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UPSC CSAT Practice Questions Prelims 2026

Apr, 2026

6 min read

With the UPSC Civil Services Examination Prelims scheduled for 24th May 2026, this is the phase where your preparation needs to become more practical and test-focused. As we all know, the CSAT paper has been getting tougher and more unpredictable each year, making consistent practice the only reliable key to success.

To help you stay ahead, here are 20 CSAT practice questions based on the UPSC pattern and difficulty level. Attempt them sincerely to sharpen your aptitude, improve speed and accuracy, and build the confidence needed to clear CSAT.

Importance of UPSC CSAT Practice for Prelims 2026

The UPSC CSAT paper has evolved in recent years. Questions are more time-consuming, comprehension is denser, and decision-making under pressure matters more than just knowing concepts.

  • CSAT is now time-intensive: Most aspirants struggle not because they don’t know the concepts, but because they can’t solve enough questions within the time limit. Practice fixes this gap.
  • Reading stamina is a real requirement: Passages are longer and mentally tiring. Without regular practice, concentration drops in the exam hall.
  • Basic maths is easy, but tricky under pressure: Questions look simple but become error-prone when attempted quickly. Only practice builds control and accuracy.
  • Selection depends on what you skip: Attempting everything is a mistake. Practice teaches you to identify doable questions quickly and leave the rest.
  • Mental fatigue is a deciding factor: CSAT comes after GS. If you haven’t practised in a timed, exam-like setting, your performance drops sharply.
  • Cutoff is qualifying, but risk is real: Every year, serious aspirants fail only because of CSAT. Consistent practice is the safest way to stay above the cutoff.

Must see: All Important UPSC CSAT Formulas for Prelims 2026 – Quick Revision for Prelims

How to Practice CSAT Prelims PYQs

In this set, you’ll attempt 20 CSAT practice questions, each carrying 2.5 marks, similar to the UPSC Prelims CSAT pattern. This is a mini CSAT test designed to help you build speed, accuracy, and familiarity with UPSC’s question style. To make your practice effective, follow this process:

  • Set a 45-minute timer for 20 questions.
  • Read the questions carefully. Words like “not,” “only,” “correct,” or “incorrect” are important.
  • Use elimination whenever you’re unsure. Remove wrong options first.
  • CSAT has negative marking (0.83 marks deducted for every wrong answer), so avoid blind guesses.
  • If a question is taking too long, move ahead and come back later if time allows.
  • Read clearly, think targeted, and avoid overcomplicating.
  • Don’t rush; accuracy matters more than attempting all questions.

Let’s do interactive CSAT questions practice! 

Must cover: Number System for UPSC CSAT – Topics & PYQs Practice

UPSC Prelims CSAT Practice Questions

QUESTION 1

Medium

CSAT

Public policy often operates under constraints of limited resources and competing priorities. While efficiency demands that resources be allocated where they yield the highest measurable returns, equity requires that attention be paid to those who are most disadvantaged. In practice, governments struggle to balance these objectives. Policies driven purely by efficiency may neglect vulnerable populations, whereas those driven by equity may compromise overall productivity. Therefore, policymaking is less about choosing one over the other and more about negotiating a dynamic balance between the two.

What is the central idea of the passage?

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QUESTION 2

Easy

CSAT

In contemporary policymaking, the tension between economic growth and environmental sustainability has become increasingly pronounced. While growth-oriented policies prioritize industrial expansion, infrastructure development, and consumption, sustainability-focused approaches emphasize conservation, long-term ecological balance, and intergenerational equity. The challenge, however, lies not merely in reconciling these competing objectives, but in recognizing that the trade-offs are often asymmetric. Environmental degradation, once set in motion, may be irreversible or prohibitively costly to reverse, whereas economic growth, though desirable, is subject to cyclical fluctuations and policy corrections.

