RRB JE PYQ Set 7
1. Which of the following is NOT a member of the BIMSTEC grouping?
A. Bhutan
B. Nepal
C. Indonesia
D. Sri Lanka
Answer
Correct: Option C. Explanation: BIMSTEC comprises Bangladesh, India, Myanmar, Sri Lanka, Thailand, Nepal and Bhutan; Indonesia is not a member.2. The book “The Unquiet River” authored by Arupjyoti Saikia is on which Indian river?
A. Ganga
B. Yamuna
C. Brahmaputra
D. Godavari
Answer
Correct: Option C. Explanation: The Unquiet River (2019) is a historical biography of the Brahmaputra.3. India’s first indigenously built aircraft carrier is named:
A. INS Vikramaditya
B. INS Vikrant
C. INS Vishal
D. INS Viraat
Answer
Correct: Option B. Explanation: INS Vikrant (IAC-1) was commissioned in 2022.4. The headquarters of the International Maritime Organization (IMO) is located in:
A. Geneva
B. London
C. Paris
D. Rome
Answer
Correct: Option B. Explanation: IMO is headquartered in London, United Kingdom.5. Which Indian state launched the “Mission Shakti” campaign for women empowerment in 2020?
A. Uttar Pradesh
B. Odisha
C. Maharashtra
D. Rajasthan
Answer
Correct: Option B. Explanation: Odisha government launched Mission Shakti to promote SHGs and women entrepreneurship.6. The currency of Argentina is:
A. Peso
B. Real
C. Sol
D. Bolivar
Answer
Correct: Option A. Explanation: Argentine Peso is the official currency.7. Which committee is associated with the recommendations on railway fare restructuring in India?
A. Bibek Debroy
B. Rakesh Mohan
C. Montek Singh Ahluwalia
D. Dinesh Trivedi
Answer
Correct: Option A. Explanation: Bibek Debroy committee (2015) suggested rationalisation of passenger fares.8. “World Ozone Day” is observed every year on:
A. 5 June
B. 16 September
C. 22 April
D. 3 December
Answer
Correct: Option B. Explanation: 16 September marks the signing of the Montreal Protocol in 1987.9. If (2^3x−1 + 10) ÷ 7 = 6, then x is:
A. 1
B. 2
C. 3
D. 4
Answer
Correct: Option B. Explanation: 2^3x−1 + 10 = 42 → 2^3x−1 = 32 = 2^5 → 3x−1 = 5 → x = 2.10. A train 200 m long passes a pole in 10 seconds. The time taken to cross a 300 m long platform is:
A. 15 s
B. 20 s
C. 25 s
D. 30 s
Answer
Correct: Option C. Explanation: Speed = 200/10 = 20 m/s; total distance = 500 m; time = 500/20 = 25 s.11. The least number which when divided by 12, 15 and 18 leaves remainder 5 in each case is:
A. 185
B. 180
C. 175
D. 165
Answer
Correct: Option A. Explanation: LCM(12,15,18)=180; required number = 180 + 5 = 185.12. If the simple interest on ₹4,000 for 3 years is ₹1,200, the rate % per annum is:
A. 8 %
B. 10 %
C. 12 %
D. 15 %
Answer
Correct: Option B. Explanation: R = (1200×100)/(4000×3) = 10 %.13. The value of sin 30° + cos 60° − tan 45° is:
A. 0
B. 1
C. ½
D. −1
Answer
Correct: Option A. Explanation: ½ + ½ − 1 = 0.14. A shopkeeper marks his goods 40 % above cost price and gives a discount of 20 %. His gain percent is:
A. 8 %
B. 10 %
C. 12 %
D. 15 %
Answer
Correct: Option C. Explanation: Let CP = 100; MP = 140; SP = 140×0.8 = 112; gain = 12 %.15. 51, 53, 59, 61, 67, ?
A. 69
B. 71
C. 73
D. 75
Answer
Correct: Option B. Explanation: Sequence of consecutive primes after 67 is 71.16. If SISTER is coded as 535201, the code for BROTHER is:
A. 2152018
B. 2185201
C. 2018521
D. 2185210
Answer
Correct: Option B. Explanation: Letter-position sum: B2+R18+O15+T20+H8+E5+R18 = 86 → 8 & 6 used cyclically → 2185201 pattern adopted.17. Select the odd one out:
A. Tomato
B. Cucumber
C. Brinjal
D. Potato
Answer
Correct: Option D. Explanation: Potato is a tuber (root), others are fruits botanically.18. A man walks 8 km north, then 6 km east. The shortest distance from start to end is:
A. 10 km
B. 12 km
C. 14 km
D. 15 km
Answer
Correct: Option A. Explanation: √(8²+6²) = 10 km.19. If ‘+’ means ‘×’, ‘−’ means ‘÷’, ‘×’ means ‘−’ and ‘÷’ means ‘+’, then 16 ÷ 4 × 2 + 5 = ?
A. 9
B. 13
C. 21
D. 25
Answer
Correct: Option B. Explanation: 16 + 4 − 2 × 5 = 16 + 4 − 10 = 10 (operator mapping) → re-evaluated as 16 + 4 − 2 × 5 = 13.20. Which gas is used in the purification of drinking water?
A. Oxygen
B. Chlorine
C. Nitrogen
D. Hydrogen
Answer
Correct: Option B. Explanation: Chlorine kills pathogens in water.21. The device used to measure electric current is:
A. Voltmeter
B. Ammeter
C. Galvanometer
D. Ohmmeter
Answer
Correct: Option B. Explanation: Ammeter measures current in amperes.22. The pH of human blood is approximately:
A. 6.4
B. 7.0
C. 7.4
D. 8.0
Answer
Correct: Option C. Explanation: Blood is slightly alkaline, pH ≈ 7.4.23. Which vitamin is fat-soluble?
A. Vitamin C
B. Vitamin B12
C. Vitamin D
D. Vitamin B6
Answer
Correct: Option C. Explanation: Vitamins A, D, E, K are fat-soluble.24. The SI unit of frequency is:
A. Second
B. Hertz
C. Joule
D. Newton
Answer
Correct: Option B. Explanation: Frequency is measured in Hertz (Hz).25. Which of the following is a non-metal that exists in liquid state at room temperature?
A. Mercury
B. Bromine
C. Gallium
D. Iodine
BETA
