How to prepare for CSAT

Part 1 of 3

Table of contents

Part 1 - Comprehension

Comprehension refers to the ability to understand something. By comprehending what you are reading, you can extract meaning from the text.

Following simple strategies can help you improve comprehension:

Improve your vocabulary  

Knowing the meaning of a word can improve your ability to comprehend the meaning. To improve vocabulary, whenever you are reading something and come across a new word - just search for its meaning in English-English dictionary. You can refer Word power made easy book to improve your vocabulary.

Do not over-emphasize on examples, illustrations, etc.

You just need to get a hang of the main point (central argument) and not the examples. Examples are used to substantiate the core idea of the passage.

Read the Question First

Always go through the questions first and then the passage. This will prepare you to focus on the things you need to look at in the passage. (This depends on individuals)

Difficult passages

Sometimes we are not able to comprehend a particular passage (eg. a philosophical passage). It is a better idea to skip such questions for 2nd round rather than wasting time reading again and again.

Stop When You Get Confused

And try to summarize what you just read - In order to summarise, you can underline the important keywords while reading. Skim back through the text and compare what you've summarized in your mind.

Rely on information given in passage

Any of the options that is out of scope is almost never the correct answer. The right answer is always based on the information given within the passage. Do not focus on any of the options that distract you from the passage. Don't use your prior knowledge while solving comprehension questions.

Don't get distracted

If you feel like you've lost track while reading, then stop for a moment. Read again from where you last remember. This will save your time in reading mindlessly.

Anticipate arguments

Try to anticipate/predict future arguments in the passage. If you’re right, this reinforces your understanding. If you’re wrong, you make adjustments quickly. (don't do it in the beginning)

Extreme words

Be cautious around extreme words in options - Just like GS, in comprehension too, options with words like 'all, never, only, etc.' tend to be wrong. (Not 100% of times - but whenever you see an extreme word - be cautious)

Engage with the Passage

You cannot understand something which you dislike. Actively involve yourself in the passage and try to simplify the sentences.

And lastly - Practice, practice, practice  - solve a lot of questions/tests.

Part 2: Quantitative Aptitude (Maths)

It includes - Basic Numeracy, General Mental Ability, Data interpretation.

Quantitative Aptitude Tests evaluate the numerical ability and problem-solving skills of a candidates. In UPSC CSAT, around 25-30 questions are asked every year from this section.

Many aspirants make this classic mistake of ignoring the maths and relying on language comprehension / reasoning. However, looking at the nature of comprehension questions where multiple interpretations are possible, it will be unwise to do so.

Essential tips to prepare Maths

Start from the basics

Prepare the basics of mathematics, such as number system, percentages, averages, etc. You should have absolute command over these fundamental mathematical operations.

Identify your strengths and weaknesses

This will help you determine which questions to solve on priority in the exam. Eg. If you are weak in Permutation and Combination, solve the questions from this topic in the end. Don’t waste your time on it.

Focus on conceputal clarity

The fundamental concepts of the topics should be clear. Take guidance from your teacher if you get stuck on a particular topic. Do not leave any topic, even if it seems unimportant, as questions can be asked from anywhere. Revise the concepts as and when possible.

Don’t rely on tricks! Make your core strong. This way, even if UPSC asks tricky questions, you can answer them. E.g. You should be aware of the basic concepts such as types of numbers, LCM, HCF, divisibility tests etc in number system topic.

Read the questions carefully

Read the questions carefully so that you understand them correctly. If you can convert word problem into mathematical expression, half your problem is solved.


Solve previous year's papers and also mock tests of UPSC prelims. It will help you get familiar with the pattern and structure of questions. The key mantra to clear the CSAT cutoff is practice and speed. Notice the silly mistakes committed and try to avoid them. These mistakes can include calculation errors, formula errors etc.

For topic wise practice questions - Click here

Cheat sheet

Quantitative Aptitude includes a lot of formulas, theorems, tables, etc. Write down the important ones that needs to be remebered on paper. Prepare short notes on each topic to be revised multiple times.

Solve questions in round system

Just like GS, solve CSAT questions in a round system. Solve the simplest questions first, mark the questions that looks solvable but are tricky for the second round. Lastly, identify the questions which are to be solved only if you there is some extra time in end.

Skippable questions

There will be tough questions in this section - added to waste your time. We call them homework questions, they are not meant to be solved in the exam hall. If you don't know how to solve the question within 20-30 seconds, leave  it for later.

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Course starts from 14th October.

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Free CSAT Resources

Click the button below to find free resources to practice CSAT mathematics, CSAT logical reasoning and CSAT comprehension by yourself. These posts contain theory as well as practice questions.

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