RRB NTPC Previous Year Questions Set 1

General Awareness (8)

1. Which river is known as the “Sorrow of Bengal”?

A. Ganga
B. Damodar
C. Brahmaputra
D. Hooghly

Show AnswerCorrect: Option B. Damodar River causes frequent floods in Bengal, hence the nickname.

2. The “Dandi March” was launched to protest against:

A. Rowlatt Act
B. Jallianwala Bagh massacre
C. Salt tax
D. Partition of Bengal

Show AnswerCorrect: Option C. Gandhi’s 1930 march protested the British monopoly on salt.

3. Who is the present Secretary-General of the United Nations (as of 2024)?

A. Ban Ki-moon
B. António Guterres
C. Kofi Annan
D. Antonio Costa

Show AnswerCorrect: Option B. António Guterres began his second five-year term on 1 Jan 2022.

4. India’s first indigenously built aircraft carrier is:

A. INS Vikrant
B. INS Viraat
C. INS Vikramaditya
D. INS Vishal

Show AnswerCorrect: Option A. INS Vikrant (IAC-1) was commissioned in Sept 2022.

5. The 2026 FIFA World Cup will be hosted by:

A. Qatar
B. USA, Mexico & Canada
C. Morocco
D. Argentina

Show AnswerCorrect: Option B. Joint bid of USA–Mexico–Canada won the 2026 hosting rights.

6. Which amendment lowered the voting age from 21 to 18 years in India?

A. 42nd
B. 44th
C. 61st
D. 73rd

Show AnswerCorrect: Option C. 61st Constitutional Amendment, 1988.

7. The term “Bitcoin” was first introduced in a white-paper titled:

A. Digital Cash
B. Peer-to-Peer Electronic Cash System
C. Crypto Currency
D. Blockchain Money

Show AnswerCorrect: Option B. 2008 white-paper by Satoshi Nakamoto.

8. Which state has the largest coastline in India?

A. Tamil Nadu
B. Gujarat
C. Andhra Pradesh
D. Maharashtra

Show AnswerCorrect: Option B. Gujarat (~1,600 km).

Mathematics (7)

9. Find the LCM of 36, 48 and 72.

A. 144
B. 216
C. 288
D. 432

Show AnswerCorrect: Option A. 2⁴ × 3² = 144.

10. A train 150 m long passes a pole in 9 s. Speed of the train is:

A. 50 km/h
B. 54 km/h
C. 60 km/h
D. 72 km/h

Show AnswerCorrect: Option C. 150/9 = 16.67 m/s → 60 km/h.

11. If 3^(x+2) = 81, then x equals:

A. 1
B. 2
C. 3
D. 4

Show AnswerCorrect: Option B. 3^(x+2)=3^4 ⇒ x+2=4 ⇒ x=2.

12. A shopkeeper marks goods 40 % above cost price and gives 20 % discount. Gain % is:

A. 10 %
B. 12 %
C. 15 %
D. 20 %

Show AnswerCorrect: Option B. 1.4 × 0.8 = 1.12 ⇒ 12 % gain.

13. The average of 11 numbers is 50. If one number is removed, average becomes 49. The removed number is:

A. 60
B. 59
C. 58
D. 55

Show AnswerCorrect: Option A. Total = 550; new total = 490 ⇒ removed = 60.

14. Simple interest on ₹ 800 for 3 years at 5 % p.a. is:

A. ₹ 100
B. ₹ 120
C. ₹ 140
D. ₹ 160

Show AnswerCorrect: Option B. SI = 800×3×5/100 = 120.

15. If x : y = 3 : 4 and y : z = 8 : 9, then x : z =

A. 2 : 3
B. 3 : 4
C. 1 : 2
D. 4 : 5

Show AnswerCorrect: Option A. x : z = (3/4)×(8/9) = 24/36 = 2 : 3.

Reasoning (5)

16. Find the odd one out:

A. Mercury
B. Aluminium
C. Iron
D. Copper

Show AnswerCorrect: Option A. Mercury is liquid at room temperature.

17. Complete the series: 3, 8, 18, 38, ?

A. 58
B. 68
C. 78
D. 88

Show AnswerCorrect: Option C. Pattern ×2+2: 3×2+2=8, 8×2+2=18, 18×2+2=38, 38×2+2=78.

18. If SYSTEM is coded as TZTUFN, then COMPUTER is coded as:

A. DPNQVUFS
B. DPNQVUFT
C. CPNQVUFS
D. DPNQUFST

Show AnswerCorrect: Option A. Each letter +1.

19. A man walks 8 m east, then 6 m north. How far is he from start?

A. 10 m
B. 12 m
C. 14 m
D. 16 m

Show AnswerCorrect: Option A. √(8²+6²)=10 m.

20. Select the related word: Book : Publisher :: Film : ?

A. Director
B. Producer
C. Actor
D. Distributor

Show AnswerCorrect: Option B. Producer finances/organises film like publisher does for book.

General Science (5)

21. The gas used for ripening of green fruits is:

A. Methane
B. Ethylene
C. Acetylene
D. Carbon monoxide

Show AnswerCorrect: Option B. Ethylene is a natural plant hormone.

22. The SI unit of electric charge is:

A. Ampere
B. Coulomb
C. Volt
D. Ohm

Show AnswerCorrect: Option B. Coulomb (C).

23. Which part of the human ear converts sound vibrations into electrical signals?

A. Pinna
B. Cochlea
C. Ossicles
D. Eustachian tube

Show AnswerCorrect: Option B. Cochlea contains hair cells that transduce vibrations.

24. The pH value of human blood is approximately:

A. 6.8
B. 7.0
C. 7.4
D. 8.0

Show AnswerCorrect: Option C. Slightly alkaline, 7.35–7.45.

25. Which vitamin is fat-soluble and acts as an antioxidant?

A. Vitamin B1
B. Vitamin C
C. Vitamin E
D. Vitamin K

Show AnswerCorrect: Option C. Vitamin E protects cell membranes from oxidative damage.