RRB Group D Practice Set 15

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RRB Group D Practice Set 15 MCQ Series for CBT Exam

RRB Group D Practice Set 15 MCQ Series: Welcome to the RRB Group D Practice Set 15—an exclusive compilation of multiple-choice questions (MCQs) designed to help you prepare for the Computer-Based Test (CBT) phase of the RRB Group D exam.

This practice set is tailored to provide you with a comprehensive mix of questions covering key topics such as:

Practice consistently with this set to build confidence, improve speed, and ensure you’re well-prepared for the exam day.

RRB Group D Practice Set 15

1. If the sum of two numbers is 120 and their ratio is 5:3, what is the smaller number?

a) 40
b) 45
c) 50
d) 60

2. A man spends 30% of his income on rent, 20% on food, and saves the rest. If his income is ₹60,000, how much does he save?

a) ₹18,000
b) ₹24,000
c) ₹36,000
d) ₹42,000

3. Simplify: (4/3) × (9/8) × (16/27) ÷ (2/9).

a) 1/2
b) 2/3
c) 3/4
d) 1

4. A can complete a task in 15 days, and B can complete the same task in 20 days. If they work together, in how many days will they finish the task?

a) 8
b) 10
c) 12
d) 15

5. A sum of money becomes ₹18,000 in 2 years at 10% per annum simple interest. What is the principal amount?

a) ₹15,000
b) ₹16,000
c) ₹17,000
d) ₹18,000

6. Which country hosted the 2023 G20 summit?

a) India
b) Brazil
c) Indonesia
d) Saudi Arabia

7. Who is known as the “Father of the Indian Constitution”?

a) Mahatma Gandhi
b) B.R. Ambedkar
c) Jawaharlal Nehru
d) Sardar Patel

8. The recently discovered element “Tennessine” belongs to which group in the periodic table?

a) Group 15
b) Group 16
c) Group 17
d) Group 18

9. Name the first Indian satellite launched into space.

a) INSAT-1A
b) Bhaskara-I
c) Aryabhata
d) Rohini

10. Which Indian city was included in the UNESCO World Heritage list in 2023?

a) Ahmedabad
b) Jaipur
c) Chandigarh
d) Varanasi

RRB Group D Practice Set 15

11. In a certain code language, “RAILWAY” is written as “YZAILWR”. How is “STATION” written in that language?

a) OISTTAN
b) NOITTAS
c) TANIOST
d) STATION

12. A is the mother of B. C is the father of A. D is the son of C. How is D related to B?

a) Uncle
b) Grandfather
c) Brother
d) Cousin

13. Complete the series: 12, 17, 24, 33, 44, ?

a) 57
b) 56
c) 54
d) 53

14. A statement is followed by two assumptions. Read the statement and decide which assumption(s) is/are implicit:
Statement: “Electric cars are the future of urban transportation.”
Assumptions:
(I) Pollution levels in cities need to be reduced.
(II) Electric cars are expensive.

a) Only I
b) Only II
c) Both I and II
d) Neither I nor II

RRB Group D Practice Set 15

15. A clock shows 4:30 PM. If the minute hand is pointing towards North, in which direction is the hour hand pointing?

a) North-East
b) East
c) South-East
d) South

16. What is the chemical formula for washing soda?

a) NaHCO₃
b) Na₂CO₃
c) Na₂CO₃·10H₂O
d) NaOH

RRB Group D Practice Set 15

17. Which part of the human brain is responsible for controlling balance and coordination?

a) Cerebrum
b) Cerebellum
c) Medulla
d) Hypothalamus

18. What is the unit of measurement for electric current?

a) Volt
b) Watt
c) Ampere
d) Ohm

19. Which type of chemical reaction is represented by the equation: 2H₂ + O₂ → 2H₂O?

a) Combustion
b) Synthesis
c) Decomposition
d) Displacement

20. Which enzyme is responsible for the digestion of proteins in the stomach?

a) Amylase
b) Lipase
c) Pepsin
d) Trypsin

Answers to the RRB Group D Practice Set 15 MCQs

Here are the answers of RRB Group D Practice Set 15:

  1. b) 45
  2. c) ₹36,000
  3. a) 1/2
  4. b) 10
  5. b) ₹16,000
  6. a) India
  7. b) B.R. Ambedkar
  8. c) Group 17
  9. c) Aryabhata
  10. a) Ahmedabad
  11. b) NOITTAS
  12. a) Uncle
  13. a) 57
  14. a) Only I
  15. c) South-East
  16. c) Na₂CO₃·10H₂O
  17. b) Cerebellum
  18. c) Ampere
  19. b) Synthesis
  20. c) Pepsin

RRB Group D Practice Set 15

Category- Competitive Exam MCQs

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