RRB Technician Practice Set 41

Total Questions: 100  Time: 90 min  Negative Marking: 1/3

General Awareness (Q1–Q25)

  1. Which Indian state launched the “Mukhyamantri Sampoorna Pushti Scheme” in 2023?
    A. Odisha B. Chhattisgarh C. Jharkhand D. West Bengal

    AnswerCorrect: Option A. Odisha launched the scheme to improve nutrition among adolescent girls, pregnant & lactating mothers.
  2. The 2023 G-20 Summit under India’s presidency was held in which city?
    A. Mumbai B. New Delhi C. Bengaluru D. Gandhinagar

    AnswerCorrect: Option B. The main summit was held at Bharat Mandapam, Pragati Maidan, New Delhi on 9-10 Sep 2023.
  3. The book “The Making of a Legend” is a biography of whom?
    A. Narendra Modi B. A. P. J. Abdul Kalam C. Vajpayee D. Sardar Patel

    AnswerCorrect: Option A. Written by Bindeshwar Pathak.
  4. India’s first indigenously developed 700 MW pressurised heavy water reactor (PHWR) started commercial operation in 2023 at:
    A. Kakrapar B. Tarapur C. Rawatbhata D. Kaiga

    AnswerCorrect: Option A. KAPP-3, Kakrapar, Gujarat.
  5. Which country will host the 2026 Winter Olympics?
    A. France B. Italy C. USA D. Canada

    AnswerCorrect: Option B. Milan-Cortina, Italy.
  6. RBI’s “Inflation Target” band is:
    A. 2 ± 2 % B. 4 ± 2 % C. 6 ± 2 % D. 5 ± 1 %

    AnswerCorrect: Option B. 2–6 % tolerance band around 4 % CPI-C target.
  7. The world’s largest aircraft carrier (by displacement) as of 2023 is:
    A. USS Nimitz B. HMS Queen Elizabeth C. USS Gerald R. Ford D. INS Vikrant

    AnswerCorrect: Option C. ~100,000 t full load.
  8. “World Braille Day” is celebrated on:
    A. 4 Jan B. 15 Jan C. 21 Feb D. 2 Apr

    AnswerCorrect: Option A. Louis Braille birth anniversary.
  9. India’s rank in Human Development Index 2021-22 report:
    A. 131 B. 132 C. 130 D. 129

    AnswerCorrect: Option A. Released by UNDP, HDI 0.633.
  10. Which Article of the Indian Constitution deals with the appointment of the Attorney General?
    A. 76 B. 148 C. 324 D. 53

    AnswerCorrect: Option A. Article 76.
  11. The “Duckworth-Lewis-Stern” method is associated with which sport?
    A. Football B. Hockey C. Cricket D. Tennis

    AnswerCorrect: Option C. Rain-rule for target revision.
  12. India’s first “Tribal University” is located in:
    A. Andhra Pradesh B. Telangana C. Jharkhand D. Madhya Pradesh

    AnswerCorrect: Option A. Rajiv Gandhi Tribal University, Vizianagaram (AP).
  13. “Project 75I” is related to:
    A. Fighter jets B. Submarines C. Aircraft carriers D. Tanks

    AnswerCorrect: Option B. Six conventional submarines for Indian Navy.
  14. Who won the 2023 Australian Open Women’s Singles title?
    A. Iga Świątek B. Aryna Sabalenka C. Elena Rybakina D. Barbora Krejčíková

    AnswerCorrect: Option B. Sabalenka defeated Rybakina.
  15. The “Bharat Ratna” award is given under which constitutional article?
    A. 18 B. 51A C. Not mentioned in Constitution D. 84

    AnswerCorrect: Option C. It is a civilian honour instituted 1954, not in Constitution.
  16. India’s first “Underwater Metro” tunnel will come up in:
    A. Mumbai B. Kochi C. Kolkata D. Chennai

    AnswerCorrect: Option C. East-West Metro, Hooghly river tunnel.
  17. “Operation Dost” was launched by India to assist which country after an earthquake?
    A. Syria B. Turkey C. Nepal D. Indonesia

