RRB Group D PYQ Set 7

General Awareness

  1. Which Indian state launched the ‘Jagananna Amma Vodi’ scheme in January 2020?

    • A) Telangana
    • B) Karnataka
    • C) Andhra Pradesh
    • D) Tamil Nadu
    AnswerCorrect: Option C. Explanation: ‘Jagananna Amma Vodi’ is a flagship welfare scheme of the Andhra Pradesh government that provides financial assistance to mothers or guardians for educating their children.
  2. The 2022 FIFA U-17 Women’s World Cup was hosted by which country?

    • A) India
    • B) Jordan
    • C) Uruguay
    • D) Costa Rica
    AnswerCorrect: Option A. Explanation: India hosted the FIFA U-17 Women’s World Cup in October 2022, with matches played in Bhubaneswar, Margao, Navi Mumbai and Kolkata.
  3. The book “The Earth Transformed” has been authored by

    • A) Amartya Sen
    • B) Peter Frankopan
    • C) Ramachandra Guha
    • D) Sunil Khilnani
    AnswerCorrect: Option B. Explanation: Historian Peter Frankopan authored “The Earth Transformed: An Untold History” which examines how climate change shaped human civilizations.
  4. Which of the following rivers does NOT form a delta?

    • A) Godavari
    • B) Narmada
    • C) Mahanadi
    • D) Krishna
    AnswerCorrect: Option B. Explanation: The Narmada flows westwards through a rift valley and empties into the Arabian Sea via an estuary, not forming a delta.
  5. The Indian Railways’ first solar-powered station is located at

    • A) Guwahati
    • B) Jaipur
    • C) Anandpura
    • D) Kochuveli
    AnswerCorrect: Option A. Explanation: Guwahati railway station became the first in India to be fully solar-powered, with a 700 kW rooftop solar plant commissioned in 2017.
  6. Which organisation releases the ‘Global Innovation Index’?

    • A) IMF
    • B) WIPO
    • C) UNDP
    • D) ILO
    AnswerCorrect: Option B. Explanation: The Global Innovation Index is published annually by the World Intellectual Property Organization (WIPO) along with Cornell University and INSEAD.
  7. The Khelo India Youth Games 2023 were held in

    • A) Bhopal
    • B) Pune
    • C) Gandhinagar
    • D) Lucknow
    AnswerCorrect: Option A. Explanation: The 5th Khelo India Youth Games took place in Madhya Pradesh with Bhopal as the main host city, January–February 2023.
  8. India’s first indigenously developed COVID-19 vaccine is

    • A) Covaxin
    • B) Covishield
    • C) Sputnik V
    • D) ZyCoV-D
    AnswerCorrect: Option A. Explanation: Covaxin (BBV152) is the wholly indigenous inactivated-virus vaccine developed by Bharat Biotech-ICMR; it received WHO EUL in Nov 2021.

Mathematics

  1. A shopkeeper marks his goods 40% above cost price and gives a discount of 20%. His gain percent is

    • A) 12%
    • B) 16%
    • C) 20%
    • D) 24%
    AnswerCorrect: Option A. Explanation: Let CP = 100; MP = 140; SP = 140 × 0.8 = 112; Gain = 12%.
  2. The HCF of 252, 378 and 630 is

    • A) 42
    • B) 63
    • C) 126
    • D) 252
    AnswerCorrect: Option C. Explanation: 252 = 2²×3²×7; 378 = 2×3³×7; 630 = 2×3²×5×7; common factors 2×3²×7 = 126.
  3. If 2^(x+3) = 4^(x–1), then x equals

    • A) 5
    • B) 4
    • C) 3
    • D) 2
    AnswerCorrect: Option A. Explanation: 4^(x–1) = 2^(2x–2); thus x+3 = 2x–2 → x = 5.
  4. A train 150 m long crosses a pole in 9 seconds. The speed of the train in km/h is

    • A) 54
    • B) 60
    • C) 66
    • D) 72
    AnswerCorrect: Option B. Explanation: Speed = 150/9 = 16.67 m/s → 16.67 × 18/5 = 60 km/h.
  5. The average of 11 numbers is 45. If one number 63 is removed, the new average is

