UPSC Prelims 2015 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
- View Answer for: Cousins A, B, C, D, E, and F are of different ages. E is the oldest at 22, and the youngest is 17. A is older than B, and C is older than D. F’s age is between B and D, and A is one year older than C. Which of the following is possible?
Cousins A, B, C, D, E, and F are of different ages. E is the oldest at 22, and the youngest is 17. A is older than B, and C is older than D. F’s age is between B and D, and A is one year older than C. Which of the following is possible?
- View Answer for: Consider the following statements followed by two conclusions:Statements: Some men are great. Some men are wise.Conclusions: I. Men are either great or wise. II. Some men are neither great nor wise.Which one of the following is correct?
Consider the following statements followed by two conclusions:
Statements:
- Some men are great.
- Some men are wise.
Conclusions: I. Men are either great or wise. II. Some men are neither great nor wise.
Which one of the following is correct?
- View Answer for: Shahid and Rohit start from the same point in opposite directions. After each 1 km, Shahid always turns left and Rohit always turns right. Which of the following statements is correct?
Shahid and Rohit start from the same point in opposite directions. After each 1 km, Shahid always turns left and Rohit always turns right. Which of the following statements is correct?
- View Answer for: Consider the following matrix: 3 | 8 | 10 | 2 | ? | 1 ----|----|----|----|----|---- 6 | 56 | 90 | 2 | 20 | 0 What is the missing number at ‘?’ in the matrix?
Consider the following matrix:
3 8 10 2 ? 1 6 56 90 2 20 0 What is the missing number at ‘?’ in the matrix?
- View Answer for: Between 6 PM and 7 PM, the minute hand of a clock will be ahead of the hour hand by 3 minutes at:
Between 6 PM and 7 PM, the minute hand of a clock will be ahead of the hour hand by 3 minutes at:
- View Answer for: Examine the following statements: Lady’s finger is tastier than cabbage. Cauliflower is tastier than lady’s finger. Cabbage is not tastier than peas.The conclusion that can be drawn from these statements is that:
Examine the following statements:
- Lady’s finger is tastier than cabbage.
- Cauliflower is tastier than lady’s finger.
- Cabbage is not tastier than peas.
The conclusion that can be drawn from these statements is that:
- View Answer for: Consider the figure given below:11To fit the question mark, the correct answer is:
- View Answer for: All good athletes want to win, and all athletes who want to win eat a well-balanced diet; therefore, all athletes who do not eat a well-balanced diet are bad athletes. The best conclusion from this statement is that
All good athletes want to win, and all athletes who want to win eat a well-balanced diet; therefore, all athletes who do not eat a well-balanced diet are bad athletes. The best conclusion from this statement is that
- View Answer for: Out of 130 students appearing in an examination, 62 failed in English, 52 failed in Mathematics, whereas 24 failed in both English and Mathematics. The number of students who passed finally is
Out of 130 students appearing in an examination, 62 failed in English, 52 failed in Mathematics, whereas 24 failed in both English and Mathematics. The number of students who passed finally is
- View Answer for: Each of the six different faces of a cube has been coated with a different color, i.e., V, I, B, G, Y, and O. Following information is given: Colors Y, O, and B are on adjacent faces. Colors I, G, and Y are on adjacent faces. Colors B, G, and Y are on adjacent faces.Which is the color of the face opposite to the face colored with O?
Each of the six different faces of a cube has been coated with a different color, i.e., V, I, B, G, Y, and O. Following information is given:
- Colors Y, O, and B are on adjacent faces.
- Colors I, G, and Y are on adjacent faces.
- Colors B, G, and Y are on adjacent faces.
Which is the color of the face opposite to the face colored with O?
- View Answer for: Usha runs faster than Kamala, Priti runs slower than Swati, and Swati runs slower than Kamala. Who is the slowest runner?
Usha runs faster than Kamala, Priti runs slower than Swati, and Swati runs slower than Kamala. Who is the slowest runner?
- View Answer for: A group consists of Anil, David, Shabnam, and Rekha. Anil speaks Tamil, Shabnam speaks Marathi, and both Rekha and David can drive. Only one man and one woman can drive. Which of the following statements is true?
A group consists of Anil, David, Shabnam, and Rekha. Anil speaks Tamil, Shabnam speaks Marathi, and both Rekha and David can drive. Only one man and one woman can drive. Which of the following statements is true?
