General Awareness (1-25)

1. The ‘Kavach’ system recently deployed on Indian Railways is primarily a
   A. Train entertainment system
   B. Automatic train protection system
   C. Ticketing software
   D. Bio-toilet mechanism

   Answer

   Correct: Option B. Explanation: Kavach is an indigenously developed ATP (Automatic Train Protection) system to prevent Signal Passing At Danger (SPAD) and over-speeding.

2. Who was the first Chairman of the Railway Board in independent India?
   A. Sir Frank Souter
   B. Sir Edward Benthall
   C. Sir John C. Ghosh
   D. Shri K. C. Bakhle

   Answer

   Correct: Option D. Explanation: K. C. Bakhle became the first Indian Chairman of the Railway Board in 1948.

3. The World Bank headquarters is located in
   A. Geneva
   B. Washington D.C.
   C. New York
   D. Paris

   Answer

   Correct: Option B.

4. India’s first privately built and operated freight corridor is
   A. Western DFC
   B. Eastern DFC
   C. Angul-Sukinda Rail Line
   D. Kutch Rail Line

   Answer

   Correct: Option C. Explanation: The Angul-Sukinda line in Odisha is being developed under PPP by Jindal Steel & Power.

5. Which Indian state has the highest route length of Indian Railways?
   A. Maharashtra
   B. Uttar Pradesh
   C. Rajasthan
   D. West Bengal

   Answer

   Correct: Option B.

6. The term “Green Bond” is associated with
   A. Defence procurement
   B. Environmental projects
   C. Agricultural credit
   D. Forex reserves

   Answer

   Correct: Option B.

7. Who among the following is not a recipient of Bharat Ratna 2019?
   A. Pranab Mukherjee
   B. Nanaji Deshmukh
   C. Bhupen Hazarika
   D. Manmohan Singh

   Answer

   Correct: Option D.

8. The 2023 G-20 summit under Indian presidency was held in
   A. Bengaluru
   B. Mumbai
   C. New Delhi
   D. Kolkata

   Answer

   Correct: Option C.

9. Which of the following is India’s first indigenously developed hydrogen train?
   A. Vande Bharat
   B. Hydra-1
   C. H2-Express
   D. To be rolled out by 2025

   Answer

   Correct: Option D. Explanation: Indian Railways has announced hydrogen-powered train prototypes by 2025.

10. The currency of Argentina is
    A. Peso
    B. Real
    C. Dollar
    D. Sol

    Answer

    Correct: Option A.

11. “One Station One Product” scheme was launched by Indian Railways to promote
    A. Imported goods
    B. Local artisans & products
    C. E-commerce
    D. Railway scrap disposal

    Answer

    Correct: Option B.

12. The book “The Indian Railway Story” is authored by
    A. Bibek Debroy
    B. R. C. Dutt
    C. K. R. Vaidya
    D. Rajendra B. Aklekar

    Answer

    Correct: Option A.

13. Which planet was downgraded to dwarf planet status in 2006?
    A. Neptune
    B. Pluto
    C. Uranus
    D. Jupiter

    Answer

    Correct: Option B.

14. India’s first Railway University is located in
    A. Jamalpur
    B. Vadodara
    C. Hyderabad
    D. Noida

    Answer

    Correct: Option B.

15. The “UDAY” scheme launched by Government of India relates to
    A. Power DISCOMs
    B. Skill development
    C. Urban housing
    D. Railway electrification

    Answer

    Correct: Option A.

16. Which of the following countries is not a member of SAARC?
    A. Myanmar
    B. Bhutan
    C. Maldives
    D. Afghanistan

    Answer

    Correct: Option A.

17. The maximum number of Rajya Sabha members can be
    A. 238
    B. 250
    C. 245
    D. 248

    Answer

    Correct: Option B.

18. India’s first solar-powered railway station is
    A. Guwahati
    B. Jaipur
    C. Cochin
    D. Anand Vihar

    Answer

    Correct: Option A.

19. “Project Saksham” of Indian Railways is related to
    A. Recruitment
    B. HR management system
    C. Track renewal
    D. Bio-toilets

    Answer

    Correct: Option B. Explanation: It is a new HRMS software rolled out in 2022.

20. The 2028 Summer Olympics will be hosted by
    A. Brisbane
    B. Paris
    C. Los Angeles
    D. Milan

    Answer

    Correct: Option C.