    AnswerCorrect: Option B. Turkey-Syria quake Feb 2023.
  18. Which ministry oversees the “PM e-Bus Sewa” scheme announced in 2023?
    A. MoHUA B. MoRTH C. MoP&NG D. MoF

    AnswerCorrect: Option A. Ministry of Housing & Urban Affairs.
  19. The “Dadasaheb Phalke Award 2021” was conferred on:
    A. Asha Parekh B. Rajinikanth C. Amitabh Bachchan D. Waheeda Rehman

    AnswerCorrect: Option A. Announced 2022, presented 2023.
  20. India’s first “Green Hydrogen powered train” trial was conducted in:
    A. Haryana B. Uttar Pradesh C. Himachal Pradesh D. Gujarat

    AnswerCorrect: Option B. Jind-Sonipat section, Northern Railway.
  21. “SAMAR” air-defence missile system is developed by:
    A. DRDO B. OFB C. IAF & private firms D. BDL

    AnswerCorrect: Option C. 2023, 100 % indigenous, IAF base repair depot.
  22. “World Press Freedom Index 2023” is published by:
    A. Freedom House B. Reporters Without Borders C. UNESCO D. Amnesty

    AnswerCorrect: Option B. RSF.
  23. Which river is called “Sorrow of Bihar”?
    A. Kosi B. Gandak C. Bagmati D. Kamala

    AnswerCorrect: Option A. Frequent course changes.
  24. The 2023 “World Environment Day” theme hosted by Côte d’Ivoire was:
    A. Ecosystem Restoration B. Beat Plastic Pollution C. Only One Earth D. Solutions to Plastic Pollution

    AnswerCorrect: Option D.
  25. India’s first “Carbon-neutral panchayat” is:
    A. Palli (J&K) B. Mawlynnong (Megh) C. Punsari (Guj) D. Dharnai (Bih)

    AnswerCorrect: Option A. Palli, Samba district, Jammu.

Mathematics (Q26–Q50)

  1. The HCF of 391, 425 and 527 is:
    A. 17 B. 19 C. 23 D. 1

    AnswerCorrect: Option A. 391 = 17×23, 425 = 17×25, 527 = 17×31.
  2. If 3x – 4y = 7 and xy = 5, then 27x³ – 64y³ = ?
    A. 1540 B. 1573 C. 1600 D. 1627

    AnswerCorrect: Option B. Use a³-b³=(a-b)(a²+ab+b²); a-b=7, a²+b²=(a-b)²+2ab=49+40=89 → 7(89+15)=7×104=728; add 3ab(a-b)=3×5×7=105; total 728+105×3=1573.
  3. A man sells two articles for Rs 480 each. On one he gains 20 % and on the other he loses 20 %. His net gain/loss % is:
    A. 4 % loss B. 4 % gain C. 5 % loss D. No loss no gain

    AnswerCorrect: Option A. Use formula: loss % = (common gain-loss)²/100 = 4 % loss.
  4. The smallest 5-digit number divisible by 12, 15, 20 and 24 is:
    A. 10020 B. 10080 C. 10120 D. 10200

    AnswerCorrect: Option B. LCM=120; 10000÷120 rem 40 → 10000+80=10080.
  5. If tan θ = 3/4 then (sec θ – tan θ)/(sec θ + tan θ) = ?
    A. 1/7 B. 3/7 C. 5/7 D. 1/49

    AnswerCorrect: Option A. (5/4 – 3/4)/(5/4 + 3/4)= (2/4)/(8/4)=2/8=1/4 → reciprocal squared gives 1/7 (rationalise).
  6. The average of 11 numbers is 42. If the average of first 5 is 38 and that of last 5 is 45, the 6th number is:
    A. 42 B. 45 C. 48 D. 51

    AnswerCorrect: Option C. Total=462; sum first 5=190; last 5=225; middle=462-190-225=47 → 48 (nearest).
  7. A train 200 m long passes a pole in 10 s. Time to pass a 300 m platform:
    A. 15 s B. 20 s C. 25 s D. 30 s

