RRB JE PYQ Set 4
General Awareness
-
Who won the Men’s Singles title at the 2022 Wimbledon Championships?
- A. Rafael Nadal
- B. Novak Djokovic
- C. Carlos Alcaraz
- D. Roger Federer
Answer
Correct: Option B. Explanation: Novak Djokovic defeated Nick Kyrgios in the 2022 Wimbledon final to claim his 7th Wimbledon title. -
The “Dakshin Gangotri” research station of India is located in which continent?
- A. Arctic
- B. Antarctica
- C. Europe
- D. South America
Answer
Correct: Option B. Explanation: Dakshin Gangotri was India’s first permanent scientific base station in Antarctica, commissioned in 1984. -
Which state launched the “Pink e-Auto” scheme for women drivers in 2022?
- A. Tamil Nadu
- B. Karnataka
- C. Kerala
- D. Telangana
Answer
Correct: Option C. Explanation: Kerala introduced 50 electric pink-coloured autos driven by women to promote green & safe transport. -
The 2023 G-20 Summit under India’s presidency was held in which city?
- A. New Delhi
- B. Mumbai
- C. Bengaluru
- D. Kolkata
Answer
Correct: Option A. Explanation: The main G-20 Leaders’ Summit took place at Bharat Mandapam, Pragati Maidan, New Delhi on 9-10 Sept 2023. -
“SVAMITVA” scheme is related to:
- A. Rural property ownership
- B. Urban housing credit
- C. Digital land records
- D. Both A & C
Answer
Correct: Option D. Explanation: SVAMITVA (Survey of Villages & Mapping with Improvised Technology in Village Areas) provides property cards to rural household owners using drone mapping. -
Who is the author of the book “The India Way”?
- A. Subrahmanyam Jaishankar
- B. Nirmala Sitharaman
- C. Narendra Modi
- D. Amit Shah
Answer
Correct: Option A. Explanation: External Affairs Minister Dr. S. Jaishankar penned “The India Way: Strategies for an Uncertain World”. -
Which Indian river is known as “Vridha Ganga”?
- A. Godavari
- B. Krishna
- C. Narmada
- D. Kaveri
Answer
Correct: Option A. Explanation: Because of its age and size, Godavari is called the old Ganga or Vridha Ganga. -
The currency of Argentina is:
- A. Peso
- B. Real
- C. Dollar
- D. Euro
Answer
Correct: Option A. Explanation: Argentine Peso (ARS) is the official currency.
Mathematics
-
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: (x + 1/x)² = 25 → x² + 2 + 1/x² = 25 → x² + 1/x² = 23. -
A train 180 m long crosses a platform in 18 s at 72 km/h. The platform length is:
- A. 180 m
- B. 200 m
- C. 220 m
- D. 240 m
Answer
Correct: Option C. Explanation: 72 km/h = 20 m/s. Distance = 20 × 18 = 360 m. Platform = 360 – 180 = 180 m. (Correction: 360 – 180 = 180 m; hence correct choice A. But since 180 m is option A, the answer remains A) However, recheck: 20×18=360; 360-180=180 → A. -
The compound interest on ₹8,000 at 10% p.a. for 2 years compounded annually is:
- A. ₹1,600
- B. ₹1,680
- C. ₹1,760
- D. ₹1,680
Answer
Correct: Option B. Explanation: Amount = 8000(1.10)² = 9680; CI = 9680 – 8000 = ₹1,680. -
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. -
The average of 11 numbers is 50. The average of first 6 is 48 and last 6 is 52. The 6th number is:
- A. 50
- B. 48
- C. 52
- D. 56
Answer
Correct: Option A. Explanation: Total = 11×50 = 550. Sum first 6 = 288, sum last 6 = 312. Overlap: 288 + 312 – 550 = 50. -
A man rows 30 km upstream in 5 h and downstream in 3 h. The speed of the stream is:
- A. 2 km/h
- B. 3 km/h
- C. 4 km/h
- D. 5 km/h
Answer
Correct: Option A. Explanation: Up speed = 6 km/h, down speed = 10 km/h. Stream = (10 – 6)/2 = 2 km/h. -
If tan θ = 3/4, then sin θ + cos θ = ?
- A. 7/5
- B. 1/5
- C. 5/7
- D. 5/4
Answer
Correct: Option A. Explanation: 3-4-5 triangle ⇒ sin θ = 3/5, cos θ = 4/5 → sum = 7/5.
Reasoning
-
Find the odd one out:
- A. Tomato
- B. Cucumber
- C. Brinjal
- D. Orange
Answer
Correct: Option D. Explanation: Orange is a citrus fruit; others are vegetables. -
Complete the series: 3, 8, 18, 38, ?
- A. 78
- B. 80
- C. 76
- D. 82
Answer
Correct: Option A. Explanation: Pattern ×2+2: 3×2+2=8, 8×2+2=18, 18×2+2=38, 38×2+2=78. -
If SYSTEM is coded as UAUVGO, how is CHAIR coded?
- A. EJCKT
- B. EJCKR
- C. EKDKT
- D. EKCKT
Answer
Correct: Option A. Explanation: Each letter +2: C→E, H→J, A→C, I→K, R→T → EJCKT. -
A is brother of B. C is father of A. D is sister of C. How is B related to D?
- A. Niece
- B. Nephew
- C. Daughter
- D. Cannot be determined
Answer
Correct: Option D. Explanation: Gender of B is not given; hence relationship cannot be fixed. -
Select the missing number:
4 9 2
3 5 7
8 ? 6- A. 1
- B. 4
- C. 2
- D. 3
Answer
Correct: Option A. Explanation: It’s a 3×3 magic square; each row/column sums to 15. Hence centre = 1.
General Science
-
The 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 charge. -
Which of the following is a non-metal that exists in liquid state at room temperature?
- A. Mercury
- B. Bromine
- C. Gallium
- D. Iodine
Answer
Correct: Option B. Explanation: Bromine (Br) is the only non-metal liquid at 25 °C. -
The phenomenon of scattering of light by colloidal particles is called:
- A. Tyndall effect
- B. Brownian motion
- C. Osmosis
- D. Diffusion
Answer
Correct: Option A. Explanation: Tyndall effect makes the path of light visible in colloids. -
The hormone insulin is secreted by:
- A. Liver
- B. Pancreas
- C. Thyroid
- D. Adrenal
Answer
Correct: Option B. Explanation: β-cells of islets of Langerhans in pancreas secrete insulin. -
The speed of sound is maximum in:
- A. Air
- B. Water
- C. Steel
- D. Vacuum
Answer
Correct: Option C. Explanation: Sound travels fastest in solids due to higher elasticity & density; steel is a solid.