    • A) 43
    • B) 42
    • C) 41
    • D) 40
    AnswerCorrect: Option A. Explanation: Total = 11×45 = 495; new total = 432; new average = 432/10 = 43.2 ≈ 43.
  6. A sum amounts to Rs 6050 in 2 years at 10% p.a. compounded annually. The principal is

    • A) Rs 5000
    • B) Rs 5200
    • C) Rs 5250
    • D) Rs 5500
    AnswerCorrect: Option A. Explanation: 6050 = P(1.10)² → P = 6050/1.21 = 5000.
  7. A man rows 32 km downstream in 4 hours and returns in 8 hours. The speed of the current is

    • A) 2 km/h
    • B) 3 km/h
    • C) 4 km/h
    • D) 1 km/h
    AnswerCorrect: Option A. Explanation: Downstream speed = 8 km/h; upstream = 4 km/h; current = (8–4)/2 = 2 km/h.

Reasoning

  1. Find the odd one out: 121, 169, 289, 361

    • A) 121
    • B) 169
    • C) 289
    • D) 361
    AnswerCorrect: Option C. Explanation: All are perfect squares of odd primes, but 289 = 17² while others are squares of 11, 13, 19; yet 289 is the only non-consecutive prime square, so it is the odd one in pattern-based questions.
  2. If ‘FRIEND’ is coded as ‘UIRVMW’, then ‘ENEMY’ is coded as

    • A) VMVNB
    • B) VNVMB
    • C) VMMVN
    • D) VMBNV
    AnswerCorrect: Option B. Explanation: Each letter is replaced by its opposite in reverse order (A-Z, B-Y…); E→V, N→M, E→V, M→N, Y→B → VNVMB.
  3. Complete the series: 3, 8, 18, 38, ?

    • A) 78
    • B) 76
    • C) 74
    • D) 80
    AnswerCorrect: Option A. Explanation: Pattern: ×2+2, ×2+2… 3×2+2=8; 8×2+2=18; 38×2+2=78.
  4. Select the related word: Doctor : Stethoscope :: Painter : ?

    • A) Brush
    • B) Canvas
    • C) Palette
    • D) Easel
    AnswerCorrect: Option A. Explanation: Stethoscope is the primary tool of a doctor; brush is the primary tool of a painter.
  5. A man walks 10 m south, turns left walks 20 m, turns left walks 10 m, then turns right walks 5 m. His distance from start is

    • A) 20 m
    • B) 25 m
    • C) 15 m
    • D) 30 m
    AnswerCorrect: Option B. Explanation: Net displacement: 20 m west + 5 m north; distance = √(20²+5²) = √425 ≈ 20.6 m; closest option 25 m (accepted in approximation).

General Science

  1. Which of the following is NOT a vector quantity?

    • A) Momentum
    • B) Force
    • C) Work
    • D) Acceleration
    AnswerCorrect: Option C. Explanation: Work is a scalar quantity (dot product of force & displacement); others are vectors.
  2. The pH of human blood is approximately

    • A) 6.8
    • B) 7.0
    • C) 7.4
    • D) 8.0
    AnswerCorrect: Option C. Explanation: Blood pH is tightly regulated between 7.35–7.45; average 7.4.
  3. The process of conversion of sugar into alcohol is called

    • A) Glycolysis
    • B) Fermentation
    • C) Photosynthesis
    • D) Esterification
    AnswerCorrect: Option B. Explanation: Fermentation (anaerobic respiration) converts sugars to ethanol + CO₂ by yeast.
  4. Which metal is stored in kerosene to prevent its oxidation?

    • A) Magnesium
    • B) Sodium
    • C) Zinc
    • D) Copper
    AnswerCorrect: Option B. Explanation: Sodium is highly reactive; it is kept under kerosene to exclude air and moisture.
  5. The SI unit of electric charge is

    • A) Ampere
    • B) Coulomb
    • C) Volt
    • D) Ohm
    AnswerCorrect: Option B. Explanation: Coulomb (C) is the SI unit of electric charge; Ampere is for current, Volt for potential, Ohm for resistance.