- View Answer for: Consider the following statements: Life on other heavenly bodies is considered to be a possibility. Voyage to space is now an established fact.From the above statements, it may be concluded that:
Consider the following statements:
- Life on other heavenly bodies is considered to be a possibility.
- Voyage to space is now an established fact.
From the above statements, it may be concluded that:
- View Answer for: Consider the following statements: A man had a wife, two sons, and two daughters in his family. The daughters were invited to a feast, and the male members of the family went out to take part in a picnic. The man’s father did not return from his work.Which of the following statements is true?
Consider the following statements:
- A man had a wife, two sons, and two daughters in his family.
- The daughters were invited to a feast, and the male members of the family went out to take part in a picnic.
- The man’s father did not return from his work.
Which of the following statements is true?
- View Answer for: If A runs less fast than B, and B runs as fast but not faster than C, then as compared to A, C runs
If A runs less fast than B, and B runs as fast but not faster than C, then as compared to A, C runs
- View Answer for: Twelve people form a club. By picking lots, one of them will host a dinner for all once in a month. The number of dinners a particular member has to host in one year is
Twelve people form a club. By picking lots, one of them will host a dinner for all once in a month. The number of dinners a particular member has to host in one year is
- View Answer for: How many logically possible orders of the six cousins (A, B, C, D, E, and F) can be formed in increasing order of age?
How many logically possible orders of the six cousins (A, B, C, D, E, and F) can be formed in increasing order of age?
- View Answer for: A society has fighters and cowards. Cowards are enemies with each other and with fighters, while fighters are indifferent to each other. If A and B are enemies, C and D are friends, E and F are indifferent, A and E are not enemies, and B and F are enemies, which statement is correct?
A society has fighters and cowards. Cowards are enemies with each other and with fighters, while fighters are indifferent to each other. If A and B are enemies, C and D are friends, E and F are indifferent, A and E are not enemies, and B and F are enemies, which statement is correct?
- View Answer for: In a group of persons traveling in a bus, 6 persons can speak Tamil, 15 can speak Hindi, and 6 can speak Gujarati. In that group, none can speak any other language. If 2 persons in the group can speak two languages only, and one person can speak all three languages, then how many persons are there in the group?
In a group of persons traveling in a bus, 6 persons can speak Tamil, 15 can speak Hindi, and 6 can speak Gujarati. In that group, none can speak any other language. If 2 persons in the group can speak two languages only, and one person can speak all three languages, then how many persons are there in the group?
- View Answer for: Four persons A, B, C, and D, consisting of two married couples, are in a group. Both the women are shorter than their respective husbands. A is the tallest among the four. C is taller than B. D is B’s brother.In this context, which one of the following statements is not correct?
Four persons A, B, C, and D, consisting of two married couples, are in a group. Both the women are shorter than their respective husbands. A is the tallest among the four. C is taller than B. D is B’s brother.
In this context, which one of the following statements is not correct?
- View Answer for: The number of persons who read magazine X only is thrice the number of persons who read magazine Y. The number of persons who read magazine Y only is thrice the number of persons who read magazine X. Then, which of the following conclusions can be drawn? The number of persons who read both the magazines is twice the number of persons who read only magazine X. The total number of persons who read either one magazine or both the magazines is twice the number of persons who read both the magazines.Select the correct answer using the code given below:
The number of persons who read magazine X only is thrice the number of persons who read magazine Y. The number of persons who read magazine Y only is thrice the number of persons who read magazine X. Then, which of the following conclusions can be drawn?
- The number of persons who read both the magazines is twice the number of persons who read only magazine X.
- The total number of persons who read either one magazine or both the magazines is twice the number of persons who read both the magazines.
Select the correct answer using the code given below:
- View Answer for: What is the missing number ‘X’ of the series: 7, $X$, 21, 31, 43?
What is the missing number ‘X’ of the series: 7, , 21, 31, 43?
- View Answer for: Four cardboard pieces of specific shapes are shown in the following figure:14Which one of the following figures given can be formed by joining these pieces together?
Four cardboard pieces of specific shapes are shown in the following figure:
Which one of the following figures given can be formed by joining these pieces together?
- View Answer for: Lines X, Y, Z, U, V, and W lie in a plane. Line X is perpendicular to Y and parallel to Z. Line U is perpendicular to both V and W. Line X is also perpendicular to V. Which statement is correct?
Lines X, Y, Z, U, V, and W lie in a plane. Line X is perpendicular to Y and parallel to Z. Line U is perpendicular to both V and W. Line X is also perpendicular to V. Which statement is correct?
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