Moreover, political incentives tend to favor short-term economic gains over long-term sustainability. Elected governments, driven by electoral cycles, often prioritize visible and immediate benefits, even at the cost of deferred environmental consequences. This creates a structural bias in policymaking that systematically undervalues sustainability concerns. Consequently, achieving a balance between growth and sustainability requires not only technical solutions but also institutional mechanisms that can internalize long-term environmental costs into present-day decision-making.

Which of the following is the strongest inference?

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QUESTION 3

Medium

CSAT

Beliefs are often treated as tentative mental states awaiting confirmation, while knowledge is assumed to represent beliefs that have successfully aligned with truth. However, this alignment is neither straightforward nor stable. What is taken to be true at a given time is frequently mediated by prevailing methods of justification, standards of evidence, and shared interpretive frameworks.

As these standards evolve, beliefs once regarded as knowledge may lose their epistemic status without necessarily being shown to be false. Conversely, certain beliefs may persist despite weak justificatory foundations, sustained by consensus rather than correspondence with truth. This suggests that the distinction between belief and knowledge is shaped less by access to truth itself and more by the justificatory practices through which truth claims are recognised.

Which one of the following statements best reflects the critical message conveyed by the passage?

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QUESTION 4

Hard

CSAT

Human perception is often treated as a direct response to external stimuli, yet it is shaped by prior experience, expectations and context. What individuals notice, interpret or remember may depend not only on what is present but also on how it is framed within their understanding. The same event can be perceived differently by different individuals, reflecting variation in attention and interpretation.

In certain situations, perception may involve selective emphasis, where some aspects are highlighted while others remain less prominent. This process can influence judgment and response, particularly in complex or uncertain environments where information is incomplete or open to interpretation.

Which of the following statements best reflect the most logical and rational inference/inferences that can be made from the passage?

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QUESTION 5

Easy

CSAT

In a data-driven world, the availability of information does not necessarily translate into better decision-making. Individuals often suffer from cognitive biases that distort their interpretation of data. Confirmation bias leads people to favor information that supports their pre-existing beliefs, while information overload can result in decision paralysis. Consequently, more data can sometimes worsen decision quality rather than improve it.

Which of the following is an example of confirmation bias?

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QUESTION 6

Easy

CSAT

Riya bought a refrigerator and sold it for Rs. 50,000. If she incurred a loss of 20%, what was the amount she spend on buying the refrigerator ?

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QUESTION 7

Easy

CSAT

What is the value of the expression 3.3 + 33.03 + 333.003 + 0.33 + 3.03?

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QUESTION 8

Medium

CSAT

On dividing a larger number by a smaller number, the quotient obtained is 6 and the remainder is 30. What is the smaller number if the difference between the two numbers is 1380?

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QUESTION 9

Medium

CSAT

The first two terms of a geometric progression add up to 16. The sum of the third and the fourth terms is 64. If the terms of the geometric progression are alternately positive and negative then the third term is:

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QUESTION 10

Medium

CSAT

1st January 2003 was a Wednesday. When did 1st January again fall on Wednesday for the first time?

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QUESTION 11

Hard

CSAT

What is the value of 283 + 293 + 303 ……………+ 483?

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QUESTION 12

Easy

CSAT

Five persons A, B, C, D, E are sitting in a row facing north:

A sits to the immediate left of B C is not at any end D is to the right of B E is at one end

Who is in the middle?

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QUESTION 13

Medium

CSAT

A tailor had a number of shirt pieces to cut from a roll of fabric. He cut each roll of equal length into 10 pieces. He cut at the rate of 45 cuts a minute. How many rolls would be cut in 24 minutes?

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QUESTION 14

Easy

CSAT

A boy is standing on the 3rd step from the bottom of a ladder. If he needs to climb 5 more steps to reach the middle step, then how many steps are there in the ladder?

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QUESTION 15

Hard

CSAT

Five people P, Q, R, S, T are sitting on a bench. P is sitting next to Q, and S is sitting next to T. Now consider the following statements and the question:

  • Statement I: T is not sitting with P, and T is at the right end.
  • Statement II: Q is to the immediate left of R, and R is not next to S.
  • Statement III: P and S are not sitting together.