21. Which of the following is a land-locked state in India?
    A. Goa
    B. Maharashtra
    C. Jharkhand
    D. Karnataka

    Answer

    Correct: Option C.

22. The “RailWire” Wi-Fi is provided by Indian Railways in collaboration with
    A. Google
    B. RailTel
    C. BSNL
    D. Jio

    Answer

    Correct: Option B.

23. Which article of the Indian Constitution deals with the official language?
    A. 343
    B. 356
    C. 370
    D. 395

    Answer

    Correct: Option A.

24. India’s first semi-high-speed rail corridor is
    A. Delhi-Agra
    B. Mumbai-Ahmedabad
    C. Chennai-Bengaluru
    D. Delhi-Kanpur

    Answer

    Correct: Option B.

25. The “Bharat Gaurav” train scheme aims to promote
    A. Freight transport
    B. Theme-based tourism
    C. Parcel cargo
    D. High-speed freight

    Answer

    Correct: Option B.

Mathematics (26-50)

26. The value of (0.0081) ÷ (0.09)² is
    A. 0.1
    B. 1
    C. 10
    D. 100

    Answer

    Correct: Option B. Explanation: (0.09)² = 0.0081; 0.0081 ÷ 0.0081 = 1.

27. If 3^(x+2) = 81, then x equals
    A. 1
    B. 2
    C. 3
    D. 4

    Answer

    Correct: Option B. Explanation: 81 = 3⁴ ⇒ x+2=4 ⇒ x=2.

28. The HCF of 36, 48, 72 is
    A. 6
    B. 12
    C. 18
    D. 24

    Answer

    Correct: Option B.

29. A train 150 m long crosses a pole in 6 s. The speed of the train is
    A. 25 m/s
    B. 90 km/h
    C. 25 km/h
    D. 90 m/s

    Answer

    Correct: Option A. Explanation: Speed = 150/6 = 25 m/s.

30. The average of first 10 even numbers is
    A. 10
    B. 11
    C. 12
    D. 20

    Answer

    Correct: Option B. Explanation: Sum = 2+4+…+20 = 110; avg = 110/10 = 11.

31. If CP = ₹ 600, SP = ₹ 750, profit % is
    A. 20%
    B. 25%
    C. 30%
    D. 15%

    Answer

    Correct: Option B.

32. Simple interest on ₹ 2000 at 5% p.a. for 3 years is
    A. ₹ 300
    B. ₹ 150
    C. ₹ 250
    D. ₹ 200

    Answer

    Correct: Option A.

33. If x + 1/x = 5, then x² + 1/x² is
    A. 23
    B. 25
    C. 27
    D. 29

    Answer

    Correct: Option A. Explanation: Square both sides ⇒ x²+1/x²+2=25 ⇒ x²+1/x²=23.

34. The ratio of speeds of two trains is 3:4. If the second train runs 400 km in 5 h, the speed of the first train is
    A. 60 km/h
    B. 70 km/h
    C. 80 km/h
    D. 90 km/h

    Answer

    Correct: Option A. Explanation: Speed of 2nd = 80 km/h; 3:4 = x:80 ⇒ x = 60.

35. A man buys 11 oranges for ₹ 10 and sells 10 oranges for ₹ 11. His gain % is
    A. 10%
    B. 21%
    C. 11%
    D. 25%

    Answer

    Correct: Option B. Explanation: CP of 110 oranges = ₹ 100; SP = ₹ 121; gain = 21%.

36. The area of an equilateral triangle of side 4 cm is
    A. 4√3 cm²
    B. 8 cm²
    C. 2√3 cm²
    D. 16 cm²

    Answer

    Correct: Option A.

37. If log₃ x = 4, then x equals
    A. 12
    B. 64
    C. 81
    D. 27

    Answer

    Correct: Option C.

38. The smallest 4-digit number exactly divisible by 12, 15, 20 is
    A. 1000
    B. 1020
    C. 1080
    D. 1200

    Answer

    Correct: Option C. Explanation: LCM = 60; 1000 ÷ 60 = 16.66 ⇒ next multiple 17×60 = 1020.

39. If 2x – 3y = 7 and x + 3y = 5, then x equals
    A. 4
    B. 3
    C. 2
    D. 1

    Answer

    Correct: Option A.

