NDA & CDS General Ability GAT Mock Test 2026 – Free Practice Quiz with Answers (Set 50)

Welcome to NDA & CDS General Ability GAT Mock Test 2026 – Free Practice Quiz with Answers (Set 50), your comprehensive online practice test prepared specifically for government competitive exam aspirants. This Defence NDA CDS mock test features 50 exam-standard multiple choice questions covering key topics with detailed solutions and answer explanations. Practicing mock quizzes regularly is the proven strategy to enhance your solving speed, eliminate exam anxiety, and master time management for high-stakes recruitment examinations.

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  • Latest Syllabus & Pattern: Every question strictly aligns with the updated syllabus and previous year exam trends for Defence NDA CDS.
  • Multi-Subject Balance: Curated mix of Quantitative Aptitude, Logical Reasoning, General Awareness, and Language skills to simulate the actual paper.
  • Comprehensive Explanations: Step-by-step mathematical derivations and factual references provided for conceptual clarity.
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Exam Instructions & Marking Scheme

⏱ Recommended Duration: 60 minutes

📋 Total Questions: 50 Multiple Choice Questions (4 Options each)

⚖️ Marking Scheme: +2 for correct answer, -0.50 for incorrect answer

💡 Strategy Tip: Read each question carefully. Do not spend more than 60 seconds on any single question on the first pass. Mark doubtful questions for review.

Defence NDA CDS Mock Test – 50 Practice Questions

  1. Q1. In a class of 31 students standing in a single row, Aman is ranked 11th from the left end. What is his rank from the right end?

    (A) 19th    (B) 21th    (C) 23th    (D) 24th

  2. Q2. Which Article of the Constitution of India protects Right to Life and Personal Liberty except according to procedure established by law.

    (A) Article 21    (B) Article 15    (C) Article 44    (D) Article 51A

  3. Q3. Which metal is liquid at standard room temperature and pressure?

    (A) Mercury (Hg)    (B) Bromine    (C) Gallium    (D) Sodium

  4. Q4. Which international organization publishes the annual 'World Economic Outlook' report?

    (A) International Monetary Fund (IMF)    (B) World Bank    (C) WTO    (D) WEF

  5. Q5. Calculate the Simple Interest on a principal amount of Rs 6,000 invested at an annual interest rate of 8% for a duration of 3 years:

    (A) Rs 1,320    (B) Rs 1,440    (C) Rs 1,640    (D) Rs 1,790

  6. Q6. Find the missing term in the sequence: 2, 5, 11, 23, ?

    (A) 43    (B) 47    (C) 53    (D) 57

  7. Q7. Which Article of the Constitution of India guarantees Equality before Law and Equal Protection of the Laws within the territory of India.

    (A) Article 14    (B) Article 15    (C) Article 44    (D) Article 51A

  8. Q8. What is the chemical formula for common household Bleaching Powder?

    (A) CaOCl2    (B) CaCO3    (C) CaSO4    (D) CaCl2

  9. Q9. In which year did the historic Jallianwala Bagh massacre take place in Amritsar?

    (A) 1919 (13th April)    (B) 1920    (C) 1918    (D) 1922

  10. Q10. A shopkeeper purchases an item for Rs 1400 and marks it up to sell at a profit of 20%. What is the selling price of the article?

    (A) Rs 1640    (B) Rs 1680    (C) Rs 1730    (D) Rs 1780

  11. Q11. If in a secret code language 'VICTORY' is written as 'WJDUPSZ', how will the word 'SUCCESS' be coded in that system?

    (A) TVDDFFT    (B) TVDDFTT    (C) TVDDETT    (D) TUDDFFT

  12. Q12. Which Article of the Constitution of India provides for the imposition of President's Rule in a State upon failure of constitutional machinery.

    (A) Article 356    (B) Article 15    (C) Article 44    (D) Article 51A

  13. Q13. Which cell organelle contains digestive enzymes and is nicknamed the 'Suicide Bag of the Cell'?

    (A) Lysosome    (B) Mitochondria    (C) Ribosome    (D) Centrosome

  14. Q14. Give one word for: 'A person who loves and collects books passionately'

    (A) Bibliophile    (B) Philatelist    (C) Numismatist    (D) Polyglot

  15. Q15. A train of length 240 metres crosses a platform of length 120 metres in 32 seconds. What is the speed of the train in km/h?

    (A) 30 km/h    (B) 40 km/h    (C) 52 km/h    (D) 60 km/h

  16. Q16. In a class of 36 students standing in a single row, Aman is ranked 10th from the left end. What is his rank from the right end?

