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UPSC Prelims CSAT (Paper 2) Practice Test Online

UPSC Prelims CSAT (Paper 2) practice test covering reading comprehension, logical and analytical reasoning, basic numeracy, data interpretation and decision-making.

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About this UPSC Reasoning practice test

UPSC CSAT (Civil Services Aptitude Test) is Paper 2 of the Prelims. It is qualifying in nature — a minimum of 33% (66 of 200 marks) is required. The paper tests Reading Comprehension (40-50% of marks), Logical Reasoning and Analytical Ability, Basic Numeracy (Class 10 level), Data Interpretation (simple charts and tables) and Decision-Making and Problem-Solving. Many candidates underestimate CSAT; failing to qualify disqualifies the GS Paper 1 score regardless of how well it was written.

UPSC Prelims CSAT Practice Test sample questions

These starter questions help you launch a reasoning mock test quickly. Swap them with your own worksheet, notebook, or textbook questions any time.

1. Read the passage: "Democracy is not just a form of government; it is a way of life based on respect for human dignity." What is the main idea?
2. If all roses are flowers and some flowers are red, can we conclude some roses are red?
3. A clock shows 3:15. What is the angle between the minute and hour hands?
4. Find the odd one out: 121, 144, 169, 196, 225, 289, 300.
5. In a group of 40 people, 25 speak Hindi, 20 speak English and 10 speak both. How many speak neither?
6. Reading comprehension: "The sun rises in the east and sets in the west. This is due to the rotation of the earth on its axis." Why does the sun appear to move?
7. Two numbers are in ratio 4:7. Their sum is 55. Find the numbers.
8. Simplify: (25% of 80) + (30% of 120).
9. If a:b = 2:3 and b:c = 4:5, find a:c.
10. A train 100 m long crosses a pole in 10 seconds. Find its speed.
11. Decision-making: A subordinate makes a serious error costing the department. What should a good manager do first?
12. Passage inference: "Over-reliance on technology weakens human skills." The author's attitude is (critical of technology / supportive of technology)?
13. Series: 1, 4, 9, 16, 25, ?
14. What is 20% of 20% of 500?
15. Logical reasoning: All fruits are sweet. Mango is a fruit. Conclusion?

Related search topics

reading comprehensionlogical reasoningbasic numeracydata interpretationdecision-making

This page is built for students looking for upsc prelims csat practice test, chapter practice, and quick school exam revision.

Why this practice page is useful

CSAT is qualifying (33% minimum) — a focused week of practice is sufficient to secure it.

Reading Comprehension passages in CSAT are the most direct way to reach 33% without any numeracy prep.

Replace the starter with editorial passages or quantitative problems to drill whichever area you're weakest in.

Answer key & quick explanations

Short answers for the sample questions above. Use this to self-check before generating a fresh AI-built mock test.

  1. Democracy main idea: Democracy goes beyond governance — it is a value system based on human dignity and respect.
  2. Roses are flowers, some red: No — we cannot conclude some roses are red. Some flowers being red doesn't mean roses (a subset) are among those red flowers.
  3. Clock angle 3:15: At 3:15, minute hand is at 90°; hour hand is at 97.5° (3h 15m × 0.5°/min). Angle = 7.5°.
  4. Odd one out squares: 300 — all others are perfect squares (11², 12², 13², 14², 15², 17²); 300 is not.
  5. 40 people Hindi/English: Neither = 40 − (25 + 20 − 10) = 40 − 35 = 5.
  6. Sun appears to move reason: Earth's rotation on its axis from west to east causes the sun to appear to rise in the east and set in the west.
  7. Ratio 4:7 sum 55: 4x + 7x = 55 → x = 5. Numbers: 20 and 35.
  8. 25% of 80 + 30% of 120: 20 + 36 = 56.
  9. a:b=2:3, b:c=4:5, find a:c: a:c = (2×4):(3×5) = 8:15.
  10. Train 100m crosses pole in 10s: Speed = 100/10 = 10 m/s = 36 km/h.
  11. Manager response to error: Understand the cause of the error and provide constructive feedback before taking disciplinary action.
  12. Over-reliance on technology: Critical of technology — warns against weakening of human skills.
  13. Series 1,4,9,16,25: 36 — perfect squares.
  14. 20% of 20% of 500: 20% of 500 = 100; 20% of 100 = 20.
  15. All fruits sweet, mango is a fruit: Mango is sweet.

UPSC Reasoning units covered

Typical UPSC syllabus units this practice test draws from. Paste questions from any unit below to generate a focused mock test.

  • Reading Comprehension (Passages from UPSC papers)
  • Logical and Analytical Reasoning
  • Basic Numeracy (Arithmetic up to Class 10)
  • Data Interpretation (Tables, Graphs, Charts)
  • Decision-Making and Problem-Solving
  • General Mental Ability
  • Interpersonal Skills and Communication

How to use this upsc prelims csat practice test page

1. Open the ready-made starter and generate the test.

2. Review the output as a quick UPSC reasoning mock test.

3. Replace the starter with your own previous-year exam questions for more accurate revision.

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