RRB JE PYQ Set 6

General Awareness

  1. The “Duckworth-Lewis-Stern” method is used in which sport?
  • A. Football
  • B. Cricket
  • C. Hockey
  • D. Tennis
AnswerCorrect: Option B. Explanation: The DLS method is a mathematical formulation used to calculate target scores in rain-affected limited-overs cricket matches.
  1. Who is the author of the book “The Argumentative Indian”?
  • A. Amartya Sen
  • B. Vikram Seth
  • C. Ramachandra Guha
  • D. Shashi Tharoor
AnswerCorrect: Option A. Explanation: Nobel laureate Amartya Sen authored “The Argumentative Indian” which explores the intellectual traditions of India.
  1. India’s first indigenous satellite launch vehicle was:
  • A. ASLV
  • B. GSLV
  • C. PSLV
  • D. SLV-3
AnswerCorrect: Option D. Explanation: SLV-3 (Satellite Launch Vehicle-3) successfully placed Rohini satellite in orbit in 1980, making India the sixth nation with satellite launch capability.
  1. The “REIT” platform introduced in India is related to:
  • A. Renewable energy trading
  • C. Infrastructure investment trusts
AnswerCorrect: Option C. Explanation: REIT (Real Estate Investment Trust) allows investors to earn income from real-estate assets without buying property; it is an infrastructure investment trust.
  1. Which river is also known as “Dakshin Ganga”?
  • A. Godavari
  • B. Krishna
  • C. Kaveri
  • D. Mahanadi
AnswerCorrect: Option A. Explanation: Godavari is the largest peninsular river and hence termed Dakshin (South) Ganga.
  1. The 2023 G-20 Summit under India’s presidency was held in:
  • A. Mumbai
  • B. New Delhi
  • C. Bengaluru
  • D. Hyderabad
AnswerCorrect: Option B. Explanation: The main G-20 Leaders’ Summit was hosted at Bharat Mandapam, Pragati Maidan, New Delhi on 9-10 Sept 2023.
  1. “Project Tiger” was launched in:
  • A. 1968
  • B. 1973
  • C. 1980
  • D. 1986
AnswerCorrect: Option B. Explanation: Project Tiger was launched on 1 April 1973 from Jim Corbett National Park to save the Bengal tiger.
  1. Which of the following is NOT a component of the “Three Language Formula” recommended by the Kothari Commission?
  • A. Hindi-speaking states to study a modern Indian language
  • B. English as compulsory third language
  • C. Non-Hindi states to study Hindi
  • D. Sanskrit as mandatory classical language
AnswerCorrect: Option D. Explanation: The formula does not make Sanskrit mandatory; it is optional.

Mathematics

  1. If x + 1/x = 3, then x³ + 1/x³ is:
  • A. 27
  • B. 18
  • C. 36
  • D. 24
AnswerCorrect: Option B. Explanation: x³ + 1/x³ = (x + 1/x)³ - 3(x + 1/x) = 3³ - 3×3 = 27 - 9 = 18.
  1. A train 150 m long passes a pole in 15 s. The time taken to cross a 450 m platform is:
  • A. 30 s
  • B. 45 s
  • C. 60 s
  • D. 75 s
AnswerCorrect: Option C. Explanation: Speed = 150 m / 15 s = 10 m/s. Total distance = 150 + 450 = 600 m. Time = 600/10 = 60 s.
  1. The compound interest on ₹4000 for 2 years at 10% p.a. compounded half-yearly is:
  • A. ₹862
  • B. ₹826
  • C. ₹841
  • D. ₹840
AnswerCorrect: Option A. Explanation: Rate per half-year = 5%, periods = 4. Amount = 4000(1.05)^4 ≈ 4000×1.2155 = 4862. CI = 4862 – 4000 = ₹862.
  1. If tan A = 3/4, then sin A + cos A is:
  • A. 7/5
  • B. 1/5
  • C. 6/5
  • D. 4/5
AnswerCorrect: Option A. Explanation: Opposite = 3, Adjacent = 4, Hypotenuse = 5. sin A = 3/5, cos A = 4/5. Sum = 7/5.
  1. The average of 11 numbers is 50. If one number is excluded, the average becomes 48. The excluded number is:
  • A. 68
  • B. 70
  • C. 72
  • D. 74
AnswerCorrect: Option B. Explanation: Total of 11 numbers = 550. Total of 10 numbers = 480. Excluded number = 550 – 480 = 70.
  1. If a:b = 3:4 and b:c = 2:5, then a:c is:
  • A. 3:10
  • B. 6:20
  • C. 3:5
  • D. 4:5
AnswerCorrect: Option A. Explanation: a:c = (a/b)×(b/c) = (3/4)×(2/5) = 6/20 = 3:10.
  1. A man rows 32 km upstream and 48 km downstream in 8 hours. He rows 40 km upstream and 44 km downstream in 9 hours. The speed of the stream is:
  • A. 3 km/h
  • B. 4 km/h
  • C. 5 km/h
  • D. 6 km/h
AnswerCorrect: Option B. Explanation: Solving the simultaneous equations gives boat speed = 12 km/h and stream speed = 4 km/h.

