RRB NTPC Practice Set 61

General Awareness (25)

  1. Which country will host the 2026 Commonwealth Games?
    A. Australia B. Malaysia C. India D. South Africa
AnswerCorrect: Option A. The 2026 Commonwealth Games are scheduled to be held in the Australian state of Victoria.
  1. The book “The India Way” was authored by
    A. S. Jaishankar B. Nirmala Sitharaman C. Narendra Modi D. Shashi Tharoor
AnswerCorrect: Option A. External Affairs Minister Dr. S. Jaishankar wrote “The India Way”.
  1. India’s first solar-powered railway station is
    A. Jaipur B. Guwahati C. Secunderabad D. Bangalore City
AnswerCorrect: Option B. Guwahati railway station became India’s first solar-powered rail station in 2017.
  1. Which Article of the Indian Constitution deals with the Finance Commission?
    A. 280 B. 256 C. 324 D. 360
AnswerCorrect: Option A. Article 280 provides for the Finance Commission.
  1. The 2023 G-20 Summit was held in
    A. Bali B. New Delhi C. Rome D. Hamburg
AnswerCorrect: Option B. India hosted the 2023 Summit at Bharat Mandapam, New Delhi.
  1. The world’s largest active volcano is
    A. Etna B. Mauna Loa C. Vesuvius D. Stromboli
AnswerCorrect: Option B. Mauna Loa in Hawaii is the largest active volcano by volume.
  1. The currency of Argentina is
    A. Peso B. Real C. Dollar D. Sol
AnswerCorrect: Option A. Argentine Peso.
  1. “KALIA” scheme is associated with which state?
    A. Kerala B. Karnataka C. Odisha D. Tamil Nadu
AnswerCorrect: Option C. Krushak Assistance for Livelihood and Income Augmentation (KALIA) is an Odisha farmer welfare scheme.
  1. Who is the present (as of June 2024) Chairman of ISRO?
    A. S. Somanath B. K. Sivan C. A. S. Kiran Kumar D. P. S. Veeraraghavan
AnswerCorrect: Option A. Dr. S. Somanath is the current Chairman.
  1. India’s first National Rail and Transportation University is located in
    A. Pune B. Vadodara C. Hyderabad D. Bhubaneswar
AnswerCorrect: Option B. National Rail and Transportation Institute (NRTI) at Vadodara.
  1. The “Golden Revolution” is related to
    A. Wheat B. Horticulture C. Oilseeds D. Pulses
AnswerCorrect: Option B. Golden Revolution denotes growth in horticulture, apples, saffron etc.
  1. Which regiment is known as “The Bravest of the Brave”?
    A. Gorkha B. Sikh C. Rajputana Rifles D. Madras
AnswerCorrect: Option A. The Gorkha Regiment’s bravery earned this sobriquet.
  1. The maximum membership of the Rajya Sabha from any state is limited to
    A. 12 B. 22 C. 31 D. 40
AnswerCorrect: Option C. Uttar Pradesh has 31 RS seats, the highest.
  1. “Project Tiger” was launched in
    A. 1973 B. 1980 C. 1965 D. 1992
AnswerCorrect: Option A. 1973 from Corbett.
  1. The 2022 FIFA World Cup final was played at
    A. Al Bayt B. Lusail C. Education City D. Khalifa
AnswerCorrect: Option B. Lusail Stadium, Qatar.
  1. Which Indian city is called the “Silicon Valley of India”?
    A. Hyderabad B. Bengaluru C. Pune D. Chennai
AnswerCorrect: Option B. Bengaluru.
  1. The boundary line between India and China is called
    A. McMahon Line B. Radcliffe Line C. Durand Line D. 38th Parallel
AnswerCorrect: Option A.
  1. Who wrote the autobiography “A Shot at History”?
    A. Abhinav Bindra B. Gagan Narang C. Rajyavardhan Rathore D. Neeraj Chopra
AnswerCorrect: Option A. Olympic gold-medallist shooter Abhinav Bindra.
  1. India’s first bullet-train corridor (Mumbai–Ahmedabad) uses technology from
    A. France B. Japan C. Germany D. China
AnswerCorrect: Option B. Shinkansen (Japan) E5 series.
  1. The “Duckworth-Lewis” method is used in
    A. Football B. Tennis C. Cricket D. Hockey
AnswerCorrect: Option C. Rain-rule in cricket.
  1. Which state has the highest installed solar capacity as of 2023?
    A. Rajasthan B. Gujarat C. Tamil Nadu D. Maharashtra
AnswerCorrect: Option A. Rajasthan leads (>17 GW).
  1. The “One Nation, One Ration Card” scheme was rolled out in
    A. 2018 B. 2019 C. 2020 D. 2021
AnswerCorrect: Option C. Nationwide implementation from July 2020.
  1. The headquarters of the Asian Development Bank is
    A. Singapore B. Manila C. Bangkok D. Jakarta
AnswerCorrect: Option B. Mandaluyong, Metro Manila, Philippines.
  1. Which day is observed as “National Voters’ Day” in India?
    A. 9 Aug B. 25 Jan C. 1 Nov D. 2 Oct
AnswerCorrect: Option B. 25 January since 2011.
  1. The “Sagarmala” project is associated with
    A. Ports & shipping B. Aviation C. Highways D. Railways
AnswerCorrect: Option A. Port-led development under Ministry of Ports.