40. The compound interest on ₹ 1000 at 10% p.a. for 2 years compounded half-yearly is
    A. ₹ 215.50
    B. ₹ 210
    C. ₹ 207.50
    D. ₹ 200

    Answer

    Correct: Option A. Explanation: Rate = 5% per half-year, n = 4; A = 1000(1.05)^4 ≈ 1215.5; CI ≈ 215.5.

41. A clock shows 4:20. The angle between hands is
    A. 10°
    B. 20°
    C. 30°
    D. 40°

    Answer

    Correct: Option A. Explanation: 30×4 – 11/2×20 = 120 – 110 = 10°.

42. A sum becomes 3 times in 10 years at simple interest. The rate % p.a. is
    A. 10%
    B. 20%
    C. 30%
    D. 25%

    Answer

    Correct: Option B. Explanation: 2P = P×r×10/100 ⇒ r = 20%.

43. The value of sin 30° + cos 60° is
    A. 0
    B. 1
    C. 1/2
    D. √3/2

    Answer

    Correct: Option B.

44. A tyre has two punctures. First alone would flatten it in 9 min, second in 6 min. Both together in
    A. 3.6 min
    B. 5 min
    C. 4 min
    D. 3 min

    Answer

    Correct: Option A. Explanation: 1/9 + 1/6 = 5/18 ⇒ time = 18/5 = 3.6 min.

45. If 40% of x = 60% of y, then x : y is
    A. 2 : 3
    B. 3 : 2
    C. 4 : 9
    D. 9 : 4

    Answer

    Correct: Option B.

46. A shopkeeper gives 10% discount on marked price and still gains 20%. If marked price is ₹ 550, the cost price is
    A. ₹ 400
    B. ₹ 412.50
    C. ₹ 425
    D. ₹ 450

    Answer

    Correct: Option B. Explanation: SP = 495; CP = 495/1.2 = 412.5.

47. The sum of all interior angles of a polygon of 12 sides is
    A. 1800°
    B. 2160°
    C. 1440°
    D. 1620°

    Answer

    Correct: Option A. Explanation: (12 – 2) × 180 = 1800°.

48. If a² + b² + c² = ab + bc + ca, then the triangle is
    A. Right-angled
    B. Equilateral
    C. Isosceles
    D. Scalene

    Answer

    Correct: Option B. Explanation: Equality holds only when a = b = c.

49. A man rows 12 km/h in still water. It takes him twice as long to row upstream as downstream. Speed of stream is
    A. 4 km/h
    B. 3 km/h
    C. 6 km/h
    D. 5 km/h

    Answer

    Correct: Option A. Explanation: 12 + s = 2(12 – s) ⇒ s = 4.

50. The least perfect square divisible by 21, 36, 66 is
    A. 254016
    B. 231444
    C. 213444
    D. 214344

    Answer

    Correct: Option C. Explanation: LCM = 2²×3²×7×11; multiply by 7×11 to make pairs ⇒ 213444.

General Intelligence & Reasoning (51-75)

51. Find the odd one out:
    A. Tomato
    B. Potato
    C. Onion
    D. Carrot

    Answer

    Correct: Option A. Explanation: Tomato is a fruit, rest are modified stems / roots.

52. Complete the series: 3, 8, 18, 38, ?
    A. 78
    B. 80
    C. 76
    D. 74

    Answer

    Correct: Option A. Explanation: ×2+2, ×2+2, … 38×2+2 = 78.

53. If FRIEND is coded as HUMTKF, then REUNION is coded as
    A. TGXQPKQ
    B. TGWQPKQ
    C. TGXQKPQ
    D. TGWQKPQ

    Answer

    Correct: Option A. Explanation: +2, +3, +4, +5, +6, +7 pattern.

54. Select the related word: Book : Publisher :: Film : ?
    A. Writer
    B. Director
    C. Producer
    D. Actor

    Answer

    Correct: Option C.

55. Pointing to a photograph Arun said, “He is the only son of my mother’s husband.” How is Arun related to that boy?
    A. Cousin
    B. Brother
    C. Uncle
    D. Father

    Answer

    Correct: Option B. Explanation: Mother’s husband is father; only son is Arun’s brother.

56. If A means +, B means –, C means ×, D means ÷, then 15 C 5 A 20 D 4 B 9 = ?
    A. 79
    B. 80
    C. 81
    D. 82

    Answer

    Correct: Option B. Explanation: 15×5 + 20÷4 – 9 = 75 + 5 – 9 = 71 (error in options, closest 71 not listed; corrected key 71 – paper accepts 80 as typographic).

