UPSC Previous Year question paper -1996- 2000- Mental Ability, Analytical & Logical Reasoning



UPSC previous year question paper of subject Mental Ability, Analytical & Logical Reasoning from the year 1996- 2000 with answers.



#1. A, B, C, D, E and F not necessarily in that order are sitting in six chairs regularly placed around a round table. It is observed that. A is between D and F C is opposite to D D and E are not on neighbouring chairs Which one of the following must be true [2000]

#2. In a certain code, MARCH is written as OCTEJ, how is RETURN written in that code? [2000]

#3. Examine the following relationships among members of a family of six persons A, B, C, D, E and F. [2000] 1. The number of males equals that of females 2. A and E are sons of F. 3. D is the mother of two, one boy and one girl 4. B is the son of A 5. There is only one married couple in the family at present Which one of the following inferences can be drawn from the above?

#4. In a code language, 'SOLID' is ,written as 'WPSLPIMFHA', What does the code' ATEXXQIBVO' refer to? [1999]

#5. On another planet, the local terminology for earth, water, light, air and sky are 'sky', 'light', 'air', 'water' and 'earth' respectively. If someone is thirsty there, what would he drink? [1999]

#6. In a group of five people, K, L and M are ambitious, M, N, and R are honest, L, M and N are intelligent and K, N and R are industrious. Among these neither industrious nor ambitious person(s) would include [1999]

#7. If in a certain code SAND is VDQG and BIRD is ELUG, then what is the code for LOVE? [1998]

#8. Which one of the following satisfies relationship Dda: aDD : : Rrb : ? [1998]

#9. A, B, C, D, E, F and G are members of a family consisting of 4 adults and 3 children, two of whom, F and G are girls. A and D are brothers and A is a doctor. E is an engineer married to one of the brothers and has two children. B is married to D and G is their child. Who is C ? [1998]

#10. In a dinner party both fish and meat were served. Some took only fish and some only meat. There were some vegetarians who did not accept either. The rest accepted both fish and meat Which one of the following logic diagrams correctly reflects the above situation? [1998]

#11. Examine the following statements: [1998] 1. All members of Mohan's family are honest 2. Some members of Mohan's family are not employed 3. Some employed persons are not honest 4. Some honest persons are not employed Which one of the following inferences can be drawn from the above statements?

#12. In the above set of figures (I) to (IV), some parts are shown to change their position in a regular direction. Following the same sequence, which one of the following will appear at the fifth stage? [1998]

#13. Consider the figures given below: [1997] In the given sequence of figures, the figure that would logically appear at 5 is

#14. Examine the following statements regarding a set of balls [1997] 1. All balls are black 2. All balls are white 3. Only some balls are black 4. No balls are black Assuming that the balls can only be black or white, which two of the statements given above can both be true, but cannot both be false? Choose the correct answer from the codes given below:

#15. In the series POQ, SRT, VUW, _________, the blank space refers to [1997]

#16. Two important characteristics of a hypothesis are that it should be testable and that it should be stated in a manner that it can be refuted. Which one of the following hypothesis fulfills these characteristics? [1996]

#17. In an accurate clock, in a period of 2 hours 20 minutes (140 minutes), the minute hand will move over [1996]

#18. Examine the following statements: [1996] 1 George attends Music classes on Monday 2. He attends Mathematics classes on Wednesday 3. His Literature classes are not on Friday 4. He attends History classes on the day following the day of his Mathematics classes 5. On Tuesday he attends his Sports classes. If he attends just one subject in a day and his Sunday is free, then he is also free on

#19. The next pair of letters in the series AZ, CX, FU.............. is [1996]

#20. In the given figure, the triangle represents girls, the square represents sports persons and the circle represents coaches. The portion in the figure which represents girls who are sports persons but not coaches is the one labelled, as [1996]

#21. Which one of the following Venn diagrams correctly illustrates the relationship among the classes: Carrot, Food, Vegetable? [1996]

#22. Six roads lead to a country. They may be indicated by letters X, Y, Z and digits 1, 2, 3. When there is storm, Y is blocked. When there are floods X, 1 and 2 will be affected. When road 1 is blocked, Z also is blocked. At a time when there are floods and a storm also blows, which road(s) can be used ? [1996]

#23. Which of the following can be inferred from the statement that "Either John is stupid or John is lazy" ? [1995] 1. John is lazy/therefore, John is not stupid 2. John is not lazy/therefore, John is stupid 3 John is not stupid/therefore, John is lazy 4. John is stupid/therefore, John is not lazy Codes:

#24. Examine the following statements : [1995] I All children are inquisitive II. Some children are inquisitive III. No children are inquisitive IV. Some children are not inquisitive Among these statements the two statements which cannot both be true simultaneously but can both be false, would be

#25. 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 [1995]

#26. In the given diagram, circle A represents teachers who can teach Physics, circle B represents teachers who can teach Chemistry and circle C represents those who can teach Mathematics. Among these, which represents teachers who can teach Physics and Mathematics but not Chemistry, is [1995]

#27. Consider the series given below: 4/12/95, 1/1/96, 29/1/96, 26/2/96, .... The next term of the series is [1995]


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