    (A) 25th    (B) 27th    (C) 29th    (D) 30th

  17. Q17. Which Article of the Constitution of India empowers citizens to approach the Supreme Court directly for enforcement of Fundamental Rights.

    (A) Article 32    (B) Article 15    (C) Article 44    (D) Article 51A

  18. Q18. What is the SI unit of electric potential difference (Voltage)?

    (A) Volt    (B) Ampere    (C) Watt    (D) Joule

  19. Q19. Select the correctly spelt word from the options:

    (A) Bureaucracy    (B) Beurocracy    (C) Bureaucrasy    (D) Burocracy

  20. Q20. Calculate the Simple Interest on a principal amount of Rs 5,000 invested at an annual interest rate of 8% for a duration of 3 years:

    (A) Rs 1,080    (B) Rs 1,200    (C) Rs 1,400    (D) Rs 1,550

  21. Q21. Find the missing term in the sequence: 5, 11, 23, 47, ?

    (A) 91    (B) 95    (C) 101    (D) 105

  22. Q22. Which Article of the Constitution of India guarantees six fundamental freedoms including Freedom of Speech and Expression.

    (A) Article 19    (B) Article 15    (C) Article 44    (D) Article 51A

  23. Q23. Which blood cells are responsible for carrying oxygen from the lungs to the body tissues?

    (A) Red Blood Cells (Erythrocytes)    (B) White Blood Cells    (C) Platelets    (D) Plasma

  24. Q24. Choose the word that is most opposite in meaning (Antonym) to 'METICULOUS':

    (A) Careless / Sloppy    (B) Accurate    (C) Diligent    (D) Cautious

  25. Q25. A shopkeeper purchases an item for Rs 1200 and marks it up to sell at a profit of 20%. What is the selling price of the article?

    (A) Rs 1400    (B) Rs 1440    (C) Rs 1490    (D) Rs 1540

  26. Q26. If in a secret code language 'VICTORY' is written as 'WJDUPSZ', how will the word 'SUCCESS' be coded in that system?

    (A) TVDDFFT    (B) TVDDFTT    (C) TVDDETT    (D) TUDDFFT

  27. Q27. Which Article of the Constitution of India lays down the procedure for amending the Constitution by the Parliament.

    (A) Article 368    (B) Article 15    (C) Article 44    (D) Article 51A

  28. Q28. Which optical phenomenon is primarily responsible for the twinkling of stars in the night sky?

    (A) Atmospheric Refraction    (B) Total Internal Reflection    (C) Dispersion    (D) Scattering

  29. Q29. Who was the first Governor-General of independent India in 1947?

    (A) Lord Mountbatten    (B) C. Rajagopalachari    (C) Dr. Rajendra Prasad    (D) Jawaharlal Nehru

  30. Q30. A train of length 210 metres crosses a platform of length 120 metres in 28 seconds. What is the speed of the train in km/h?

    (A) 32 km/h    (B) 42 km/h    (C) 54 km/h    (D) 62 km/h

  31. Q31. In a class of 31 students standing in a single row, Aman is ranked 17th from the left end. What is his rank from the right end?

    (A) 13th    (B) 15th    (C) 17th    (D) 18th

  32. Q32. Which Article of the Constitution of India empowers the President of India to promulgate Ordinances during the recess of Parliament.

    (A) Article 123    (B) Article 15    (C) Article 44    (D) Article 51A

  33. Q33. Which metal is liquid at standard room temperature and pressure?

    (A) Mercury (Hg)    (B) Bromine    (C) Gallium    (D) Sodium

  34. Q34. Which international organization publishes the annual 'World Economic Outlook' report?

    (A) International Monetary Fund (IMF)    (B) World Bank    (C) WTO    (D) WEF

  35. Q35. Calculate the Simple Interest on a principal amount of Rs 8,000 invested at an annual interest rate of 8% for a duration of 3 years:

    (A) Rs 1,800    (B) Rs 1,920    (C) Rs 2,120    (D) Rs 2,270

  36. Q36. Find the missing term in the sequence: 2, 5, 11, 23, ?

    (A) 43    (B) 47    (C) 53    (D) 57

  37. Q37. Which Article of the Constitution of India protects Right to Life and Personal Liberty except according to procedure established by law.

    (A) Article 21    (B) Article 15    (C) Article 44    (D) Article 51A

  38. Q38. What is the chemical formula for common household Bleaching Powder?

    (A) CaOCl2    (B) CaCO3    (C) CaSO4    (D) CaCl2

  39. Q39. In which year did the historic Jallianwala Bagh massacre take place in Amritsar?

    (A) 1919 (13th April)    (B) 1920    (C) 1918    (D) 1922

  40. Q40. A shopkeeper purchases an item for Rs 1000 and marks it up to sell at a profit of 20%. What is the selling price of the article?

