Reasoning - MOST IMPORTANT UPSC CSE Previous Year Questions
Practice real questions from previous year exams of UPSC CSE.
📘 Special Quantifiers and Statement Types📚 Only / At least / At most Quantifiers
Q1
Consider the following three statements:
1. Only students can participate in the race.
2. Some participants in the race are girls.
3. All girl participants in the race are invited for coaching.
Which one of the following conclusions can be drawn from the above statements?
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📘 Special Quantifiers and Statement Types📚 Misc
Q2
Each of the following items consists of four statements. Of these four statements, two cannot both be true, but both can be false. Study the statements carefully and identify the two that satisfy the above condition.
Examine the following statements:
1. All animals are carnivorous.
2. Some animals are not carnivorous.
3. Animals are not carnivorous.
4. Some animals are carnivorous.
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📘 Special Quantifiers and Statement Types📚 Misc
Q3
Each of the following items consists of four statements. Of these four statements, two cannot both be true, but both can be false. Study the statements carefully and identify the two that satisfy the above condition.
Examine the following statements:
1. All trains are run by diesel engine.
2. Some trains are run by diesel engine.
3. No train is run by diesel engine.
4. Some trains are not run by diesel engine.
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📘 Matrix and Column-wise Patterns📚 Matrix Row-Column Cross Operations
Q4
Consider the following figures: two $2 \times 2$ grids. In the first grid the cells contain 2 (top-left), 6 (top-right), 80 (bottom-left) and 24 (bottom-right). In the second grid the cells contain 3 (top-left), ? (top-right), 120 (bottom-left) and 36 (bottom-right). What is the missing number?
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📘 Triangles - Equilateral Triangle Grid📚 Misc
Q5
Consider the following figure: a large triangle subdivided into a grid of smaller triangles by horizontal and slanting lines. What is the total number of triangles in the above grid?
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📘 Numerical Counting - Two-Set Diagrams📚 Neither Category (Outside Both)
Q6
There are 100 students in a particular class. 60% of the students play cricket, 30% students play football and 10% students play both the games. What is the number of students who play neither cricket nor football?
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📘 Three-Statement with Negative📚 All + Some + No - Mixed Chain Negative
Q7
Consider the following argument:
''In order to be a teacher one must graduate from college. All poets are poor. Some Mathematicians are poets. No college graduate is poor.''
Which one of the following is not a valid conclusion regarding the above argument?
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📘 Direction Sense - Two-Person Movement and Meeting Points📚 Relative Final Positions of Two Persons Moving from Different Starts
Q8
The houses of A and B face each other on a road going north-south, A's being on the western side. A comes out of his house, turns left, travels 5 km, turns right, travels 5 km to the front of D's house. B does exactly the same and reaches the front of C's house. In this context, which one of the following statements is correct?
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📘 Family Composition and Structure Puzzles📚 Identifying Married Couples
Q9
A, B, C, D and E are members of the same family. There are two fathers, two sons, two wives, three males and two females. The teacher was the wife of a lawyer who was the son of a doctor. E is not a male, neither is she a wife of a professional. C is the youngest person in the family and D is the eldest. B is a male.
How is D related to E?
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📘 Family Composition and Structure Puzzles📚 Counting Male and Female Members
Q10
A, B, C, D and E are members of the same family. There are two fathers, two sons, two wives, three males and two females. The teacher was the wife of a lawyer who was the son of a doctor. E is not a male, neither is she a wife of a professional. C is the youngest person in the family and D is the eldest. B is a male.
Who are the females in the group?
🎯 UPSC CSE PRE 2011
📘 Family Composition and Structure Puzzles📚 Identifying Married Couples
Q11
A, B, C, D and E are members of the same family. There are two fathers, two sons, two wives, three males and two females. The teacher was the wife of a lawyer who was the son of a doctor. E is not a male, neither is she a wife of a professional. C is the youngest person in the family and D is the eldest. B is a male.
Whose wife is the teacher?
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📘 Persons Between Two Positions📚 Exactly Between Two Persons - Middle Position
Q12
In a queue, Mr. X is fourteenth from the front and Mr. Y is seventeenth from the end, while Mr. Z is exactly in between Mr. X and Mr. Y. If Mr. X is ahead of Mr. Y and there are 48 persons in the queue, how many persons are there between Mr. X and Mr. Z?
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📘 Statement Based Questions📚 Questions related to Decision-making
Q13
You have been asked to give an explanation for not attending an important official meeting. Your immediate boss who has not informed you about the meeting is now putting pressure on you not to place an allegation against him/her. You would
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📘 Statement Based Questions📚 Questions related to Decision-making
Q14
A local thug (bad element) has started illegal construction on your vacant plot. He has refused your request to vacate and threatened you of dire consequences in case you do not sell the property at a cheap price to him. You would
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📘 Statement Based Questions📚 Questions related to Decision-making
Q15
You have to accomplish a very important task for your Headquarters within the next two days. Suddenly you meet with an accident. Your office insists that you complete the task. You would
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📘 Statement Based Questions📚 Questions related to Decision-making
Q16
You are an officer-in-charge for providing basic medical facilities to the survivors of an earthquake affected area. Despite your best possible effort, people put allegations against you for making money out of the funds given for relief. You would
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📘 Statement Based Questions📚 Questions related to Decision-making
Q17
You have been made responsible to hire boats at a short notice to be used for an area under flood. On seeing the price mentioned by the boat owners you found that the lowest price was approximately three times more than the approved rate of the government. You would
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📘 Statement Based Questions📚 Questions related to Decision-making
Q18
You are the officer-in-charge of a village administering distribution of vaccine in an isolated epidemic-hit village, and you are left with only one vaccine. There is a requirement of that vaccine from the Gram Pradhan and also a poor villager. You are being pressurized by the Gram Pradhan to issue the vaccine to him. You would
🎯 UPSC CSE PRE 2011
📘 Statement Based Questions📚 Questions related to Decision-making
Q19
You have taken up a project to create night-shelters for homeless people during the winter season. Within a week of establishing the shelters, you have received complaints from the residents of the area about the increase in theft cases with a demand to remove the shelters. You would
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📘 Statement Based Questions📚 Questions related to Decision-making
Q20
You, as an administrative authority, have been approached by the daughter-in-law of an influential person regarding harassment by her in-laws on account of insufficient dowry. Her parents are not able to approach you because of social pressures. You would
🎯 UPSC CSE PRE 2011