Mathematics (25)

  1. The value of (0.3̅ ÷ 0.6̅) is
    A. 0.5 B. 0.55 C. 0.6 D. 0.4
AnswerCorrect: Option A. 0.3̅ = 1/3, 0.6̅ = 2/3 → (1/3)/(2/3)=1/2=0.5
  1. If 3x–4y=–5 and 2x+3y=18, then x+y=
    A. 7 B. 8 C. 9 D. 10
AnswerCorrect: Option B. Solving simultaneously: x=3, y=5 → x+y=8
  1. A train 180 m long crosses a pole in 9 s. Speed in km/h is
    A. 60 B. 72 C. 75 D. 80
AnswerCorrect: Option B. Speed = 180/9 = 20 m/s = 72 km/h
  1. The compound interest on ₹4000 at 10% p.a. compounded half-yearly for 1 year is
    A. ₹400 B. ₹410 C. ₹420 D. ₹441
AnswerCorrect: Option C. A=4000(1+0.05)^2=4410 → CI=410 (approx) (exact 410.25) Nearest 410
  1. If a:b=3:4 and b:c=8:9, then a:c=
    A. 1:2 B. 2:3 C. 3:4 D. 4:5
AnswerCorrect: Option B. a:c = (3/4)(8/9)=24/36=2:3
  1. A man buys 11 oranges for ₹10 and sells 10 for ₹11. Gain% is
    A. 10% B. 11% C. 21% D. 25%
AnswerCorrect: Option C. CP of 110 = 100, SP of 110 = 121 → 21% gain
  1. The least number which when divided by 12, 18, 24 leaves remainder 5 in each case is
    A. 149 B. 144 C. 77 D. 72
AnswerCorrect: Option A. LCM=72 → 72×2+5=149
  1. If x+1/x=5, then x²+1/x²=
    A. 23 B. 24 C. 25 D. 27
AnswerCorrect: Option A. (x+1/x)²=25 → x²+1/x²=23
  1. A shopkeeper marks goods 40% above CP and gives 20% discount. Net gain% is
    A. 12% B. 15% C. 18% D. 20%
AnswerCorrect: Option A. 1.4×0.8=1.12 → 12%
  1. The average of first 10 even numbers is
    A. 10 B. 11 C. 12 D. 20
AnswerCorrect: Option B. Sum=110 → avg=11
  1. If 2^(x+3)=4^(x–1), then x=
    A. 5 B. 4 C. 3 D. 2
AnswerCorrect: Option A. 2^(x+3)=2^(2x–2) → x+3=2x–2 → x=5
  1. A can do work in 15 days, B in 20 days. Together in how many days?
    A. 8 B. 8.57 C. 9 D. 10
AnswerCorrect: Option B. 1/15+1/20=7/60 → 60/7≈8.57 days
  1. The sum of angles of a polygon of 9 sides is
    A. 1260° B. 1080° C. 900° D. 1440°
AnswerCorrect: Option A. (9–2)×180=1260°
  1. If cosθ=5/13, then tanθ=
    A. 12/5 B. 5/12 C. 13/5 D. 12/13
AnswerCorrect: Option A. opp=12 → tan=12/5
  1. A sum doubles in 8 years at simple interest. Rate% p.a. is
    A. 10% B. 12.5% C. 15% D. 8%
AnswerCorrect: Option B. SI=P → R=100P/(P×8)=12.5%
  1. The value of 7log(16/15)+5log(25/24)+3log(81/80) is
    A. 0 B. log2 C. log3 D. log5
AnswerCorrect: Option B. Simplifies to log2
  1. A car travels 40 km at 20 km/h and next 40 km at 30 km/h. Average speed is
    A. 24 B. 25 C. 26 D. 27
AnswerCorrect: Option A. 80/(2+4/3)=80/(10/3)=24 km/h
  1. The radius of a sphere is 3 cm. Volume (π≈3.14) is
    A. 113.04 B. 108 C. 120 D. 141.3
AnswerCorrect: Option A. 4/3 πr³=4/3×3.14×27≈113.04 cm³
  1. If 30% of x is 60, then x=
    A. 180 B. 200 C. 250 D. 300
AnswerCorrect: Option B. 0.3x=60 → x=200
  1. The HCF of 144 and 198 is
    A. 18 B. 24 C. 36 D. 9
AnswerCorrect: Option A. 144=2^4×3^2, 198=2×3^2×11 → HCF=18
  1. A man sold two watches for ₹990 each; on one he gains 10% and on the other loses 10%. Net result is
    A. 1% loss B. 1% gain C. No loss no gain D. 2% loss
AnswerCorrect: Option A. Always 1% loss in such cases
  1. The smallest 4-digit number exactly divisible by 12, 15, 18 is
    A. 1000 B. 1080 C. 1260 D. 1200
AnswerCorrect: Option B. LCM=180 → 180×6=1080
  1. If a²+b²=45 and ab=18, then a+b=
    A. 9 B. 8 C. 7 D. 6
AnswerCorrect: Option A. (a+b)²=45+36=81 → a+b=9
  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. A dice is thrown twice. Probability that sum is 9 is
    A. 1/9 B. 1/12 C. 4/36 D. 4/11
AnswerCorrect: Option A. Favourable (3,6)(4,5)(5,4)(6,3)=4 → 4/36=1/9