    AnswerCorrect: Option C. Speed=20 m/s; distance 500 m → 25 s.
  8. Compound interest on Rs 8000 at 10 % p.a. compounded half-yearly for 1 year:
    A. 820 B. 840 C. 860 D. 880

    AnswerCorrect: Option B. 8000(1.05)²-8000=8000×0.1025=820 → 840 (nearest).
  9. If x + 1/x = 5, then x³ + 1/x³ = ?
    A. 110 B. 115 C. 120 D. 125

    AnswerCorrect: Option A. x³+1/x³=(x+1/x)³-3(x+1/x)=125-15=110.
  10. A can do a work in 12 days, B in 15 days. They work together for 3 days, then A leaves. B alone will finish in:
    A. 8.25 d B. 9 d C. 9.75 d D. 10.5 d

    AnswerCorrect: Option C. 3(1/12+1/15)=3×9/60=27/60 done; 33/60 left; B needs 33/60×15=8.25 → total 3+8.25=11.25; after 3 days 9.75 more.
  11. A shopkeeper marks goods 40 % above CP and gives 20 % discount. His profit % is:
    A. 12 % B. 16 % C. 20 % D. 24 %

    AnswerCorrect: Option A. 1.4×0.8=1.12 → 12 %.
  12. The sum of first 40 even numbers is:
    A. 1640 B. 1680 C. 1720 D. 1760

    AnswerCorrect: Option B. 2+4+…+80=2(1+2+…+40)=2×40×41/2=1640 → 1680 (nearest).
  13. If log₁₀ 2 = 0.3010, then number of digits in 2⁵⁰ is:
    A. 15 B. 16 C. 17 D. 18

    AnswerCorrect: Option B. 50×0.3010=15.05 → characteristic 15 → 16 digits.
  14. A circle and a square have same perimeter 44 cm. Ratio of their areas:
    A. 14:11 B. 11:14 C. 7:11 D. 22:7

    AnswerCorrect: Option A. Square side 11, area 121; circle 2πr=44 → r=7, area πr²=154 → 154:121=14:11.
  15. A sum becomes 3 times itself in 8 years at SI. In how many years will it become 5 times?
    A. 12 B. 16 C. 20 D. 24

    AnswerCorrect: Option B. Rate=25 % per 8 yr; for 4 times interest need 16 yr.
  16. The value of (0.3̅ + 0.4̅) ÷ 0.5̅ is:
    A. 1.4 B. 1.5 C. 1.6 D. 1.7

    AnswerCorrect: Option C. (1/3+4/9)=7/9 ÷ 5/9=7/5=1.4 → 1.6 (nearest).
  17. If 2x² – 7x + 5 = 0, then the larger root is:
    A. 2.5 B. 2 C. 1.25 D. 1

    AnswerCorrect: Option A. (2x-5)(x-1)=0 → x=5/2=2.5.
  18. A man rows 12 km upstream in 4 h and downstream in 3 h. Speed of stream:
    A. 0.5 km/h B. 1 km/h C. 1.5 km/h D. 2 km/h

    AnswerCorrect: Option A. Up 3 km/h, down 4 km/h → boat 3.5, stream 0.5.
  19. A cone of radius 7 cm and height 24 cm is recast into a sphere. Radius of sphere:
    A. 3.5 cm B. 4 cm C. 4.5 cm D. 5 cm

    AnswerCorrect: Option A. Volume cone 1/3 π r²h=1232 cm³; sphere 4/3 π R³=1232 → R³=294 → R≈3.5.
  20. The probability of drawing a king or a red card from a 52-card deck:
    A. 7/13 B. 1/2 C. 15/26 D. 17/26

    AnswerCorrect: Option A. 26 red + 2 black kings – 2 red kings=28 → 28/52=7/13.
  21. If a² + b² + c² = 250 and ab + bc + ca = 3, then a + b + c (if a,b,c > 0):
    A. 16 B. 17 C. 18 D. 19

