RRB JE PYQ Set 9

  1. Which Indian state launched the “Jal Jeevan Mission” to provide piped water supply to every rural household by 2024? A. Maharashtra
    B. Gujarat
    C. Uttar Pradesh
    D. Haryana

    AnswerCorrect: Option B. Explanation: Gujarat was the first state to implement Jal Jeevan Mission in mission mode, achieving 100% functional household tap connections in 2020 itself.

  2. The 2023 G-20 Summit under India’s presidency was held in which city? A. Mumbai
    B. New Delhi
    C. Bengaluru
    D. Hyderabad

    AnswerCorrect: Option B. Explanation: The main G-20 Leaders’ Summit 2023 was hosted at Bharat Mandapam, Pragati Maidan, New Delhi on 9–10 September.

  3. Who won the ICC Women’s Cricketer of the Year 2022 award? B. Smriti Mandhana
    C. Ellyse Perry
    D. Alyssa Healy

    AnswerCorrect: Option A. Explanation: Smriti Mandhana claimed the Rachael Heyhoe-Flint Trophy for the second time (earlier in 2018 & 2022).

  4. The “Digital Payment Index” is released by which organisation? A. SEBI
    B. RBI
    C. NITI Aayog
    D. NPCI

    AnswerCorrect: Option B. Explanation: RBI’s Digital Payment Index (RBI-DPI) tracks the penetration of digital payments every quarter since March 2018.

  5. Which river is known as “Sorrow of Bihar”? A. Kosi
    B. Gandak
    C. Bagmati
    D. Son

    AnswerCorrect: Option A. Explanation: Kosi’s frequent course changes and floods earned it the epithet “Sorrow of Bihar”.

  6. The world’s longest highway tunnel above 10,000 ft, “Atal Tunnel”, connects Manali to which valley? A. Spiti
    B. Lahaul
    C. Kullu
    D. Kangra

    AnswerCorrect: Option B. Explanation: 9.02 km Atal Tunnel bypasses the Rohtang Pass and provides all-weather access to Lahaul valley.

  7. India’s first indigenous aircraft carrier (IAC-1) commissioned in 2022 is named A. INS Vikrant
    B. INS Vishal
    C. INS Viraat
    D. INS Shakti

    AnswerCorrect: Option A. Explanation: INS Vikrant (IAC-1) was commissioned at Kochi on 2 Sep 2022.

  8. The “One Nation, One Ration Card” scheme comes under which ministry? A. Consumer Affairs, Food & Public Distribution
    B. Rural Development
    C. Health & Family Welfare
    D. Social Justice

    AnswerCorrect: Option A. Explanation: ONORC is an initiative of the Department of Food & Public Distribution for nationwide portability of ration cards.

  9. If x² – 5x + 6 = 0 and y² – 3y + 2 = 0, the value of x + y for the smallest roots of each equation is A. 3
    B. 4
    C. 5
    D. 6

    AnswerCorrect: Option A. Explanation: Smallest root of x²–5x+6=0 is 2; smallest root of y²–3y+2=0 is 1. Hence x+y=3.

  10. A train 180 m long crosses a platform in 24 s with a speed of 90 km/h. The length of the platform is A. 180 m
    B. 360 m
    C. 420 m
    D. 480 m

    AnswerCorrect: Option C. Explanation: 90 km/h = 25 m/s. Distance = 25×24 = 600 m. Platform = 600 – 180 = 420 m.

  11. The compound interest on ₹8,000 at 10% p.a. compounded half-yearly for 1 year is A. ₹820
    B. ₹840
    C. ₹860
    D. ₹882

    AnswerCorrect: Option B. Explanation: Rate per half-year = 5%, periods = 2. Amount = 8000(1.05)² = 8820. CI = 8820 – 8000 = ₹820 (nearest option ₹820 is correct; typo in option labels, correct label is A).

  12. If (a + b) : (a – b) = 5 : 2, then a² – b² : a² + b² is A. 20 : 29
    B. 10 : 29
    C. 29 : 20
    D. 29 : 10

    AnswerCorrect: Option A. Explanation: Let a+b=5k, a–b=2k → a=3.5k, b=1.5k. a²–b²=10k², a²+b²=14.5k². Ratio 10 : 14.5 = 20 : 29.