General Intelligence & Reasoning (25)

  1. Find the odd one: Delhi, Mumbai, Kolkata, Pune
    A. Delhi B. Mumbai C. Kolkata D. Pune
AnswerCorrect: Option D. Pune is not a state capital among the choices.
  1. Complete series: 3, 8, 18, 38, ?
    A. 78 B. 68 C. 58 D. 48
AnswerCorrect: Option A. 3×2+2=8, 8×2+2=18 … 38×2+2=78
  1. If RIP stands for QHO, then SUN stands for
    A. RTM B. RTN C. TUM D. STM
AnswerCorrect: Option A. –1 series: R→Q, I→H, P→O → S→R, U→T, N→M → RTM
  1. Pointing to a lady, a man said, “She is the only daughter of my father’s son.” How is lady related?
    A. Daughter B. Niece C. Sister D. Wife
AnswerCorrect: Option A. Man’s son’s daughter → granddaughter to man, but only daughter of son → daughter
  1. Arrange words: 1.Tree 2.Seed 3.Fruit 4.Plant
    A. 2,4,1,3 B. 2,1,4,3 C. 4,2,1,3 D. 1,2,3,4
AnswerCorrect: Option A. Seed→Plant→Tree→Fruit
  1. Select pair with same relation as “Doctor : Stethoscope”
    A. Author : Pen B. Carpenter : Anvil C. Farmer : Plough D. Painter : Brush
AnswerCorrect: Option D. Tool of trade
  1. In a code, FRIEND is written as EQHDMC, then ENEMY is
    A. DLDLX B. DLDMX C. DLFLW D. DLELX
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… 5×6=30
  1. If ‘+’ means ‘×’, ‘–’ means ‘+’, ‘×’ means ‘–’, then 6–4+2×5=
    A. 10 B. 12 C. 14 D. 16
AnswerCorrect: Option C. 6+4×2–5=6+8–5=14
  1. Count triangles in given figure (assume a simple triangle with one median)
    A. 3 B. 4 C. 5 D. 6
AnswerCorrect: Option C. 5 triangles
  1. Statement: All pens are pencils. Some pencils are erasers.
    Conclusion: I. Some pens are erasers. II. Some erasers are pencils.
    A. Only I B. Only II C. Both D. Neither
AnswerCorrect: Option B. II follows, I need not.
  1. Ram is 15th from left and 18th from right in a row. Total students?
    A. 32 B. 31 C. 33 D. 30
AnswerCorrect: Option A. 15+18–1=32
  1. Select odd numeral pair: 4–16, 5–25, 6–36, 7–48
    A. 4–16 B. 5–25 C. 6–36 D. 7–48
AnswerCorrect: Option D. 7²=49≠48
  1. A clock is started at noon. By 10 minutes past 5, hour hand has turned
    A. 155° B. 160° C. 150° D. 145°
AnswerCorrect: Option A. 5 h 10 m = 31/6 h → 30×31/6=155°
  1. If 1st Jan 2023 is Sunday, then 1st Jan 2024 is
    A. Monday B. Tuesday C. Sunday D. Saturday
AnswerCorrect: Option A. 2023 not leap → +1 → Monday
  1. Find word that cannot be formed from “ADMINISTRATION”
    A. MIND B. STATION C. RATION D. MINER
AnswerCorrect: Option D. No E in ADMINISTRATION
  1. Direction: Walk 10 m North, 10 m East, 10 m South. Distance from start?
    A. 0 B. 10 m E C. 10 m W D. 20 m N
AnswerCorrect: Option B. 10 m East
  1. Mirror image of “dIgit”
    A. tigid B. tigId C. tigid D. tigId
AnswerCorrect: Option D. Capital I mirrored as I, lowercase reversed
  1. Series: AZ, BY, CX, DW, ?
    A. EV B. VE C. EU D. EV
AnswerCorrect: Option A. EV (E-V)
  1. If 4×2=32, 5×3=50, then 6×4=
    A. 96 B. 48 C. 64 D. 72
AnswerCorrect: Option A. Pattern a×b → a×b×b → 6×4×4=96
  1. Odd one: Triangle, Square, Pentagon, Circle
    A. Triangle B. Square C. Pentagon D. Circle
AnswerCorrect: Option D. Only curved figure
  1. Venn diagram: School, Classroom, Blackboard
    A. School⊃Classroom⊃Blackboard B. All separate C. Overlapping only D. None
AnswerCorrect: Option A. Nested
  1. If P is brother of Q, Q is sister of R, R is father of S, then P is
    A. Uncle B. Father C. Grandfather D. Brother
AnswerCorrect: Option A. Uncle of S
  1. Missing letter: A, C, F, J, ?
    A. O B. P C. Q D. N
AnswerCorrect: Option A. +2,+3,+4,+5 → O
  1. Statement A: All cats are dogs. Statement B: All dogs are rats.
    Conclusion: All cats are rats.
    A. True B. False C. Uncertain D. Absurd
AnswerCorrect: Option A. Syllogism valid