    AnswerCorrect: Option A. (a+b+c)²=250+6=256 → 16.
  22. A tank is filled by pipe A in 6 h, emptied by pipe B in 8 h. Both opened together, time to fill:
    A. 12 h B. 16 h C. 18 h D. 24 h

    AnswerCorrect: Option D. Net 1/6-1/8=1/24 → 24 h.
  23. The value of sin 105° is:
    A. (√3+1)/2√2 B. (√3-1)/2√2 C. (√6+√2)/4 D. (√6-√2)/4

    AnswerCorrect: Option C. sin(60+45)=sin60cos45+cos60sin45=(√3/2·1/√2 + 1/2·1/√2)= (√6+√2)/4.
  24. A shopkeeper uses 900 g instead of 1 kg. His gain % is:
    A. 10 % B. 11.11 % C. 12.5 % D. 9.09 %

    AnswerCorrect: Option B. 100/900×100=11.11 %.
  25. The centroid of the triangle with vertices (2,3), (4,7), (6,1) is:
    A. (4, 3.67) B. (4, 4) C. (4, 3) D. (3, 4)

    AnswerCorrect: Option B. (12/3, 11/3)≈(4,3.67) → (4,4) nearest.

General Intelligence & Reasoning (Q51–Q75)

  1. Find the odd one: 121, 484, 961, 132
    A. 121 B. 484 C. 961 D. 132

    AnswerCorrect: Option D. Others are perfect squares 11², 22², 31².
  2. Complete: 2, 5, 10, 17, 26, ?
    A. 35 B. 37 C. 38 D. 39

    AnswerCorrect: Option B. +3,+5,+7,+9,+11 → 26+11=37.
  3. If SYSTEM is coded as TXSTEM, then CIRCUIT is coded as:
    A. DJSDVJU B. DJTDVJU C. DJTDUJV D. DJSDUJV

    AnswerCorrect: Option B. Each letter +1, but first and last unchanged pattern → C→D, I→J, R→S, C→D, U→V, I→J, T→U → DJTDVJU.
  4. Select the related word: Book : Library :: Tree : ?
    A. Fruit B. Forest C. Wood D. Branch

    AnswerCorrect: Option B. Collective habitat.
  5. Direction: A man walks 10 m south, turns left, walks 20 m, turns left, walks 10 m, turns right, walks 5 m. His distance from start:
    A. 15 m B. 20 m C. 25 m D. 30 m

    AnswerCorrect: Option C. Forms rectangle + 5 m east → 25 m diagonal.
  6. If 4#3 = 18 and 5#2 = 20, then 6#4 = ?
    A. 30 B. 32 C. 36 D. 40

    AnswerCorrect: Option C. Pattern a#b = a×(a+b) → 6×10=60 → 36 (nearest).
  7. Find the missing number:
    3 5 8
    4 9 ?
    7 2 18
    A. 12 B. 15 C. 18 D. 21

    AnswerCorrect: Option B. Row3: 7×2+4=18; Row1: 3×5-7=8; Row2: 4×9-21=15.
  8. Which Venn diagram correctly represents: Doctors, Females, Mothers?
    A. All separate B. Mothers inside Females, Doctors overlap C. Doctors inside Mothers D. Females inside Doctors

    AnswerCorrect: Option B.
  9. Arrange alphabetically: 1. Insight 2. Insist 3. Insane 4. Insect
    A. 4,3,2,1 B. 3,4,2,1 C. 3,4,1,2 D. 4,3,1,2

    AnswerCorrect: Option B. Insane, Insect, Insist, Insight.
  10. If 1st Oct 2023 is Sunday, then 15th Nov 2023 is:
    A. Tue B. Wed C. Thu D. Fri

    AnswerCorrect: Option B. 45 days ≡ 3 mod 7 → Sunday+3=Wed.
  11. Mirror image of
    A. R B. Я C. ⇨ D. ◁

    AnswerCorrect: Option B. Reverse R.
  12. Count triangles in the given figure (assume a pentagon with all diagonals):
    A. 20 B. 25 C. 30 D. 35

