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UPSC CSE Prelims 2013 — Logical Reasoning Questions with Answers
All 21 Logical Reasoning previous-year questions from UPSC CSE Prelims 2013, each with the correct answer and a full explanation. Practise them as a free, timed mock test with instant scoring.
Practice Logical Reasoning as a timed test →- Q1.Statements and Conclusions
Consider the following statements: (i) A primary group is relatively smaller in size. (ii) Intimacy is an essential characteristic of a primary group. (iii) A family may be an example of a primary group. In the light of the above statements, which one of the following is true?
- a)Members of a primary group know each other intimately.
- b)All primary groups are families.
- c)A group of smaller size is always a primary group.
- d)All families are primary groups.
- Q2.Ordering and Ranking
Four friends, A, B, C and D distribute some money among themselves in such a manner that A gets one less than B, C gets 5 more than D, D gets 3 more than B. Who gets the smallest amount?
- a)A
- b)B
- c)C
- d)D
- Q3.Network/Route Analysis
Five cities P, Q, R, S and T are connected by different modes of transport as follows: P and Q are connected by boat as well as rail. S and R are connected by bus and boat. Q and T are connected by air only. P and R are connected by boat only. T and R are connected by rail and bus. Which mode of transport would help one to reach R starting from Q, but without changing the mode of transport?
- a)Boat
- b)Rail
- c)Bus
- d)Air
- Q4.Network/Route Analysis
Five cities P, Q, R, S and T are connected by different modes of transport as follows: P and Q are connected by boat as well as rail. S and R are connected by bus and boat. Q and T are connected by air only. P and R are connected by boat only. T and R are connected by rail and bus. If a person visits each of the places starting from P and gets back to P, which of the following places must he visit twice?
- a)Q
- b)R
- c)S
- d)T
- Q5.Network/Route Analysis
Five cities P, Q, R, S and T are connected by different modes of transport as follows: P and Q are connected by boat as well as rail. S and R are connected by bus and boat. Q and T are connected by air only. P and R are connected by boat only. T and R are connected by rail and bus. Which one of the following pairs of cities is connected by any of the routes directly without going to any other city?
- a)P and T
- b)T and S
- c)Q and R
- d)None of these
- Q6.Network/Route Analysis
Five cities P, Q, R, S and T are connected by different modes of transport as follows: P and Q are connected by boat as well as rail. S and R are connected by bus and boat. Q and T are connected by air only. P and R are connected by boat only. T and R are connected by rail and bus. Between which two cities among the pairs of cities given below are there maximum travel options available?
- a)Q and S
- b)P and R
- c)P and T
- d)Q and R
- Q7.Team Selection
A tennis coach is trying to put together a team of four players for the forthcoming tournament. For this 7 players are available; males A, B and C; and females W, X, Y and Z. All players have equal capability and at least 2 males will be there in the team. For a team of four, all players must be able to play with each other. But, B cannot play with W, C cannot play with Z and W cannot play with Y. If Y is selected and B is rejected, the team will consist of which one of the following groups?
- a)A, C, W and Y
- b)A, C, X and Y
- c)A, C, Y and Z
- d)A, W, Y and Z
- Q8.Team Selection
A tennis coach is trying to put together a team of four players for the forthcoming tournament. For this 7 players are available; males A, B and C; and females W, X, Y and Z. All players have equal capability and at least 2 males will be there in the team. For a team of four, all players must be able to play with each other. But, B cannot play with W, C cannot play with Z and W cannot play with Y. If B is selected and Y is rejected, the team will consist of which one of the following groups?
- a)A, B, C and W
- b)A, B, C and Z
- c)A, B, C and X
- d)A, W, Y and Z
- Q9.Team Selection
A tennis coach is trying to put together a team of four players for the forthcoming tournament. For this 7 players are available; males A, B and C; and females W, X, Y and Z. All players have equal capability and at least 2 males will be there in the team. For a team of four, all players must be able to play with each other. But, B cannot play with W, C cannot play with Z and W cannot play with Y. If all the three males are selected, then how many combinations of four member teams are possible?
- a)1
- b)2
- c)3
- d)4
- Q10.Selection with Conditions
The music director of a film wants to select four persons to work on different aspects of the composition of a piece of music. Seven persons are available for this work; they are Rohit, Tanya, Shobha, Kaushal, Kunal, Mukesh and Jaswant. Rohit and Tanya will not work together. Kunal and Shobha will not work together. Mukesh and Kunal want to work together. Which of the following is the most acceptable group of people that can be selected by the music director?