General Science (25)

  1. The SI unit of electric charge is
    A. Ampere B. Coulomb C. Volt D. Ohm
AnswerCorrect: Option B. Coulomb
  1. Which part of human brain controls balance?
    A. Cerebrum B. Cerebellum C. Medulla D. Hypothalamus
AnswerCorrect: Option B. Cerebellum
  1. The process of conversion of sugar into alcohol is
    A. Fermentation B. Esterification C. Saponification D. Hydrogenation
AnswerCorrect: Option A. Fermentation by yeast
  1. The metal stored in kerosene to prevent reaction is
    A. Na B. Mg C. Al D. Zn
AnswerCorrect: Option A. Sodium
  1. The speed of sound in vacuum is
    A. 0 B. 332 m/s C. 3×10⁸ m/s D. 1500 m/s
AnswerCorrect: Option A. Sound needs medium
  1. pH of human blood is approximately
    A. 6.8 B. 7.0 C. 7.4 D. 8.0
AnswerCorrect: Option C. 7.4 slightly alkaline
  1. Which lens is used to correct myopia?
    A. Convex B. Concave C. Cylindrical D. Bifocal
AnswerCorrect: Option B. Concave
  1. The chemical formula of baking soda is
    A. Na₂CO₃ B. NaHCO₃ C. NaCl D. NaOH
AnswerCorrect: Option B. Sodium bicarbonate
  1. The powerhouse of cell is
    A. Ribosome B. Mitochondria C. Golgi D. Lysosome
AnswerCorrect: Option B. Mitochondria
  1. Which gas is released during photosynthesis?
    A. CO₂ B. O₂ C. N₂ D. H₂
AnswerCorrect: Option B. Oxygen
  1. The hardest natural substance is
    A. Graphite B. Diamond C. Quartz D. Corundum
AnswerCorrect: Option B. Diamond
  1. Which wave cannot be polarised?
    A. Radio B. Ultrasonic C. Light D. X-ray
AnswerCorrect: Option B. Sound (longitudinal) waves
  1. The device to measure electric current is
    A. Voltmeter B. Ammeter C. Galvanometer D. Ohmmeter
AnswerCorrect: Option B. Ammeter
  1. The hormone insulin is secreted by
    A. Liver B. Pancreas C. Thyroid D. Pituitary
AnswerCorrect: Option B. β-cells of pancreas
  1. The