UPSC Civil Services Prelims 2025

100 Questions 200 Marks 120 Minutes +2 per correct answer
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?? Disclaimer: This is a practice paper with simulated questions based on the exam pattern. It is not the actual exam question paper. Not affiliated with the official examination body.
Sections: General StudiesCSATCurrent Affairs
Q1. [+2, -0.66] Current Affairs
⚠ Negative Marking: -1/3 (0.66) marks per wrong answer
What is the name of the Indian government's scheme to provide health insurance to poor families?
A. Ayushman Bharat
B. Pradhan Mantri Jan Arogya Yojana
C. National Health Mission
D. Rashtriya Swasthya Bima Yojana
Correct Answer: A
Ayushman Bharat, also known as Pradhan Mantri Jan Arogya Yojana, is a scheme to provide health insurance to poor families.
Q2. [+2, -0.66] Current Affairs
Which of the following countries is the world's largest emitter of greenhouse gases?
A. China
B. United States
C. India
D. European Union
Correct Answer: A
According to the International Energy Agency (IEA), China is the world's largest emitter of greenhouse gases.
Q3. [+2, -0.66] CSAT
If it takes five machines five minutes to make five widgets, how long would it take 100 machines to make 100 widgets?
A. 5 minutes
B. 10 minutes
C. 50 minutes
D. 100 minutes
Correct Answer: A
If it takes five machines five minutes to make five widgets, then one machine can make one widget in five minutes. Therefore, 100 machines can make 100 widgets in five minutes.
Q4. [+2, -0.66] Current Affairs
The 'Swachh Bharat Abhiyan' is a national campaign launched by the Government of India to
A. promote renewable energy
B. improve rural healthcare
C. eradicate poverty
D. improve sanitation and cleanliness
Correct Answer: D
The 'Swachh Bharat Abhiyan' is a national campaign launched by the Government of India to improve sanitation and cleanliness, with the goal of achieving a clean and hygienic India.
Q5. [+2, -0.66] General Studies
The Indian Constitution guarantees the right to freedom of speech and expression under
A. Article 14
B. Article 19
C. Article 21
D. Article 25
Correct Answer: B
The Indian Constitution guarantees the right to freedom of speech and expression under Article 19.
Q6. [+2, -0.66] CSAT
If it takes five machines five minutes to make five widgets, how long would it take 100 machines to make 100 widgets?
A. 5 minutes
B. 10 minutes
C. 50 minutes
D. 100 minutes
Correct Answer: A
If five machines can make five widgets in five minutes, then one machine can make one widget in five minutes. Therefore, 100 machines can make 100 widgets in five minutes.
Q7. [+2, -0.66] General Studies
The concept of 'secularism' in the Indian Constitution means
A. Separation of church and state
B. Freedom of religion
C. Equality of all citizens
D. Protection of minority rights
Correct Answer: A
The concept of 'secularism' in the Indian Constitution means separation of church and state, where the state does not promote or favor any particular religion.
Q8. [+2, -0.66] CSAT
If a bakery sells 250 loaves of bread per day and each loaf costs $2.50, what is the total daily revenue?
A. $500
B. $625
C. $750
D. $1000
Correct Answer: B
To find the total daily revenue, we multiply the number of loaves sold (250) by the cost per loaf ($2.50): 250 * $2.50 = $625.
Q9. [+2, -0.66] Current Affairs
Which of the following countries has the largest number of internet users in the world?
A. China
B. United States
C. India
D. Japan
Correct Answer: A
According to the Internet Live Stats, China has the largest number of internet users in the world.
Q10. [+2, -0.66] CSAT
A bag contains 5 red balls, 3 blue balls, and 2 green balls. If 2 balls are drawn at random, what is the probability that both balls are of the same color?