- a)Rohit, Shobha, Kunal and Kaushal
- b)Tanya, Kaushal, Shobha and Rohit
- c)Tanya, Mukesh, Kunal and Jaswant
- d)Shobha, Tanya, Rohit and Mukesh
- Q11.Seating Arrangement
Five people A, B, C, D and E are seated about a round table. Every chair is spaced equidistant from adjacent chairs. (i) C is seated next to A. (ii) A is seated two seats from D. (iii) B is not seated next to A. Which of the following must be true? (I) D is seated next to B. (II) E is seated next to A. Select the correct answer from the codes given below:
- a)I only
- b)II only
- c)Both I and II
- d)Neither I nor II
- Q12.Statements and Conclusions
Out of four friends A, B, C and D, A and B play football and cricket, B and C play cricket and hockey, A and D play basketball and football, C and D play hockey and basketball. Who does not play hockey?
- a)D
- b)C
- c)B
- d)A
- Q13.Statements and Conclusions
Out of four friends A, B, C and D, A and B play football and cricket, B and C play cricket and hockey, A and D play basketball and football, C and D play hockey and basketball. Who plays football, basketball and hockey?
- a)D
- b)C
- c)B
- d)A
- Q14.Statements and Conclusions
Out of four friends A, B, C and D, A and B play football and cricket, B and C play cricket and hockey, A and D play basketball and football, C and D play hockey and basketball. Which game do B, C and D play?
- a)Basketball
- b)Hockey
- c)Cricket
- d)Football
- Q15.Logical Deduction
Geeta is older than her cousin Meena. Meena's brother Bipin is older than Geeta. When Meena and Bipin visit Geeta, they like to play chess. Meena wins the game more often than Geeta. Based on the above information, four conclusions, as given below, have been made. Which one of these logically follows from the information given above?
- a)While playing chess with Geeta and Meena, Bipin often loses.
- b)Geeta is the oldest among the three.
- c)Geeta hates to lose the game.
- d)Meena is the youngest of the three.
- Q16.Logical Matching
A, B, C, D and E belong to five different cities P, Q, R, S and T (not necessarily in that order). Each one of them comes from a different city. Further it is given that: 1. B and C do not belong to Q. 2. B and E do not belong to P and R. 3. A and C do not belong to R, S and T. 4. D and E do not belong to Q and T. Which one of the following statements is not correct?
- a)C belongs to P
- b)D belongs to R
- c)A belongs to Q
- d)B belongs to S
- Q17.Logical Deduction
Seven men, A, B, C, D, E, F and G are standing in a queue in that order. Each one is wearing a cap of a different colour like violet, indigo, blue, green, yellow, orange and red. D is able to see in front of him green and blue, but not violet. E can see violet and yellow, but not red. G can see caps of all colours other than orange. If E is wearing an indigo coloured cap, then the colour of the cap worn by F is
- a)Blue
- b)Violet
- c)Red
- d)Orange
- Q18.Number Pattern
Consider the following matrix (rows give a left number, a middle number and a right number): Row with left value 3: middle 370, right 7 Row with left value 2: middle 224, right 6 Row with left value 1: middle 730, right X What is the number at 'X' in the above matrix?
- a)5
- b)8
- c)9
- d)11
- Q19.Number Pattern
Examine the following three figures in which the numbers follow a specific pattern. First figure has top number 84 with bottom numbers 14 and 12. Second figure has top number 81 with bottom numbers 18 and 9. Third figure has top number 88 with bottom numbers 11 and a missing number (?). The missing number (?) in the third figure above is
- a)7
- b)16
- c)21
- d)28
- Q20.Spatial Reasoning
A cube has six numbers marked 1, 2, 3, 4, 5 and 6 on its faces. Three views of the cube are shown: first view shows top face 1 with side faces 4 and 1; second view shows top face 3 with side faces 2 and 5; third view shows top face 3 with side faces 5 and 6. What possible numbers can exist on the two faces marked (alpha) and (beta), respectively on the cube (where alpha is on top and beta is on a side as shown in the unmarked view)?
- a)2 and 3
- b)6 and 1
- c)1 and 4
- d)3 and 1
- Q21.Sets / Venn
Out of 120 applications for a post, 70 are male and 80 have a driver's license. What is the ratio between the minimum to maximum number of males having driver's license?
- a)1 to 2
- b)2 to 3
- c)3 to 7
- d)5 to 7
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