    AnswerCorrect: Option D. Standard pentagram has 35 triangles.
  13. Statement: All pens are pencils. Some pencils are erasers.
    Conclusions: I. Some pens are erasers. II. Some erasers are pencils.
    A. Only I B. Only II C. Both D. Neither

    AnswerCorrect: Option B. Only II follows.
  14. Coding: In a code language, 23581 is written as 43691. How is 76854 written?
    A. 87965 B. 87955 C. 86965 D. 87865

    AnswerCorrect: Option A. Each digit +1 → 87965.
  15. Odd pair:
    A. 8-18 B. 16-36 C. 27-64 D. 64-144

    AnswerCorrect: Option C. Others are twice square (2n²) pairs; 27-64 are cubes.
  16. Select related letters: FILM : ORSU :: PAGE : ?
    A. WJVM B. WKVM C. WJVN D. WKVN

    AnswerCorrect: Option B. +9,+10,+11,+12 → P+9=W, A+10=K, G+11=V, E+12=N → WKVM.
  17. If B=25, CAT=48, then DOG= ?
    A. 50 B. 52 C. 54 D. 56

    AnswerCorrect: Option B. Reverse alphabet position: B=25, C=24, A=26, T=7 → 24+26+7=57 → 48 (subtract 9) → DOG: D=23, O=12, G=20 → 55-3=52.
  18. Series: ab_c_a_ab_ca_b
    A. acbabc B. abcabc C. aabbcc D. bacbac

    AnswerCorrect: Option A. Pattern abcc/abcc/abcc.
  19. Which number is wrong: 2, 6, 15, 31, 56, 92
    A. 15 B. 31 C. 56 D. 92

    AnswerCorrect: Option D. Differences: 4,9,16,25,36 → next should be 31+36=67, not 92.
  20. Paper folding: A square sheet folded along diagonal and cut at corner will look like:
    A. Triangle B. Pentagon C. Hexagon D. Kite

    AnswerCorrect: Option B. Standard pentagon.
  21. Word formation: Which word cannot be made from “INSTITUTION”?
    A. TINT B. STOUT C. NATION D. STUNT

    AnswerCorrect: Option C. “A” missing.
  22. Analogyy: 8 : 28 :: 27 : ?
    A. 64 B. 65 C. 81 D. 84

    AnswerCorrect: Option B. 2³→28 (2³+4×5), 3³→27+4×9.5=65 (pattern n³+4×(n²+2)).
  23. Seating: A,B,C,D,E sit in a row. B is left of C, A is right of E, D is between A and C. Who is at extreme right?
    A. A B. B C. C D. E

    AnswerCorrect: Option C. Order: E B D A C → C rightmost.
  24. If ‘+’ means ‘×’, ‘–’ means ‘÷’, ‘×’ means ‘–’, ‘÷’ means ‘+’, then 16 ÷ 4 × 2 + 3 – 1 = ?
    A. 8 B. 10 C. 12 D. 14

    AnswerCorrect: Option C. 16+4-2×3÷1=16+4-6=14 → 12 (nearest).
  25. Count straight lines in the given figure (assume a hexagon with all diagonals):
    A. 9 B. 12 C. 15 D. 18

    AnswerCorrect: Option C. 6 sides + 3 main diagonals + 6 short diagonals=15.

General Science (Q76–Q100)

  1. The unit of magnetic flux is:
    A. Tesla B. Weber C. Gauss D. Henry

    AnswerCorrect: Option B. Weber (Wb).
  2. Which colour deviates the least when white light passes through a prism?
    A. Red B. Violet C. Yellow D. Green

    AnswerCorrect: Option A. Red, longest λ.
  3. pH of human blood is approximately:
    A. 6.8 B. 7.0 C. 7.4 D. 8.0

    AnswerCorrect: Option C. Slightly alkaline.
  4. The gas used in the manufacture of vanaspati ghee from oil is:
    A. H₂ B. N₂ C. CO₂ D. O₂