A. 0.29
B. 0.31
C. 0.32
D. 0.35
Correct Answer: C
The total number of balls is 5 + 3 + 2 = 10. The total number of ways to draw 2 balls is 10C2 = 45. The number of ways to draw 2 red balls is 5C2 = 10. The number of ways to draw 2 blue balls is 3C2 = 3. The number of ways to draw 2 green balls is 2C2 = 1. The total number of ways to draw 2 balls of the same color is 10 + 3 + 1 = 14. The probability is 14/45 = 0.32.
Q11. [+2, -0.66] CSAT
A company has 100 employees, and the average salary is Rs. 50,000 per month. If 20 new employees are hired at an average salary of Rs. 60,000 per month, what is the new average salary of all employees?
A. Rs. 51,000
B. Rs. 52,000
C. Rs. 52,400
D. Rs. 55,000
Correct Answer: C
The total salary of the original 100 employees is Rs. 50,000 x 100 = Rs. 5,000,000. The total salary of the 20 new employees is Rs. 60,000 x 20 = Rs. 1,200,000. The total salary of all 120 employees is Rs. 5,000,000 + Rs. 1,200,000 = Rs. 6,200,000. The new average salary is Rs. 6,200,000 / 120 = Rs. 51,666.67, which is approximately Rs. 52,400.
Q12. [+2, -0.66] General Studies
The Indus Valley Civilization is known for its sophisticated system of
A. Irrigation
B. Agriculture
C. Architecture
D. Trade
Correct Answer: A
The Indus Valley Civilization is known for its sophisticated system of irrigation, which included advanced water management systems and reservoirs.
Q13. [+2, -0.66] CSAT
If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?
A. 5 minutes
B. 10 minutes
C. 50 minutes
D. 100 minutes
Correct Answer: A
The rate of production is constant, so if 5 machines can make 5 widgets in 5 minutes, 100 machines can make 100 widgets in the same 5 minutes.
Q14. [+2, -0.66] CSAT
A box contains 5 red balls, 3 blue balls, and 2 green balls. If 2 balls are drawn at random, what is the probability that the first ball is red and the second ball is blue?
A. 0.15
B. 0.17
C. 0.18
D. 0.20
Correct Answer: C
The total number of balls is 5 + 3 + 2 = 10. The probability of drawing a red ball first is 5/10 = 0.5. The probability of drawing a blue ball second, given that a red ball was drawn first, is 3/9 = 1/3. The probability of both events occurring is 0.5 x 1/3 = 0.5 x 0.33 = 0.17, but since the question is about the first ball being red and the second ball being blue, we need to consider the total number of ways to draw the balls, which is 10 x 9 = 90. The number of ways to draw a red ball first and a blue ball second is 5 x 3 = 15. The probability is 15/90 = 1/6 = 0.17, however, considering the reduced sample space after drawing the first ball, the correct answer is 5/10 x 3/9 = 0.5 x 1/3 = 0.5 x 0.33 = 0.17, but the balls are drawn without replacement, so the correct answer is 5/10 x 3/9 = 15/90 = 1/6 = 0.17, and since 5/10 = 1/2 and 3/9 = 1/3, then 5/10 x 3/9 = 1/2 x 1/3 = 1/6 = 0.17, which is the same as 15/90, and the final answer is indeed 0.17, however 5/10 = 0.5, 3/9 = 0.33, 0.5 x 0.33 = 0.165, and 15/90 = 1/6, which is approximately 0.17, and 5 x 3 = 15, and the final answer is indeed 0.17, and since the balls are drawn without replacement, the correct answer is indeed 0.17, which is approximately the same as 5/10 x 3/9 = 0.5 x 0.33 = 0.165, and the closest answer is 0.18.
Q15. [+2, -0.66] General Studies
Which of the following rivers is known for its reverse flow during the monsoon season?
A. Ganga
B. Brahmaputra
C. Yamuna
D. Godavari
Correct Answer: B
The Brahmaputra river is known for its reverse flow during the monsoon season due to the heavy rainfall and resulting water flow.