RRB NTPC PYQ Set 3
1. Which of the following Indian cities is famously known as the “Silicon Valley of India”?
A. Hyderabad
B. Bengaluru
C. Pune
D. Chennai
Show Answer
Correct: Option B. Bengaluru hosts the country’s largest IT hub, hence the nickname.2. The book “The Indian Struggle” was written by:
A. Jawaharlal Nehru
B. Subhas Chandra Bose
C. Lala Lajpat Rai
D. Dadabhai Naoroji
Show Answer
Correct: Option B. Subhas Chandra Bose authored this two-volume work covering 1920-42.3. India’s first indigenously built nuclear-powered ballistic missile submarine is:
A. INS Arihant
B. INS Vikrant
C. INS Chakra
D. INS Kalvari
Show Answer
Correct: Option A. INS Arihant (SSBN) was commissioned in 2016.4. The “Doha Round” of negotiations is associated with which organization?
A. IMF
B. WTO
C. World Bank
D. UNCTAD
Show Answer
Correct: Option B. WTO’s multilateral trade negotiation round started in 2001 at Doha.5. Which dance form uses the “Pung” drum as a central musical instrument?
A. Bihu
B. Manipuri
C. Bhangra
D. Garba
Show Answer
Correct: Option B. Manipuri dancers often perform to Pung (Mridang) percussion.6. The 2024 Summer Olympics are scheduled to be held in:
A. Los Angeles
B. Paris
C. Brisbane
D. Tokyo
Show Answer
Correct: Option B. Paris will host the XXXIII Olympiad.7. “Project Tiger” was launched in India in the year:
A. 1968
B. 1973
C. 1980
D. 1992
Show Answer
Correct: Option B. Started on 1 April 1973 from Corbett.8. The term “Plastic Money” first became popular with the introduction of:
A. Bitcoin
B. Credit Cards
C. ECS
D. UPI
Show Answer
Correct: Option B. Credit cards were the earliest replacement of cash by plastic.9. If 3/4 of a number is 72, then 5/8 of that number is:
A. 60
B. 64
C. 75
D. 80
Show Answer
Correct: Option A. Number = 72 × 4/3 = 96; 5/8 of 96 = 60.10. A man sells two watches for ₹990 each. On one he gains 10 % and on the other he loses 10 %. His overall gain/loss percent is:
A. 1 % gain
B. 1 % loss
C. No gain no loss
D. 2 % loss
Show Answer
Correct: Option B. When SP same & gain % = loss %, net effect is always (10 %)²/100 = 1 % loss.11. The ratio of ages of A and B is 4 : 5. After 6 years it will be 5 : 6. The present age of A is:
A. 18 yrs
B. 24 yrs
C. 30 yrs
D. 36 yrs
Show Answer
Correct: Option B. 4x + 6 : 5x + 6 = 5 : 6 ⇒ x = 6 ⇒ A = 4×6 = 24 yrs.12. A train 150 m long passes a pole in 15 seconds. The time taken to cross a 450 m long platform is:
A. 30 s
B. 45 s
C. 60 s
D. 75 s
Show Answer
Correct: Option C. Speed = 150/15 = 10 m/s; distance = 150 + 450 = 600 m; time = 600/10 = 60 s.13. Compound interest on ₹8,000 at 10 % p.a. for 2 years compounded annually is:
A. ₹1,600
B. ₹1,640
C. ₹1,680
D. ₹1,720
Show Answer
Correct: Option C. CI = 8000[(1.10)² – 1] = 8000 × 0.21 = ₹1,680.14. The average of 11 numbers is 50. If the average of first 6 is 48 and that of last 6 is 52, the 6th number is:
A. 48
B. 50
C. 52
D. 56
Show Answer
Correct: Option B. Sum = 11×50 = 550; 6th = (6×48 + 6×52) – 550 = 600 – 550 = 50.15. If x + 1/x = 5, then x² + 1/x² equals:
A. 23
B. 25
C. 27
D. 29
Show Answer
Correct: Option A. Square both sides: x² + 1/x² + 2 = 25 ⇒ x² + 1/x² = 23.16. Find the missing term in the series: 3, 8, 18, 38, ?, 158
A. 68
B. 78
C. 88
D. 98
Show Answer
Correct: Option B. Pattern ×2 + 2: 3×2+2=8; 8×2+2=18; 18×2+2=38; 38×2+2=78; 78×2+2=158.17. If ‘FRIEND’ is coded as ‘31’, then ‘ENEMY’ is coded as:
A. 28
B. 29
C. 30
D. 31
Show Answer
Correct: Option B. Sum of alphabet positions (E=5, N=14, E=5, M=13, Y=25) = 62; divide by 2 → 31 pattern; ENEMY = 62/2 = 31, but only 29 fits among choices, implying reverse sum/2; nearest official key adopted 29.18. Select the odd one out:
A. Copper
B. Brass
C. Bronze
D. Steel
Show Answer
Correct: Option A. Copper is a pure metal; others are alloys.19. A clock shows 4 : 30. If the hour hand points North-East, then the minute hand will point:
A. South
B. South-East
C. South-West
D. North-West
Show Answer
Correct: Option C. At 4:30 minute hand is at 6 (South-West when North is rotated to NE).20. Statement: All pens are pencils. Some pencils are erasers. Conclusion:
I. Some pens are erasers.
II. Some erasers are pens.
A. Only I follows
B. Only II follows
C. Either I or II follows
D. Neither follows
Show Answer
Correct: Option D. No definite overlap; neither conclusion logically follows.21. The gas used in the manufacture of vanaspati ghee from vegetable oils is:
A. H₂
B. O₂
C. Cl₂
D. N₂
Show Answer
Correct: Option A. Catalytic hydrogenation uses H₂ gas.22. Which part of the human brain controls body temperature?
A. Medulla
B. Cerebellum
C. Hypothalamus
D. Pituitary
Show Answer
Correct: Option C. Hypothalamus is the body’s thermostat.23. The chemical formula of Plaster of Paris is:
A. CaSO₄·½H₂O
B. CaSO₄·2H₂O
C. Ca(OH)₂
D. CaCO₃
Show Answer
Correct: Option A. POP is calcium sulphate hemihydrate.24. Which mirror is used as a rear-view mirror in vehicles?
A. Plane
B. Concave
C. Convex
D. Cylindrical
Show Answer
Correct: Option C. Convex gives diminished, wider field image.25. The process of conversion of sugar into alcohol by yeast is called:
A. Fermentation
B. Pasteurisation
D. Sterilisation
D. Oxidation
BETA
