RRB Group D PYQ Set 7
General Awareness
-
Which Indian state launched the ‘Jagananna Amma Vodi’ scheme in January 2020?
- A) Telangana
- B) Karnataka
- C) Andhra Pradesh
- D) Tamil Nadu
Answer
Correct: 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. -
The 2022 FIFA U-17 Women’s World Cup was hosted by which country?
- A) India
- B) Jordan
- C) Uruguay
- D) Costa Rica
Answer
Correct: 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. -
The book “The Earth Transformed” has been authored by
- A) Amartya Sen
- B) Peter Frankopan
- C) Ramachandra Guha
- D) Sunil Khilnani
Answer
Correct: Option B. Explanation: Historian Peter Frankopan authored “The Earth Transformed: An Untold History” which examines how climate change shaped human civilizations. -
Which of the following rivers does NOT form a delta?
- A) Godavari
- B) Narmada
- C) Mahanadi
- D) Krishna
Answer
Correct: Option B. Explanation: The Narmada flows westwards through a rift valley and empties into the Arabian Sea via an estuary, not forming a delta. -
The Indian Railways’ first solar-powered station is located at
- A) Guwahati
- B) Jaipur
- C) Anandpura
- D) Kochuveli
Answer
Correct: 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. -
Which organisation releases the ‘Global Innovation Index’?
- A) IMF
- B) WIPO
- C) UNDP
- D) ILO
Answer
Correct: Option B. Explanation: The Global Innovation Index is published annually by the World Intellectual Property Organization (WIPO) along with Cornell University and INSEAD. -
The Khelo India Youth Games 2023 were held in
- A) Bhopal
- B) Pune
- C) Gandhinagar
- D) Lucknow
Answer
Correct: Option A. Explanation: The 5th Khelo India Youth Games took place in Madhya Pradesh with Bhopal as the main host city, January–February 2023. -
India’s first indigenously developed COVID-19 vaccine is
- A) Covaxin
- B) Covishield
- C) Sputnik V
- D) ZyCoV-D
Answer
Correct: 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
-
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%
Answer
Correct: Option A. Explanation: Let CP = 100; MP = 140; SP = 140 × 0.8 = 112; Gain = 12%. -
The HCF of 252, 378 and 630 is
- A) 42
- B) 63
- C) 126
- D) 252
Answer
Correct: Option C. Explanation: 252 = 2²×3²×7; 378 = 2×3³×7; 630 = 2×3²×5×7; common factors 2×3²×7 = 126. -
If 2^(x+3) = 4^(x–1), then x equals
- A) 5
- B) 4
- C) 3
- D) 2
Answer
Correct: Option A. Explanation: 4^(x–1) = 2^(2x–2); thus x+3 = 2x–2 → x = 5. -
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
Answer
Correct: Option B. Explanation: Speed = 150/9 = 16.67 m/s → 16.67 × 18/5 = 60 km/h. -
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
Answer
Correct: Option A. Explanation: Total = 11×45 = 495; new total = 432; new average = 432/10 = 43.2 ≈ 43. -
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
Answer
Correct: Option A. Explanation: 6050 = P(1.10)² → P = 6050/1.21 = 5000. -
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
Answer
Correct: Option A. Explanation: Downstream speed = 8 km/h; upstream = 4 km/h; current = (8–4)/2 = 2 km/h.
Reasoning
-
Find the odd one out: 121, 169, 289, 361
- A) 121
- B) 169
- C) 289
- D) 361
Answer
Correct: 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. -
If ‘FRIEND’ is coded as ‘UIRVMW’, then ‘ENEMY’ is coded as
- A) VMVNB
- B) VNVMB
- C) VMMVN
- D) VMBNV
Answer
Correct: 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. -
Complete the series: 3, 8, 18, 38, ?
- A) 78
- B) 76
- C) 74
- D) 80
Answer
Correct: Option A. Explanation: Pattern: ×2+2, ×2+2… 3×2+2=8; 8×2+2=18; 38×2+2=78. -
Select the related word: Doctor : Stethoscope :: Painter : ?
- A) Brush
- B) Canvas
- C) Palette
- D) Easel
Answer
Correct: Option A. Explanation: Stethoscope is the primary tool of a doctor; brush is the primary tool of a painter. -
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
Answer
Correct: 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
-
Which of the following is NOT a vector quantity?
- A) Momentum
- B) Force
- C) Work
- D) Acceleration
Answer
Correct: Option C. Explanation: Work is a scalar quantity (dot product of force & displacement); others are vectors. -
The pH of human blood is approximately
- A) 6.8
- B) 7.0
- C) 7.4
- D) 8.0
Answer
Correct: Option C. Explanation: Blood pH is tightly regulated between 7.35–7.45; average 7.4. -
The process of conversion of sugar into alcohol is called
- A) Glycolysis
- B) Fermentation
- C) Photosynthesis
- D) Esterification
Answer
Correct: Option B. Explanation: Fermentation (anaerobic respiration) converts sugars to ethanol + CO₂ by yeast. -
Which metal is stored in kerosene to prevent its oxidation?
- A) Magnesium
- B) Sodium
- C) Zinc
- D) Copper
Answer
Correct: Option B. Explanation: Sodium is highly reactive; it is kept under kerosene to exclude air and moisture. -
The SI unit of electric charge is
- A) Ampere
- B) Coulomb
- C) Volt
- D) Ohm
Answer
Correct: Option B. Explanation: Coulomb (C) is the SI unit of electric charge; Ampere is for current, Volt for potential, Ohm for resistance.