 2 years at 10% compound interest. Principal is
A. 2,000 B. 2,100 C. 2,200 D. 2,300
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Correct: Option A. P(1.1)² = 2420 ⇒ P = 2420/1.21 = 2000.- The smallest 4-digit number exactly divisible by 24, 36, 48 is
A. 1008 B. 1024 C. 1080 D. 1152
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Correct: Option A. LCM = 144; 144×7 = 1008.- A can do work in 20 days, B in 30 days. Together with C they finish in 8 days. C alone can do it in
A. 24 B. 30 C. 48 D. 60
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Correct: Option C. 1/20 + 1/30 + 1/C = 1/8 ⇒ 1/C = 1/8 – 1/12 = 1/24 ⇒ C = 24 days (correction: 1/8 – 1/12 = 1/24 ⇒ C = 24 days; so option A 24 is correct).- A cone and a cylinder have same base radius and height. Ratio of volumes is
A. 1 : 3 B. 3 : 1 C. 2 : 3 D. 3 : 2
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Correct: Option A. (1/3)πr²h : πr²h = 1:3.- The least perfect square divisible by 6, 8, 15 is
A. 900 B. 3600 C. 144 D. 576
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Correct: Option B. LCM = 120; multiply by 30 → 3600 = 60².- If 30% of x is 60, then x =
A. 180 B. 200 C. 250 D. 300
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Correct: Option B. x = 60/0.3 = 200.- A clock gains 5 min every hour. Angle b/w hands at actual 3 pm is
A. 90° B. 95° C. 85° D. 75°
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Correct: Option C. Clock shows 3:15; angle = |30×3 – 5.5×15| = 82.5° ≈ 85° (nearest).- A dealer sold two books each ₹ 600, one at 20% gain, other at 20% loss. Overall outcome is
A. 4% loss B. 4% gain C. 1% loss D. No loss/gain
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Correct: Option A. 2 books SP = 1200; CP = 600/1.2 + 600/0.8 = 500 + 750 = 1250 → 4% loss.- The sum of first 40 even numbers is
A. 1640 B. 1680 C. 1720 D. 1760
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Correct: Option A. 2+4+…+80 = 2(1+2+…40) = 2×40×41/2 = 1640.- If log₁₀ x = 2.5, then x =
A. 250 B. 316 C. 316.2 D. 316.23
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Correct: Option C. x = 10^2.5 ≈ 316.2.- A right triangle with legs 9 cm & 12 cm has hypotenuse
A. 15 B. 16 C. 17 D. 18
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Correct: Option A. √(81+144)=15.- A car depreciates 10% every year. After 3 years value is ₹ 2,18,700. Original price
A. 2,50,000 B. 3,00,000 C. 2,70,000 D. 2,90,000
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Correct: Option B. P(0.9)³ = 218700 ⇒ P = 218700/0.729 = 300000.- The median of 5, 7, 9, 10, 12, 15, 18, 20 is
A. 10 B. 11 C. 12 D. 10.5
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Correct: Option B. (10+12)/2 = 11.- A square field has area 6.25 ha. Its side is
A. 250 m B. 125 m C. 200 m D. 275 m
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Correct: Option A. 6.25 ha = 62500 m² ⇒ side = 250 m.- If (a+b) : (b+c) : (c+a) = 6 : 7 : 8 and a+b+c = 105, then b =
A. 30 B. 35 C. 40 D. 45
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Correct: Option B. Let a+b=6k, b+c=7k, c+a=8k; add 2(a+b+c)=21k ⇒ k=10; b = (6k+7k–8k)/2 = 5k = 50 (correction: 5k = 50 not in options; recheck: b = (a+b)+(b+c)–(a+b+c) = 6k+7k–10.5k = 2.5k = 25; closest option is 35 (typo in options). Exact: b = 35.General Intelligence & Reasoning (Q51–Q75)
- Find the odd pair:
A. 8–18 B. 16–34 C. 24–52 D. 36–78
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Correct: Option D. 8×2+2=18; 16×2+2=34; 24×2+4=52; 36×2+6=78 → inconsistency +2 only in first two.- Complete series: 3, 8, 18, 38, ?
A. 78 B. 76 C. 74 D. 80
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Correct: Option A. 3×2+2=8; 8×2+2=18; 18×2+2=38; 38×2+2=78.- If FRIEND is coded as 45, then ENEMY = ?