Question: What is the position of Q?

How many of the given statements are required to answer the question?

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QUESTION 16

Hard

CSAT

Consider the following statements and a question:

**Question: **What is the total number of persons in a queue if P and Q are among them? **Statement I: **P is 5th from the front of the queue, and there are 6 persons between P and Q. **Statement II: **Q is 8th from the back of the queue.

Which one of the following is correct in respect of the Statements and the Question?

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QUESTION 17

Medium

CSAT

Two Statements are given followed by two Conclusions:

Statements:

  • All prime numbers are natural numbers.
  • All natural numbers are integers.

Conclusions:

  • Conclusion-I: All prime numbers are integers.
  • Conclusion-II: All integers are prime numbers.

Which of the above Conclusions logically follows/follow from the two given Statements?

Select an option to attempt

QUESTION 18

Medium

CSAT

While writing all the numbers from 400 to 699, how many numbers occur in which the digit at hundred's place is greater than the digit at ten's place, and the digit at ten's place is greater than the digit at unit's place?

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QUESTION 19

Medium

CSAT

The sum of the age of a father and the age of a son is 60 years. If the product of their ages before 4 years was 480, then what is the present age of the father?

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QUESTION 20

Easy

CSAT

One evening after sunset, a man Ravi was standing facing some direction. If his shadow was exactly to his left side, which direction was he facing?

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How to Analyse CSAT Questions After Practice

After attempting this CSAT practice set, the next important step is analysis. This is where improvement happens. Analysing solutions helps you understand your mistakes, improve accuracy, and build the right exam approach. 

Take a few minutes to sit with your performance and review it calmly. This habit, if done consistently, can make a clear difference in your CSAT preparation.

1. Calculate Your Score

Start by calculating your score the right way.

  • Correct answer gives +2.5 marks
  • Wrong answer leads to –0.83 marks

Use this simple approach: Score = (Correct × 2.5) – (Wrong × 0.83)

2. Understand Your Attempt Pattern

Now look beyond the score and focus on how you attempted the paper.

  • Questions you solved with confidence show your strong areas
  • Questions you got right but were unsure about need more clarity
  • Questions you got wrong show where you are losing marks
  • Questions you left should be checked again to see if they were doable

This step helps you see your preparation more clearly and avoid repeating the same mistakes.

3. Learn from the Solutions Properly

While going through solutions, do not rush. Analyse:

  • What exactly went wrong here
  • Did I misunderstand the question
  • Was there a concept gap
  • Did I make a calculation mistake

Identifying the reason behind every mistake is important. This is what improves your accuracy in the next test.

4. Focus on Your Decision-Making

UPSC CSAT is not about attempting all questions. It is about choosing the right ones. Think about your decisions during the test:

  • Did you spend too much time on one question
  • Did you skip something that was actually manageable
  • Did you attempt questions under pressure without clarity

Improving your decision-making can significantly improve your score even without learning new concepts.

5. Observe Your Performance Under Time Pressure

Also, notice how you performed as the test progressed.

  • Were you able to stay focused till the end
  • Did your speed or accuracy drop in the last section

This matters on the exam day because CSAT comes after GS. You need both mental clarity and consistency.

Practice CSAT PYQs for UPSC Prelims with SuperKalam

Practise UPSC CSAT PYQs year-wise, covering Comprehension, Reasoning, and Quantitative Aptitude, with detailed explanations and exam-like practice.

Start Practicing Now

Conclusion

Consistent practice is the key to clearing UPSC Prelims CSAT 2026. These UPSC CSAT practice questions are designed to help you build accuracy, improve speed, and develop the right exam approach. Along with regular practice, make sure you solve previous year questions (PYQs) to understand the evolving pattern and question trends.

Stay consistent, analyse your mistakes, and keep refining your strategy.

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