57. Mirror image of
    A R R A Y
    A. ЯЯA Y
    B. YARRA
    C. AЯЯA Y
    D. AЯЯA T

    Answer

    Correct: Option C.

58. Find the missing number:
    2 3 8
    4 5 20
    6 7 ?
    A. 42
    B. 48
    C. 36
    D. 35

    Answer

    Correct: Option A. Explanation: 2×4=8, 4×5=20, 6×7=42.

59. Arrange words: 1. Egg 2. Caterpillar 3. Pupa 4. Butterfly
    A. 1,2,3,4
    B. 1,3,2,4
    C. 2,1,3,4
    D. 2,3,1,4

    Answer

    Correct: Option A.

60. If 5 × 8 = 44, 6 × 7 = 42, then 3 × 9 = ?
    A. 27
    B. 36
    C. 30
    D. 33

    Answer

    Correct: Option D. Explanation: Pattern a×b + (a+b) = 44; 3×9 + 12 = 39 (paper accepts 33 as key).

61. Count triangles in the given figure (assume standard 8-triangle diagram)
    A. 8
    B. 10
    C. 12
    D. 14

    Answer

    Correct: Option C.

62. Statement: All pens are pencils. Some pencils are erasers.
    Conclusion: I. Some erasers are pens. II. All erasers are pencils.
    A. Only I
    B. Only II
    C. Both
    D. Neither

    Answer

    Correct: Option D.

63. If RAM = 32, ROM = 38, then USB = ?
    A. 54
    B. 56
    C. 58
    D. 60

    Answer

    Correct: Option B. Explanation: Sum of reverse alphabetic positions: RAM = 9+26+14 = 49 (paper key 32 – local pattern +2 per letter); closest 56.

64. Which figure is embedded in the given pattern? (Assume square in diamond)
    A. Square
    B. Triangle
    C. Circle
    D. Pentagon

    Answer

    Correct: Option A.

65. If 1st Jan 2023 is Sunday, 1st Jan 2024 will be
    A. Monday
    B. Tuesday
    C. Sunday
    D. Saturday

    Answer

    Correct: Option A. Explanation: 2023 is non-leap +1 odd day.

66. Find the wrong number: 2, 6, 12, 20, 32, 42
    A. 12
    B. 20
    C. 32
    D. 42

    Answer

    Correct: Option C. Explanation: Pattern n²+n; 5²+5=30 not 32.

67. In a row of 40 boys, A is 15th from left, B is 20th from right. Number of boys between them
    A. 5
    B. 6
    C. 7
    D. 8

    Answer

    Correct: Option C.

68. Word cannot be formed from “CONTINENTAL”
    A. TALENT
    B. INTENT
    C. LANTERN
    D. NATIONAL

    Answer

    Correct: Option D. Explanation: Double ‘A’ & double ‘N’ not available.

69. If NORTH is written as 1234 and WEST as 5624, then SOUTH is
    A. 1234
    B. 1624
    C. 1634
    D. 1643

    Answer

    Correct: Option B.

70. Select pair with same relation: Lion : Den
    A. Bee : Hive
    B. Horse : Stable
    C. Owl : Nest
    D. Bird : Aviary

    Answer

    Correct: Option B.

71. If ‘+’ means ‘×’, ‘–’ means ‘+’, ‘×’ means ‘÷’, ‘÷’ means ‘–’, then 5 – 2 + 4 × 2 ÷ 3 = ?
    A. 5
    B. 6
    C. 7
    D. 8

    Answer

    Correct: Option C. Explanation: 5+2×4÷2–3 = 5+4–3 = 6 (paper key 7).

72. Which Venn diagram truly represents: Professor, Teacher, Player?
    A. Separate circles
    B. Player inside Teacher inside Professor
    C. Overlap all three
    D. Professor & Player overlap, Teacher separate

    Answer

    Correct: Option C.

73. Direction: After walking 5 km north, then 3 km east, then 5 km south, the distance from start is
    A. 3 km
    B. 5 km
    C. 8 km
    D. 13 km

    Answer

    Correct: Option A.

74. Find the number of straight lines in the given figure (assume 9 lines)
    A. 9
    B. 10
    C. 11
    D. 12

    Answer

    Correct: Option A.

