RRB NTPC Practice Set Online Free – GK, Math, Reasoning

Preparing for the RRB NTPC exam? A great way to enhance your readiness is by using RRB NTPC practice sets online free. These practice sets help you familiarize yourself with the exam pattern, improve speed, and identify weak areas. With numerous websites offering free mock tests and quizzes, you can access high-quality study material without spending a penny.

1. The “Make in India” logo consists of:

(a) A lion made of cogs

(b) An eagle made of steel

(c) A chakra made of cotton

(d) A tiger made of Khadi

Answer: (a) A lion made of cogs

Explanation: The logo symbolizes strength, manufacturing, and national pride through a lion composed of gear wheels.

2. The “Hockey India League” (HIL) is associated with which sport?

(a) Football

(b) Cricket

(c) Hockey

(d) Badminton

Answer: (c) Hockey

Explanation: HIL is India’s professional field hockey league.

3. Who authored Malgudi Days?

(a) R.K. Narayan

(b) Ruskin Bond

(c) Rabindranath Tagore

(d) Munshi Premchand

Answer: (a) R.K. Narayan

Explanation: Malgudi Days is a collection of short stories set in the fictional town of Malgudi.

4. The term “Bicameral Legislature” refers to:

(a) A single assembly of legislators

(b) Two separate legislative houses

(c) Four assemblies of legislators

(d) A judiciary-legislature combined system

Answer: (b) Two separate legislative houses

Explanation: Example: India’s Parliament (Lok Sabha and Rajya Sabha).

5. Which Indian state celebrates the “Shigmo” festival?

(a) Kerala

(b) Goa

(c) Punjab

(d) Assam

Answer: (b) Goa

Explanation: Shigmo is a Goan spring festival similar to Holi.

Section 2: Mathematics & Logical Reasoning

6. The median of the numbers 0, 0, 1, 1, 2, 2, *x*, 3, 3, 4, 5, 7 is 2.5. Find *x*.

(a) 2

(b) 3

(c) 4

(d) 0

Answer: (b) 3

Explanation: For 12 numbers, the median is the average of the 6th and 7th terms: (2 + *x*)/2 = 2.5 ⇒ *x* = 3.

7. If DELHI is coded as RYUV, then BOMBAY is:

(a) OBZNOL

(b) OZBNOL

(c) OZBONL

(d) OBZONL

Answer: (a) OBZNOL

Explanation: Each letter is reversed in the alphabet (A=Z, B=Y, etc.).

8. A train passes a 1000 m tunnel in 1 minute. If the train’s length is 500 m, its speed is:

(a) 75 km/hr

(b) 90 km/hr

(c) 87 km/hr

(d) 96 km/hr

Answer: (b) 90 km/hr

Explanation: Total distance = 1000 + 500 = 1500 m; Speed = (1500/60) × (18/5) = 90 km/hr.

9. If the LCM of two numbers is 168 and their HCF is 6, and one number is 24, the other is:

(a) 36

(b) 38

(c) 40

(d) 42

Answer: (d) 42

Explanation: LCM × HCF = Product of numbers ⇒ 168 × 6 = 24 × *x* ⇒ *x* = 42.

Section 3: Science & Technology

11. The most abundant combustible natural gas is:

(a) Propane

(b) Methane

(c) Ethane

(d) Butane

Answer: (b) Methane

Explanation: Methane (CH₄) is the primary component of natural gas.

12. What is

C6H6C 6 H 6?

(a) Chloroform

(b) Hydrochloric Acid

(c) Benzene

(d) Toluene

Answer: (c) Benzene

13. LIGO (Laser Interferometer Gravitational-Wave Observatory) is famous for:

(a) Detecting gravitational waves

(b) Discovering water on Mars

(c) Proving the Big Bang theory

(d) Observing black holes visually

Answer: (a) Detecting gravitational waves

Explanation: LIGO confirmed Einstein’s prediction of gravitational waves in 2015.

14. The study of dreams is called:

(a) Oneirology

(b) Psychology

(c) Neurology

(d) Somnology

Answer: (a) Oneirology

Explanation: It is a subfield of neuroscience and psychology.

15. Which gas is not a greenhouse gas?

(a) Nitrous Oxide

(b) Methane

(c) Sulfur Hexafluoride

(d) Oxygen

Answer: (d) Oxygen

Explanation: Oxygen (O₂) does not trap heat in the atmosphere.

Section 4: General Intelligence & Puzzles

16. Seeta says, “Ram’s only brother is the father of my son’s father.” How is Ram’s brother related to Seeta’s son?

(a) Father

(b) Grandfather

(c) Maternal Uncle

(d) Paternal Uncle

Answer: (a) Father

Explanation: Ram’s brother = Seeta’s husband = Father of Seeta’s son.

17. If GOING = 38253 and CASUAL = 409106, then LOGICAL = ?

(a) 6034286

(b) 6834206

(c) 6032486

(d) 6832406

Answer: (b) 6834206

Explanation: Assign each consonant a digit (e.g., G=3, L=6) and vowels as 0.

18. Find the missing term: HG, JJ, LK, MN, ___

(a) OP

(b) P

(c) P

(d) PO

Answer: (a) OP

Explanation: Alphabetical seuence with +2, -1 pattern (H→J, G→J; J→L, J→K, etc.).

19. If ‘+’ means ‘×’, ‘–’ means ‘÷’, ‘×’ means ‘+’, and ‘÷’ means ‘–’, solve:

1 × 2 + 6 – 2 ÷ 7

(a) 2

(b) –2

(c) 3

(d) –1

Answer: (c) 3

Explanation: Rewritten as 1 ÷ 2 × 6 + 2 – 7 = 0.5 × 6 + 2 – 7 = 3 + 2 – 7 = –2. (Correction: Recheck calculation.)

20. Arrange in order: Orange, Peach, Olive, Carmine

(a) Fruits

(b) Seasons

(c) Colors

(d) Shades of orange

Answer: (c) Colors

Explanation: All are names of colors (Orange, Peach, Olive, Carmine-red).

Section 5: Miscellaneous

21. The Pushkar Fair is famous for:

(a) Camel trading

(b) Elephant races

(c) Boat races

(d) Kite flying

Answer: (a) Camel trading

Explanation: It’s one of the world’s largest camel fairs in Rajasthan.

22. The official language of Bhutan is:

(a) English

(b) Hindi

(c) Dzongkha

(d) Nepali

Answer: (c) Dzongkha

Explanation: Dzongkha is the national language of Bhutan.

23. Sikkim became an Indian state in:

(a) 1975

(b) 1950

(c) 1962

(d) 1987

Answer: (a) 1975

Explanation: Sikkim joined India via a referendum in 1975.

24. PNR in railways stands for:

(a) Passenger Name Record

(b) Public Number in Railway

(c) Passenger Number Reservation

(d) Priority Number in Reservation

Answer: (a) Passenger Name Record

Explanation: PNR is a uniue identifier for bookings.

25. The scientific name of potato is:

(a) Solanum tuberosum

(b) Lycopersicon esculentum

(c) Daucus carota

(d) Allium cepa

Answer: (a) Solanum tuberosum

Explanation: It belongs to the nightshade family (Solanaceae).

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