UPSC Prelims 2017 Question Paper & Analysis
Get UPSC Prelims Previous Year Question (PYQ) Papers with detailed explanations, mindmaps, organized year-wise and subject-wise for CSAT.
PYQs with Detailed Answers
Eight railway stations A, B, C, D, E, F, G, and H are connected either by two-way passages or one-way passages. One-way passages are from C to A, E to G, B to F, D to H, G to C, E to C, and H to G. Two-way passages are between A and E, G and B, F and D, and E and D.
View Answer for: If the route between G and C is closed, which one of the following stations need not be passed through while travelling from H to C?If the route between G and C is closed, which one of the following stations need not be passed through while travelling from H to C?
- View Answer for: Consider the given statement and the two conclusions that follow:Statement: Morning walk is good for health.Conclusions: All healthy people go for morning walk. Morning walk is essential for maintaining good health.What is/are the valid conclusion/conclusions?
Consider the given statement and the two conclusions that follow:
Statement: Morning walk is good for health.
Conclusions:
- All healthy people go for morning walk.
- Morning walk is essential for maintaining good health.
What is/are the valid conclusion/conclusions?
- View Answer for: In a test, Randhir obtained more marks than the total marks obtained by Kunal and Debu. The total marks obtained by Kunal and Shankar are more than those of Randhir. Sonal obtained more marks than Shankar. Neha obtained more marks than Randhir. Who amongst them obtained the highest marks?
In a test, Randhir obtained more marks than the total marks obtained by Kunal and Debu. The total marks obtained by Kunal and Shankar are more than those of Randhir. Sonal obtained more marks than Shankar. Neha obtained more marks than Randhir. Who amongst them obtained the highest marks?
- View Answer for: Statement: Good voice is a natural gift but one has to keep practising to improve and excel well in the field of music.Conclusions: I. Natural gifts need nurturing and care. II. Even though one’s voice is not good, one can keep practising.Which one of the following is correct in respect of the above statement and conclusions?
Statement: Good voice is a natural gift but one has to keep practising to improve and excel well in the field of music.
Conclusions: I. Natural gifts need nurturing and care. II. Even though one’s voice is not good, one can keep practising.
Which one of the following is correct in respect of the above statement and conclusions?
Eight railway stations A, B, C, D, E, F, G, and H are connected either by two-way passages or one-way passages. One-way passages are from C to A, E to G, B to F, D to H, G to C, E to C, and H to G. Two-way passages are between A and E, G and B, F and D, and E and D.
View Answer for: While travelling from C to H, which one of the following stations must be passed through?While travelling from C to H, which one of the following stations must be passed through?
- View Answer for: Consider the following relationships among members of a family of six persons A, B, C, D, E, and F: The number of males equals that of females. A and E are sons of F. D is the mother of two, one boy and one girl. B is the son of A. There is only one married couple in the family at present.Which one of the following inferences can be drawn from the above?
Consider the following relationships among members of a family of six persons A, B, C, D, E, and F:
- The number of males equals that of females.
- A and E are sons of F.
- D is the mother of two, one boy and one girl.
- B is the son of A.
- There is only one married couple in the family at present.
Which one of the following inferences can be drawn from the above?
- View Answer for: In a group of six women, there are four tennis players, four postgraduates in Sociology, one postgraduate in Commerce, and three bank employees. Vimala and Kamla are the bank employees while Amala and Komala are unemployed. Komala and Nirmala are among the tennis players. Amala, Kamla, Komala, and Nirmala are postgraduates in Sociology, of whom two are bank employees. If Shyamala is a postgraduate in Commerce, who among the following is both a tennis player and a bank employee?
In a group of six women, there are four tennis players, four postgraduates in Sociology, one postgraduate in Commerce, and three bank employees. Vimala and Kamla are the bank employees while Amala and Komala are unemployed. Komala and Nirmala are among the tennis players. Amala, Kamla, Komala, and Nirmala are postgraduates in Sociology, of whom two are bank employees. If Shyamala is a postgraduate in Commerce, who among the following is both a tennis player and a bank employee?
No supporters of ‘party X’, who knew Z and supported his campaign strategy, agreed for the alliance with ‘party Y’; but some of them had friends in ‘party Y’.
View Answer for: With reference to the above information, consider the following statements: Some supporters of ‘party X’ knew Z. Some supporters of ‘party X’, who opposed Z’s campaign strategy, knew Z. No supporters of ‘party X’ supported Z’s campaign strategy.Which of the statements given above is/are not correct?With reference to the above information, consider the following statements:
- Some supporters of ‘party X’ knew Z.