    (A) Rs 1160    (B) Rs 1200    (C) Rs 1250    (D) Rs 1300

  41. Q41. If in a secret code language 'VICTORY' is written as 'WJDUPSZ', how will the word 'SUCCESS' be coded in that system?

    (A) TVDDFFT    (B) TVDDFTT    (C) TVDDETT    (D) TUDDFFT

  42. Q42. Which Article of the Constitution of India guarantees Equality before Law and Equal Protection of the Laws within the territory of India.

    (A) Article 14    (B) Article 15    (C) Article 44    (D) Article 51A

  43. Q43. Which cell organelle contains digestive enzymes and is nicknamed the 'Suicide Bag of the Cell'?

    (A) Lysosome    (B) Mitochondria    (C) Ribosome    (D) Centrosome

  44. Q44. Give one word for: 'A person who loves and collects books passionately'

    (A) Bibliophile    (B) Philatelist    (C) Numismatist    (D) Polyglot

  45. Q45. A train of length 180 metres crosses a platform of length 120 metres in 24 seconds. What is the speed of the train in km/h?

    (A) 35 km/h    (B) 45 km/h    (C) 57 km/h    (D) 65 km/h

  46. Q46. In a class of 36 students standing in a single row, Aman is ranked 16th from the left end. What is his rank from the right end?

    (A) 19th    (B) 21th    (C) 23th    (D) 24th

  47. Q47. Which Article of the Constitution of India provides for the imposition of President's Rule in a State upon failure of constitutional machinery.

    (A) Article 356    (B) Article 15    (C) Article 44    (D) Article 51A

  48. Q48. What is the SI unit of electric potential difference (Voltage)?

    (A) Volt    (B) Ampere    (C) Watt    (D) Joule

  49. Q49. Select the correctly spelt word from the options:

    (A) Bureaucracy    (B) Beurocracy    (C) Bureaucrasy    (D) Burocracy

  50. Q50. Calculate the Simple Interest on a principal amount of Rs 7,000 invested at an annual interest rate of 8% for a duration of 3 years:

    (A) Rs 1,560    (B) Rs 1,680    (C) Rs 1,880    (D) Rs 2,030

Answer Key & Topic Breakdown

Q.No Correct Answer Subject / Topic Q.No Correct Answer Subject / Topic
1 (B) 21th Reasoning - Order & Ranking 26 (A) TVDDFFT Reasoning - Coding Decoding
2 (A) Article 21 Polity - Protection of Life 27 (A) Article 368 Polity - Constitutional Amendments
3 (A) Mercury (Hg) General Science - Chemistry 28 (A) Atmospheric Refraction General Science - Physics
4 (A) International Monetary Fund (IMF) General Awareness - Global Bodies 29 (A) Lord Mountbatten History - Modern India
5 (B) Rs 1,440 Quant - Simple Interest 30 (B) 42 km/h Quant - Speed, Time & Distance
6 (B) 47 Reasoning - Number Series 31 (B) 15th Reasoning - Order & Ranking
7 (A) Article 14 Polity - Right to Equality 32 (A) Article 123 Polity - President's Legislative Powers
8 (A) CaOCl2 General Science - Chemistry 33 (A) Mercury (Hg) General Science - Chemistry
9 (A) 1919 (13th April) History - Freedom Struggle 34 (A) International Monetary Fund (IMF) General Awareness - Global Bodies
10 (B) Rs 1680 Quant - Profit & Loss 35 (B) Rs 1,920 Quant - Simple Interest
11 (A) TVDDFFT Reasoning - Coding Decoding 36 (B) 47 Reasoning - Number Series
12 (A) Article 356 Polity - State Emergency / President's Rule 37 (A) Article 21 Polity - Protection of Life
13 (A) Lysosome General Science - Biology 38 (A) CaOCl2 General Science - Chemistry
14 (A) Bibliophile English - One Word Substitution 39 (A) 1919 (13th April) History - Freedom Struggle
15 (B) 40 km/h Quant - Speed, Time & Distance 40 (B) Rs 1200 Quant - Profit & Loss
16 (B) 27th Reasoning - Order & Ranking 41 (A) TVDDFFT Reasoning - Coding Decoding
17 (A) Article 32 Polity - Right to Constitutional Remedies 42 (A) Article 14 Polity - Right to Equality
18 (A) Volt General Science - Physics 43 (A) Lysosome General Science - Biology
19 (A) Bureaucracy English - Spelling Test 44 (A) Bibliophile English - One Word Substitution
20 (B) Rs 1,200 Quant - Simple Interest 45 (B) 45 km/h Quant - Speed, Time & Distance
21 (B) 95 Reasoning - Number Series 46 (B) 21th Reasoning - Order & Ranking
22 (A) Article 19 Polity - Right to Freedom 47 (A) Article 356 Polity - State Emergency / President's Rule
23 (A) Red Blood Cells (Erythrocytes) General Science - Biology 48 (A) Volt General Science - Physics
24 (A) Careless / Sloppy English - Antonyms 49 (A) Bureaucracy English - Spelling Test
25 (B) Rs 1440 Quant - Profit & Loss 50 (B) Rs 1,680 Quant - Simple Interest