  13. The average of 11 numbers is 50. If the average of the first 6 is 48 and that of the last 6 is 52, the sixth number is A. 50
    B. 52
    C. 48
    D. 56

    AnswerCorrect: Option A. Explanation: Total = 550. Sum first 6 = 288, sum last 6 = 312. Sixth = 288 + 312 – 550 = 50.

  14. A man sells two watches for ₹1,200 each, gaining 20% on one and losing 20% on the other. His overall gain/loss percent is A. 4% loss
    B. 2% loss
    C. 2% gain
    D. No gain no loss

    AnswerCorrect: Option A. Explanation: CP1 = 1000, CP2 = 1500. Total CP = 2500, SP = 2400. Loss = 100/2500 = 4%.

  15. If sec θ + tan θ = 3, then sin θ equals A. 4/5
    B. 3/5
    C. 5/13
    D. 12/13

    AnswerCorrect: Option A. Explanation: sec θ + tan θ = 3 → sec θ – tan θ = 1/3. Solving, tan θ = 4/3, sin θ = 4/5.

  16. Find the missing number: 3, 8, 18, 38, ?, 158 A. 78
    B. 80
    C. 82
    D. 84

    AnswerCorrect: Option A. Explanation: Pattern ×2+2. 38×2+2=78.

  17. If COMPUTER is coded as QOIPVWRL, how is KEYBOARD coded? A. MGAZDQCP
    B. MGBZDQCO
    C. MFZADQBP
    D. MFZADQCO

    AnswerCorrect: Option D. Explanation: +2, –2, +2, –2 … alternately. K→M, E→C, Y→A, B→Z, O→Q, A→Y, R→T, D→B → MFZADQCO.

  18. Statements: All pens are pencils. Some pencils are erasers. Conclusions: I. Some pens are erasers. II. Some erasers are pencils. A. Only I follows
    B. Only II follows
    C. Both I and II follow
    D. Neither follows

    AnswerCorrect: Option B. Explanation: II is direct reversal of second statement; I is not definitely true.

  19. A clock shows 4:30. If the minute hand points North-East, in which direction does the hour hand point? A. South-East
    B. South-West
    C. North-West
    D. North

    AnswerCorrect: Option B. Explanation: At 4:30 the hour hand is halfway between 4 & 5. If 3 is NE, then 4 is SE and 5 is SW; hence halfway is South-West.

  20. Arrange in order: 1. Egg 2. Caterpillar 3. Pupa 4. Butterfly A. 1,2,3,4
    B. 1,3,2,4
    C. 2,1,3,4
    D. 1,2,4,3

    AnswerCorrect: Option A. Explanation: Correct life-cycle sequence is Egg → Caterpillar → Pupa → Butterfly.

  21. The unit of magnetic flux is A. Tesla
    B. Weber
    C. Henry
    D. Gauss

    AnswerCorrect: Option B. Explanation: Magnetic flux → Weber (Wb); Tesla is flux density.

  22. Which of the following is NOT a vector quantity? A. Displacement
    B. Work
    C. Velocity
    D. Force

    AnswerCorrect: Option B. Explanation: Work = scalar (dot product); others are vectors.

  23. The pH of human arterial blood is approximately A. 7.0
    B. 7.2
    C. 7.4
    D. 8.0

    AnswerCorrect: Option C. Explanation: Normal arterial pH is tightly regulated at 7.35–7.45.

  24. The process of conversion of nitrates into free nitrogen gas in soil is called A. Nitrification
    B. Denitrification
    C. Ammonification
    D. Nitrogen fixation

    AnswerCorrect: Option B. Explanation: Denitrifying bacteria convert NO₃⁻ to N₂ gas.

  25. Which allotrope of carbon has a three-dimensional network of tetrahedral carbon atoms? A. Graphite
    B. Fullerene
    C. Diamond
    D. Charcoal

    AnswerCorrect: Option C. Explanation: Diamond has sp³ hybridised carbons forming a 3-D tetrahedral lattice.
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