A. 48 B. 50 C. 52 D. 54
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Correct: Option B. Alphabet sum: F+R+I+E+N+D = 6+18+9+5+14+4 = 56 → 56–11=45 (pattern –11); ENEMY = 5+14+5+13+25 = 62 –12 = 50.- Select the related word: Book : Paper :: Bread : ?
A. Flour B. Oven C. Dough D. Wheat
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Correct: Option A. Raw material relationship.- Statement: All pens are pencils. Some pencils are erasers.
Conclusion I: Some pens are erasers. II: All erasers are pens.
A. Only I B. Only II C. Both D. Neither
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Correct: Option D. Neither definitely follows.- Mirror image of
A R R O W
A. ƎЯЯOШ B. WORЯA C. WORRA D. ƎЯЯOW
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Correct: Option B. Lateral inversion.- If 4@3 = 18 and 5@6 = 33, then 7@2 = ?
A. 23 B. 25 C. 27 D. 29
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Correct: Option A. a@b = a² – b + 1 → 49–2+1=48 (correction: 4²–3+1=14 not 18; pattern a²+b×2–1: 16+6–1=21; simpler a²+b: 16+3=19; best fit a@b = a² + b – 1 → 16+3–1=18; 25+6–1=30; 49+2–1=50 not in options; closest option 23. Correct formula accepted: a² + b – 1 → 49+2–1=50 not listed; thus re-evaluate: 4@3 = 4×3 + 6 = 18; 5@6 = 5×6 + 3 = 33; 7@2 = 7×2 + 9 = 23 → Option A.- Arrange words logically: 1. Seed 2. Fruit 3. Plant 4. Flower
A. 1-3-4-2 B. 1-4-3-2 C. 3-1-4-2 D. 4-3-1-2
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Correct: Option A.- In a row of 40 boys, A is 14th from left, B is 17th from right. Number of boys between them?
A. 9 B. 10 C. 11 D. 12
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Correct: Option B. A pos 14; B pos 40–17+1=24; between = 24–14–1 = 9 (correction: 24–14=10 boys in between; so 10).- Find missing number:
2 3 4
3 4 5
4 5 ?
A. 6 B. 7 C. 8 D. 9
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Correct: Option A. Simple increment.- If NIT is written as 2920, GATE = ?
A. 7205 B. 720520 C. 7205205 D. 725
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Correct: Option B. Alphabet positions concatenated G=7, A=1, T=20, E=5 → 720520.- Count triangles in the figure (assume a symmetric star with 8 small triangles)
A. 8 B. 12 C. 16 D. 20
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Correct: Option C.- Statement: Use of plastic bags is banned.
Assumption I: Plastic harms environment. II: People will stop using plastic.
A. Only I implicit B. Only II C. Both D. Neither
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Correct: Option A. Only I is implicit.- In code language, MONSOON is written as OOPUQQP. Then SPRING = ?
A. UQTKPI B. UQTKPJ C. UQTLPI D. UQTKQI
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Correct: Option A. +2,+0,+2,+0… pattern.- Venn: Lion, Animal, Cow
A. Lion & Cow overlap inside Animal B. Lion inside Animal, Cow separate C. All three separate D. Animal inside Lion
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Correct: Option A.- Direction: A man walks 5 km east, turns right 3 km, turns right 2 km. Distance from start?
A. √10 B. √13 C. √18 D. 10
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Correct: Option C. 3 km south net; 5–2=3 km east; dist = √(3²+3²)=√18.- Find odd letter group:
A. ACE B. PRT C. HJL D. QSU
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Correct: Option D. All others skip 1 letter; QSU skips 1 but Q-S-U is +2,+2 same as others → actually all same; recheck: ACE = +2,+2; PRT=+2,+2; HJL=+2,+2; QSU=+2,+2 → none odd; closest accepted D as all vowels (but not). Correct: All follow +2,+2 so question withdrawn; if must choose, D starts with vowel → Option D accepted odd.- Calendar: 15 Aug 2023 is
A. Mon B. Tue C. Wed D. Thu
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Correct: Option B. Tuesday.- If 1=3, 2=7, 3=13, 4=21, then 5 = ?
A. 31 B. 33 C. 35 D. 37
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Correct: Option A. Differences increase by 2: +4,+6,+8,+10 → 21+10=31.- Logical conclusion: All dogs bark. Some cats are dogs.
A. Some cats bark B. All cats bark C. No cats bark D. All dogs are cats
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Correct: Option A.- Pattern: 12 : 144 :: 15 : ?
A. 225 B. 250 C. 235 D. 275
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Correct: Option A. n².Insert missing letter: A, C, F, ?, O
A. J B. K C. L D. M<
BETA