Reasoning

  1. Find the missing number: 2, 5, 10, 17, ?, 37
  • A. 24
  • B. 26
  • C. 28
  • D. 30
AnswerCorrect: Option B. Explanation: Pattern is +3, +5, +7, +9, +11. 17 + 9 = 26.
  1. If CLOCK = 21 and TIME = 18, then DAY = ?
  • A. 12
  • B. 15
  • C. 18
  • D. 21
AnswerCorrect: Option B. Explanation: Alphabet positions summed: D=4, A=1, Y=25 → 4+1+25 = 30 → 3+0 = 15.
  1. A man pointing to a photograph said, “He is the son of the only daughter of my father.” How is the man related to the boy?
  • A. Uncle
  • B. Father
  • C. Brother
  • D. Grandfather
AnswerCorrect: Option B. Explanation: The only daughter of the man’s father is the man’s sister; her son is the man’s nephew, but the statement implies the man himself is the father.
  1. Which word cannot be formed using the letters of “ADMINISTRATION”?
  • A. MIND
  • B. STATION
  • C. RATION
  • D. MINISTER
AnswerCorrect: Option D. Explanation: “MINISTER” needs two ‘E’s but the given word has only one ‘E’.
  1. Select the odd one out:
  • A. Tomato
  • B. Cucumber
  • C. Pumpkin
  • D. Brinjal
AnswerCorrect: Option A. Explanation: Tomato is botanically a fruit while others are culinary vegetables (botanically fruits) but tomato is universally treated as a fruit in odd-one classifications.

General Science

  1. The unit of electric field intensity is:
  • A. N/C
  • B. V/A
  • C. J/C
  • D. C/N
AnswerCorrect: Option A. Explanation: Electric field intensity is force per unit charge, hence Newton/Coulomb.
  1. Which of the following is a non-ferrous metal?
  • A. Nickel
  • B. Cobalt
  • C. Aluminium
  • D. Iron
AnswerCorrect: Option C. Explanation: Aluminium does not contain iron as its major constituent and is non-ferrous.
  1. The pH of human blood is approximately:
  • A. 6.8
  • B. 7.0
  • C. 7.4
  • D. 8.0
AnswerCorrect: Option C. Explanation: Blood is slightly alkaline with a pH around 7.4.
  1. The process of converting white phosphorus to red phosphorus is:
  • A. Sublimation
  • B. Oxidation
  • C. Polymerization
  • D. Allotropic change
AnswerCorrect: Option D. Explanation: It is an allotropic phase transition; no chemical reaction with other substances occurs.
  1. The device used to measure very high temperature (>2000 °C) is:
  • A. Thermocouple
  • B. Pyrometer
  • C. Platinum resistance thermometer
  • D. Gas thermometer
AnswerCorrect: Option B. Explanation: Pyrometer (radiation thermometer) measures high temperatures by detecting thermal radiation.
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