UPSC CSE Prelims · CSAT (GS Paper II) · Topic-Wise
UPSC CSAT PYQs Topic-Wise (2015–2026): Master One Question Type at a Time
CSAT questions from 2015 to 2026, sorted into narrow topics. Drill one question type in a short session, capture the method on a single card, and revisit it on a schedule until it becomes automatic in the exam hall.
Drill one topic in 25 minutes
Pick the CSAT question type that slows you down most and work through every UPSC question on it.
Ask aspirants what went wrong in their CSAT practice paper and you rarely hear "numeracy" or "reasoning". You hear something narrower: "I always get stuck on seating arrangements" or "I lose time on percentage questions". CSAT problems are specific, and so are their fixes.
Topic-wise CSAT PYQs match that reality. Instead of a whole subject, you get one question type at a time, drawn from real UPSC papers. This guide shows how to spot the question types that keep coming back, how to turn each topic into a compact method card, and how to schedule topic revision so it holds up on exam day.
Table of Contents
What a Topic Means in CSAT
Each broad area of the CSAT syllabus breaks down into a set of recognisable question types. Some typical examples:
| Syllabus area | Typical question types |
|---|---|
| Comprehension | Main idea, inference, assumption, author's view |
| Logical reasoning | Statements and conclusions, syllogisms, blood relations, directions |
| General mental ability | Series, arrangements, puzzles, calendars and clocks |
| Basic numeracy | Number properties, percentages, ratios, averages, time and work, speed and distance |
| Data interpretation | Tables, bar and line charts, and simple data sufficiency |
Each of these has its own method and its own traps. Working on them one at a time is simply more efficient than hoping a mixed paper will fix all of them together.
Zoom in on one question type
Pick a topic that troubles you and see how UPSC has set it.
Question Types That Recur Across the Years
Solve one topic's questions from 2015 onwards in order and you will notice that UPSC returns to the same underlying ideas. The numbers change, the story around the problem changes, but the structure is often familiar.
- The same logic in new clothes. A problem about people finishing a job and one about pipes filling a tank can rest on the same working.
- Familiar passage questions. Comprehension questions keep asking for the most logical inference or the assumption behind the passage, whatever its subject.
- Repeating traps. Options that are true in general but not supported by the passage, or answers that ignore a condition hidden in the question, turn up again and again.
Recognising the structure in the first few seconds is a large part of CSAT speed. Topic-wise practice is how you train that recognition.
Spot the pattern yourself
Solve one topic in year order and note the structures that repeat.
Building a Method Card for Each Topic
A method card is a small note, on paper or a phone, that holds everything you need to handle one topic. Make one after your first drill of each topic.
| Part of the card | What to write |
|---|---|
| Recognise it | How to tell, in seconds, that a question belongs to this topic |
| Core method | The steps you follow, in two or three lines |
| Formula or rule | Only what you genuinely need to remember |
| Trap | The mistake that caught you, in your own words |
| One hard example | A question you got wrong, with the year, to re-solve later |
Keep each card to one side of a small sheet. In the final month, a stack of method cards lets you revise the whole of CSAT in an evening.
Write your first card
Drill one topic and fill in its method card straight after.
A 25-Minute Topic Drill
Short drills fit easily around GS Paper I study and keep CSAT practice regular.
| Minutes | Activity |
|---|---|
| 0–3 | Read the topic's method card, if you have one |
| 3–18 | Solve the topic's questions against your own clock |
| 18–25 | Rework mistakes from scratch and update the card |
Keep the Drill Honest
Do not check answers after every question. Solve the set first, then check. Checking as you go hides how often you would have been wrong under exam conditions.
Rework, Do Not Just Read
When you get a numeracy or reasoning question wrong, close the answer and solve it again from the first line on fresh paper. For a comprehension question, return to the passage and find the exact sentence that supports the right option and the one that rules out yours. Reading a correct method feels like learning, but only reproducing it yourself shows that you can use it in the exam hall.
Have 25 minutes?
That is one topic drilled and one method card updated.
Spacing Your CSAT Topic Revision
Methods fade quickly when you do not use them, especially in numeracy. Revisit each topic at growing gaps.
- Two or three days later: re-solve the questions you got wrong.
- Two weeks later: read the method card and solve a fresh set from the topic.
- Final month: a quick pass through every card, with one hard example re-solved per topic.
A simple list of topics with the date each is next due is enough to keep the schedule. When a topic feels easy on two revisits in a row, lengthen its gap.
Which topic is due?
Revisit a CSAT topic you drilled last week.
How to Choose Your Next CSAT Topic
- Topics that recur often: they give the most return for your time.
- Topics from your error log: where your practice papers keep losing marks.
- Topics close to your strengths: a topic next to one you already handle well is quicker to add.
Common Topic-Wise Mistakes
- Drilling favourite topics because they feel productive.
- Moving on after one drill without ever revisiting the topic.
- Collecting shortcuts instead of understanding the method behind them.
Decide and start
Use the three rules to choose, then open that topic.
Your Exam-Day Skip List
CSAT is qualifying, so you do not need to master every topic. What you do need is to know, before the exam, which topics you will attempt and which you will leave. Topic-wise practice gives you that clarity.
| List | Which topics | Exam-day action |
|---|---|---|
| Attempt first | Topics you solve quickly and accurately | Answer these in your first round |
| Attempt if time allows | Topics you can solve but slowly | Come back to these in the second round |
| Skip | Topics you have tried and still find unreliable | Leave them without guilt |
The skip list is safe only if your attempt-first topics are strong enough to take you comfortably above 66 marks. Review the lists every few weeks; as drills improve a topic, move it up.
Sort your topics
Drill a few topics and place each on the right list.
Frequently Asked Questions
See how a drill feels
One short topic session will answer most of your questions.
Start Your First CSAT Topic Drill
CSAT becomes manageable once it stops being one large, vague worry and becomes a list of specific question types, each with a method you trust. Topic-wise PYQs from 2015 to 2026 give you the real UPSC versions of each type. Drill them in short sessions, keep a method card for each, revise on a schedule, and walk into the exam knowing exactly which questions you will take on.
Your next 25 minutes
Pick the CSAT question type that slows you down most and drill it now.