- Some supporters of ‘party X’, who opposed Z’s campaign strategy, knew Z.
- No supporters of ‘party X’ supported Z’s campaign strategy.
Which of the statements given above is/are not correct?
- View Answer for: The sum of income of A and B is more than that of C and D taken together. The sum of income of A and C is the same as that of B and D taken together. Moreover, A earns half as much as the sum of the income of B and D. Whose income is the highest?
The sum of income of A and B is more than that of C and D taken together. The sum of income of A and C is the same as that of B and D taken together. Moreover, A earns half as much as the sum of the income of B and D. Whose income is the highest?
- View Answer for: Examine the following statements: All colors are pleasant. Some colors are pleasant. No color is pleasant. Some colors are not pleasant.Given that statement 4 is true, what can be definitely concluded?
Examine the following statements:
- All colors are pleasant.
- Some colors are pleasant.
- No color is pleasant.
- Some colors are not pleasant.
Given that statement 4 is true, what can be definitely concluded?
A, B, C, D, E, F, and G are Lecturers from different cities — Hyderabad, Delhi, Shillong, Kanpur, Chennai, Mumbai, and Srinagar (not necessarily in the same order) who participated in a conference. Each one of them is specialized in a different subject, viz., Economics, Commerce, History, Sociology, Geography, Mathematics, and Statistics (not necessarily in the same order). Further:
- Lecturer from Kanpur is specialized in Geography.
- Lecturer D is from Shillong.
- Lecturer C from Delhi is specialized in Sociology.
- Lecturer B is specialized in neither History nor Mathematics.
- Lecturer A who is specialized in Economics does not belong to Hyderabad.
- Lecturer F who is specialized in Commerce belongs to Srinagar.
- Lecturer G who is specialized in Statistics belongs to Chennai.
View Answer for: Who is specialized in Geography?Who is specialized in Geography?
- View Answer for: In a certain code, ‘256’ means ‘red colour chalk’, ‘589’ means ‘green colour flower’ and ‘254’ means ‘white colour chalk’. The digit in the code that indicates ‘white’ is:
In a certain code, ‘256’ means ‘red colour chalk’, ‘589’ means ‘green colour flower’ and ‘254’ means ‘white colour chalk’. The digit in the code that indicates ‘white’ is:
- View Answer for: If second and fourth Saturdays and all the Sundays are taken as only holidays for an office, what would be the minimum number of possible working days of any month of any year?
If second and fourth Saturdays and all the Sundays are taken as only holidays for an office, what would be the minimum number of possible working days of any month of any year?
- View Answer for: A watch loses 2 minutes in every 24 hours while another watch gains 2 minutes in every 24 hours. At a particular instant, the two watches showed an identical time. Which of the following statements is correct if a 24-hour clock is followed?
A watch loses 2 minutes in every 24 hours while another watch gains 2 minutes in every 24 hours. At a particular instant, the two watches showed an identical time. Which of the following statements is correct if a 24-hour clock is followed?
A, B, C, D, E, F, and G are Lecturers from different cities — Hyderabad, Delhi, Shillong, Kanpur, Chennai, Mumbai, and Srinagar (not necessarily in the same order) who participated in a conference. Each one of them is specialized in a different subject, viz., Economics, Commerce, History, Sociology, Geography, Mathematics, and Statistics (not necessarily in the same order). Further:
- Lecturer from Kanpur is specialized in Geography.
- Lecturer D is from Shillong.
- Lecturer C from Delhi is specialized in Sociology.
- Lecturer B is specialized in neither History nor Mathematics.
- Lecturer A who is specialized in Economics does not belong to Hyderabad.
- Lecturer F who is specialized in Commerce belongs to Srinagar.
- Lecturer G who is specialized in Statistics belongs to Chennai.
View Answer for: Who of the following belongs to Hyderabad?Who of the following belongs to Hyderabad?
- View Answer for: Consider the following: A + B means A is the son of B. A – B means A is the wife of B.What does the expression $P + R – Q$ mean?
Consider the following:
- A + B means A is the son of B.
- A – B means A is the wife of B.
What does the expression mean?
- View Answer for: A, B, C, D, E, F, G, and H are standing in a row facing North. B is not the neighbor of G. F is to the immediate right of G and the neighbor of E. G is not at the extreme end. A is sixth to the left of E. H is sixth to the right of C.Which one of the following is correct in respect of the above?