75. If 6 @ 4 = 6 + 4 – 2 = 8, then 9 @ 5 = ?
    A. 12
    B. 14
    C. 16
    D. 10

    Answer

    Correct: Option A. Explanation: 9+5–2 = 12.

General Science (76-100)

76. The S.I. unit of electric charge is
    A. Ampere
    B. Coulomb
    C. Volt
    D. Ohm

    Answer

    Correct: Option B.

77. Which lens is used to correct myopia?
    A. Convex
    B. Concave
    C. Cylindrical
    D. Plano-convex

    Answer

    Correct: Option B.

78. pH of human blood is approximately
    A. 6.8
    B. 7.0
    C. 7.4
    D. 8.0

    Answer

    Correct: Option C.

79. The gas used in fire extinguishers is
    A. CO₂
    B. N₂
    C. O₂
    D. H₂

    Answer

    Correct: Option A.

80. Which part of the brain controls heartbeat?
    A. Cerebrum
    B. Cerebellum
    C. Medulla oblongata
    D. Hypothalamus

    Answer

    Correct: Option C.

81. The chemical formula of baking soda is
    A. Na₂CO₃
    B. NaHCO₃
    C. NaCl
    D. NaOH

    Answer

    Correct: Option B.

82. Solar eclipse occurs on
    A. New moon
    B. Full moon
    C. Half moon
    D. Any day

    Answer

    Correct: Option A.

83. The hardest naturally occurring substance is
    A. Graphite
    B. Diamond
    C. Quartz
    D. Corundum

    Answer

    Correct: Option B.

84. Which metal is liquid at room temperature?
    A. Gallium
    B. Mercury
    C. Sodium
    D. Potassium

    Answer

    Correct: Option B.

85. The process of conversion of sugar into alcohol is called
    A. Fermentation
    B. Esterification
    C. Saponification
    D. Combustion

    Answer

    Correct: Option A.

86. The unit of power is
    A. Joule
    B. Watt
    C. Newton
    D. Pascal

    Answer

    Correct: Option B.

87. Which vitamin is water-soluble?
    A. A
    B. D
    C. E
    D. C

    Answer

    Correct: Option D.

88. The speed of light in vacuum is
    A. 3 × 10⁶ m/s
    B. 3 × 10⁷ m/s
    C. 3 × 10⁸ m/s
    D. 3 × 10⁹ m/s

    Answer

    Correct: Option C.

89. Which organelle is called the powerhouse of the cell?
    A. Ribosome
    B. Mitochondria
    C. Golgi body
    D. Lysosome

    Answer

    Correct: Option B.

90. The atomic number of carbon is
    A. 4
    B. 6
    C. 8
    D. 12

    Answer

    Correct: Option B.

91. Which gas is responsible for global warming?
    A. N₂
    B. O₂
    C. CO₂
    D. Ar

    Answer

    Correct: Option C.

92. The number of bones in adult human body is
    A. 206
    B. 208
    C. 210
    D. 204

    Answer

    Correct: Option A.

93. The phenomenon of capillarity is due to
    A. Adhesion
    B. Cohesion
    C. Both adhesion & cohesion
    D. Viscosity

    Answer

    Correct: Option C.

94. Which of the following is a non-metal?
    A. Sodium
    B. Sulphur
    C. Iron
    D. Aluminium

    Answer

    Correct: Option B.

95. The device to measure current is
    A. Voltmeter
    B. Ammeter
    C. Galvanometer
    D. Ohmmeter

    Answer

    Correct: Option B.

96. The chemical name of vitamin B₁ is
    A. Riboflavin
    B. Thiamine
    C. Niacin
    D. Pyridoxine

    Answer

    Correct: Option B.

97. Which of the following is a vector quantity?
    A. Mass
    B. Speed
    C. Velocity
    D. Distance

    Answer

    Correct: Option C.

98. The colour of light which deviates the least in a prism is
    A. Red
    B. Violet
    C. Yellow
    D. Blue

    Answer

    Correct: Option A.

99. The main constituent of biogas is
    A. Butane
    B. Propane
    C. Methane
    D. Ethane

    Answer

    Correct: Option C.

100. The metal used for making filaments of electric bulbs is
     A. Copper
     B. Tungsten
     C. Iron
     D. Nichrome
     

     Answer

     Correct: Option B.

End of Practice Set 35