- No data uploaded
- Instant results
RRB Group D Percentages Questions
Practise percentages (quantitative aptitude) for the RRB Level 1 (Group D) Examination: 10 multiple-choice questions, each with the correct answer and a worked explanation. Click an option to check it, or “New questions” for another set.
Percentages practice
-
Q1.The price of an item changes from ₹575 to ₹661.25. What is the percentage change?
Show answer & explanation
Answer: C — 15% increase
Change = 86.25 on a base of 575: 86.25/575 × 100 = 15% increase. Always divide by the ORIGINAL value.
-
Q2.What is 35% of 940?
Show answer & explanation
Answer: B — 329
35% of 940 = 35/100 × 940 = 329.
-
Q3.What is 18% of 240?
Show answer & explanation
Answer: C — 43.2
18% of 240 = 18/100 × 240 = 43.2.
-
Q4.Two successive discounts of 15% and 12% are equivalent to a single discount of:
Show answer & explanation
Answer: B — 25.2%
Net discount = a + b − ab/100 = 15 + 12 − 15×12/100 = 25.2%.
-
Q5.What is 25% of 240?
Show answer & explanation
Answer: C — 60
25% of 240 = 25/100 × 240 = 60.
-
Q6.The price of an item changes from ₹700 to ₹840. What is the percentage change?
Show answer & explanation
Answer: D — 20% increase
Change = 140 on a base of 700: 140/700 × 100 = 20% increase. Always divide by the ORIGINAL value.
-
Q7.Two successive discounts of 15% and 10% are equivalent to a single discount of:
Show answer & explanation
Answer: A — 23.5%
Net discount = a + b − ab/100 = 15 + 10 − 15×10/100 = 23.5%.
-
Q8.Two successive discounts of 30% and 12% are equivalent to a single discount of:
Show answer & explanation
Answer: C — 38.4%
Net discount = a + b − ab/100 = 30 + 12 − 30×12/100 = 38.4%.
-
Q9.What is 25% of 360?
Show answer & explanation
Answer: D — 90
25% of 360 = 25/100 × 360 = 90.
-
Q10.Two successive discounts of 25% and 10% are equivalent to a single discount of:
Show answer & explanation
Answer: C — 32.5%
Net discount = a + b − ab/100 = 25 + 10 − 25×10/100 = 32.5%.
How to approach percentages questions
Convert percentages to fractions you know by heart (12.5% = 1/8, 37.5% = 3/8, 16.67% = 1/6) and always divide a change by the ORIGINAL value. Two successive changes of a% and b% combine to a + b + ab/100.
About RRB Group D
RRB Level 1 (Group D) Examination — conducted by Railway Recruitment Boards (RRB). Recruits track maintainers, helpers and assistants; general science carries significant weight.
Original practice questions written for this site in the style and difficulty of each exam’s syllabus. They are not past papers and the site is not affiliated with any exam body. Exam patterns, marking schemes and syllabi change — always check the latest official notification.
RRB Group D practice topics
| Topic | Section | Question source |
|---|---|---|
| Number System & Simplification | Quantitative aptitude | Calculated (new numbers every set) |
| Percentages | Quantitative aptitude | Calculated (new numbers every set) |
| Logical Reasoning | Reasoning | Calculated (new numbers every set) |
| Physics | Science | Calculated + question bank |
| Chemistry | Science | Calculated + question bank |
| Biology | Science | Question bank |
| Indian Polity, History & Geography | General awareness | Question bank |