A, B, C, D, E, F, G, and H are standing in a row facing North.
- B is not the neighbor of G.
- F is to the immediate right of G and the neighbor of E.
- G is not at the extreme end.
- A is sixth to the left of E.
- H is sixth to the right of C.
Which one of the following is correct in respect of the above?
- View Answer for: Mean $ < $ Median $ < $ Mode, then the distribution is
Mean Median Mode, then the distribution is
- View Answer for: A bag contains 20 balls: 8 balls are green, 7 are white, and 5 are red. What is the minimum number of balls that must be picked up from the bag blindfolded (without replacing any of them) to be assured of picking at least one ball of each color?
A bag contains 20 balls: 8 balls are green, 7 are white, and 5 are red. What is the minimum number of balls that must be picked up from the bag blindfolded (without replacing any of them) to be assured of picking at least one ball of each color?
- View Answer for: In a school, there are five teachers A, B, C, D and E, A and B teach Hindi and English. C and B teach English and Geography. D and A teach Mathematics and Hindi. E and B teach History and French. Who teaches the maximum number of subjects?
In a school, there are five teachers A, B, C, D and E, A and B teach Hindi and English. C and B teach English and Geography. D and A teach Mathematics and Hindi. E and B teach History and French. Who teaches the maximum number of subjects?
Eight railway stations A, B, C, D, E, F, G, and H are connected either by two-way passages or one-way passages. One-way passages are from C to A, E to G, B to F, D to H, G to C, E to C, and H to G. Two-way passages are between A and E, G and B, F and D, and E and D.
View Answer for: In how many different ways can a train travel from F to A without passing through any station more than once?In how many different ways can a train travel from F to A without passing through any station more than once?
- View Answer for: Four tests — Physics, Chemistry, Mathematics and Biology are to be conducted on four consecutive days, not necessarily in the same order. The Physics test is held before the test which is conducted after Biology. Chemistry is conducted exactly after two tests are held. Which is the last test held?
Four tests — Physics, Chemistry, Mathematics and Biology are to be conducted on four consecutive days, not necessarily in the same order. The Physics test is held before the test which is conducted after Biology. Chemistry is conducted exactly after two tests are held. Which is the last test held?
A, B, C, D, E, F, and G are Lecturers from different cities — Hyderabad, Delhi, Shillong, Kanpur, Chennai, Mumbai, and Srinagar (not necessarily in the same order) who participated in a conference. Each one of them is specialized in a different subject, viz., Economics, Commerce, History, Sociology, Geography, Mathematics, and Statistics (not necessarily in the same order). Further:
- Lecturer from Kanpur is specialized in Geography.
- Lecturer D is from Shillong.
- Lecturer C from Delhi is specialized in Sociology.
- Lecturer B is specialized in neither History nor Mathematics.
- Lecturer A who is specialized in Economics does not belong to Hyderabad.
- Lecturer F who is specialized in Commerce belongs to Srinagar.
- Lecturer G who is specialized in Statistics belongs to Chennai.
View Answer for: To which city does the Lecturer specialized in Economics belong?To which city does the Lecturer specialized in Economics belong?
- View Answer for: Six boys A, B, C, D, E and F play a game of cards. Each has a pack of 10 cards. F borrows 2 cards from A and gives away 5 to C, who in turn gives 3 to B while B gives 6 to D who passes on 1 to E. Then the number of cards possessed by D and E is equal to the number of cards possessed by:
Six boys A, B, C, D, E and F play a game of cards. Each has a pack of 10 cards. F borrows 2 cards from A and gives away 5 to C, who in turn gives 3 to B while B gives 6 to D who passes on 1 to E. Then the number of cards possessed by D and E is equal to the number of cards possessed by:
No supporters of ‘party X’, who knew Z and supported his campaign strategy, agreed for the alliance with ‘party Y’; but some of them had friends in ‘party Y’.
View Answer for: With reference to the above information, which one among the following statements must be true?With reference to the above information, which one among the following statements must be true?
- View Answer for: 15 students failed in a class of 52. After removing the names of failed students, a merit order list has been prepared in which the position of Ramesh is 22nd from the top. What is his position from the bottom?
15 students failed in a class of 52. After removing the names of failed students, a merit order list has been prepared in which the position of Ramesh is 22nd from the top. What is his position from the bottom?
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