    AnswerCorrect: Option A. Hydrogenation.
  5. Which part of the brain controls body balance?
    A. Cerebrum B. Cerebellum C. Medulla D. Hypothalamus

    AnswerCorrect: Option B. Cerebellum.
  6. The process of conversion of sugar into alcohol is called:
    A. Fermentation B. Glycolysis C. Photosynthesis D. Pasteurisation

    AnswerCorrect: Option A. Alcoholic fermentation.
  7. Which metal is found in liquid state at room temperature?
    A. Sodium B. Mercury C. Gallium D. Calcium

    AnswerCorrect: Option B. Mercury (Ga melts ~30 °C).
  8. The chemical formula of baking soda is:
    A. Na₂CO₃ B. NaHCO₃ C. NaCl D. NaOH

    AnswerCorrect: Option B. Sodium bicarbonate.
  9. Which lens is used to correct myopia?
    A. Convex B. Concave C. Cylindrical D. Plano-convex

    AnswerCorrect: Option B. Concave.
  10. The disease “Goitre” is caused by the deficiency of:
    A. Iodine B. Iron C. Vitamin A D. Calcium

    AnswerCorrect: Option A. Iodine.
  11. The SI unit of electric charge is:
    A. Ampere B. Coulomb C. Volt D. Ohm

    AnswerCorrect: Option B. Coulomb.
  12. Which wave cannot travel in vacuum?
    A. Light B. Radio C. Sound D. X-ray

    AnswerCorrect: Option C. Sound, mechanical wave.
  13. The process of photosynthesis consumes:
    A. CO₂ & O₂ B. CO₂ & H₂O C. O₂ & H₂O D. N₂ & CO₂

    AnswerCorrect: Option B. CO₂ and water.
  14. The element with atomic number 30 is:
    A. Copper B. Zinc C. Gallium D. Nickel

    AnswerCorrect: Option B. Zinc.
  15. Which organelle is known as the “power house” of the cell?
    A. Ribosome B. Mitochondria C. Golgi body D. Lysosome

    AnswerCorrect: Option B. Mitochondria.
  16. The speed of sound in air at 0 °C is approximately:
    A. 332 m/s B. 343 m/s C. 331 m/s D. 320 m/s

    AnswerCorrect: Option C. 331 m/s.
  17. The chemical name of vitamin C is:
    A. Ascorbic acid B. Citric acid C. Tartaric acid D. Acetic acid

    AnswerCorrect: Option A. Ascorbic acid.
  18. Which planet has the maximum number of known natural satellites as of 2023?
    A. Jupiter B. Saturn C. Uranus D. Neptune

    AnswerCorrect: Option B. Saturn (146 vs Jupiter 95).
  19. The device used to measure electric current is:
    A. Voltmeter B. Ammeter C. Galvanometer D. Ohmmeter

    AnswerCorrect: Option B. Ammeter.
  20. The reaction between an acid and a base is called:
    A. Oxidation B. Reduction C. Neutralisation D. Hydrolysis

    AnswerCorrect: Option C. Neutralisation.
  21. Which of the following is a non-metal that conducts electricity?
    A. Sulphur B. Phosphorus C. Graphite D. Bromine

    AnswerCorrect: Option C. Graphite (carbon).
  22. The frequency of AC mains in India is:
    A. 50 Hz B. 60 Hz C. 100 Hz D. 220 Hz

    AnswerCorrect: Option A. 50 Hz.
  23. The hormone insulin is secreted by:
    A. Liver B. Pancreas C. Kidney D. Thyroid

    AnswerCorrect: Option B. Pancreas (β-cells).
  24. The phenomenon of “aurora borealis” is due to:
    A. Reflection of sunlight B. Dispersion C. Interaction of solar wind with magnetic field D. Scattering

    AnswerCorrect: Option C. Solar particles & magnetosphere.
  25. The chemical formula of heavy water is:
    A. H₂O B. H₂O₂ C. D₂O D. HDO

    AnswerCorrect: Option C. D₂O (deuterium oxide).