Detailed Solutions & Explanations

Q1 Explanation (Reasoning - Order & Ranking)

Rank from Right = Total Students - Rank from Left + 1 = 31 - 11 + 1 = 21th.

Q2 Explanation (Polity - Protection of Life)

Article 21 protects Right to Life and Personal Liberty except according to procedure established by law.

Q3 Explanation (General Science - Chemistry)

Mercury is the only metallic element that is liquid at standard room temperature.

Q4 Explanation (General Awareness - Global Bodies)

The World Economic Outlook (WEO) is a flagship report published biannually by the IMF.

Q5 Explanation (Quant - Simple Interest)

Simple Interest = (P * R * T) / 100 = (6000 * 8 * 3) / 100 = Rs 1,440.

Q6 Explanation (Reasoning - Number Series)

Pattern: Multiply previous term by 2 and add 1 (x * 2 + 1). The next term is 47.

Q7 Explanation (Polity - Right to Equality)

Article 14 guarantees Equality before Law and Equal Protection of the Laws within the territory of India.

Q8 Explanation (General Science - Chemistry)

Bleaching powder is Calcium Hypochlorite / Calcium Oxychloride (CaOCl2).

Q9 Explanation (History - Freedom Struggle)

The Jallianwala Bagh massacre occurred on 13 April 1919 under General Dyer.

Q10 Explanation (Quant - Profit & Loss)

Selling Price = Cost Price * (1 + Profit/100) = Rs 1400 * 1.20 = Rs 1680.

Q11 Explanation (Reasoning - Coding Decoding)

Each letter is shifted forward by +1: S->T, U->V, C->D, C->D, E->F, S->T, S->T -> TVDDFFT.

Q12 Explanation (Polity - State Emergency / President's Rule)

Article 356 provides for the imposition of President's Rule in a State upon failure of constitutional machinery.

Q13 Explanation (General Science - Biology)

Lysosomes contain hydrolytic enzymes and break down waste materials, known as suicide bags.

Q14 Explanation (English - One Word Substitution)

A 'Bibliophile' is an enthusiastic lover or collector of books.

Q15 Explanation (Quant - Speed, Time & Distance)

Speed = Total Distance / Time = (240 + 120) / 32 = 11.25 m/s * (18/5) = 40 km/h.

Q16 Explanation (Reasoning - Order & Ranking)

Rank from Right = Total Students - Rank from Left + 1 = 36 - 10 + 1 = 27th.

Q17 Explanation (Polity - Right to Constitutional Remedies)

Article 32 empowers citizens to approach the Supreme Court directly for enforcement of Fundamental Rights.

Q18 Explanation (General Science - Physics)

The SI unit of electric potential difference is Volt (V).

Q19 Explanation (English - Spelling Test)

'Bureaucracy' is correctly spelt as B-U-R-E-A-U-C-R-A-C-Y.

Q20 Explanation (Quant - Simple Interest)

Simple Interest = (P * R * T) / 100 = (5000 * 8 * 3) / 100 = Rs 1,200.

Frequently Asked Questions (FAQs)

1. Is this Defence NDA CDS mock test completely free to attempt?

Yes, all mock tests in this 120-set series are 100% free with no registration or hidden fees required. You can practice as many times as you like and share the quiz with fellow aspirants.

2. How does practicing 50-question mock tests help in exam preparation?

Solving timed 50-question sets builds mental stamina, improves speed-accuracy ratio, and helps you identify specific chapters where you lose marks before attempting full-length papers.

3. How should I analyze my performance after completing this quiz?

First calculate your net score using the official negative marking scheme. Then review every incorrect answer and unattempted question in our explanation section to ensure you master the underlying concept.

4. What is the recommended time allocation for this 50-question paper?

For most Tier-1/Prelims exams, allocate roughly 30 to 45 seconds for General Awareness questions, 50 seconds for Reasoning, and 60 to 75 seconds for Quantitative Aptitude problems.

5. Where can I find more sets in this government exam mock test series?

You can navigate to the previous and next practice sets using the series links below to cover all major recruitment exams including SSC, Railways, UPSC, Banking, and State PSCs.

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