UPSC 1996 › CSAT › Logical Reasoning

8 questions · 1996 · answers as per the UPSC key

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UPSC 1996 · Q131 · CSAT › Logical Reasoning · Save

Examine the following statements:

I. George attends Music classes on Monday. II. He attends Mathematics classes on Wednesday. III. His Literature classes are not on Friday. IV. He attends History classes on the day following the day of his Mathematics classes. V. 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

(a) Monday
(b) Thursday
(c) Saturday
(d) Friday
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Answer: (d) Friday
UPSC 1996 · Q135 · CSAT › Logical Reasoning · Save

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 hypotheses fulfils these characteristics?

(a) Intelligent persons have good memory
(b) Some birds are animals
(c) Some businessmen are dishonest
(d) All men are mortal
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Answer: (a) Intelligent persons have good memory
UPSC 1996 · Q139 · CSAT › Logical Reasoning · Save

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?

(a) Z and 2
(b) Only Z
(c) Only 3
(d) Only Y
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Answer: (c) Only 3
UPSC 1996 · Q141 · CSAT › Logical Reasoning · Save

Which one of the following Venn diagrams correctly illustrates the relationship among the classes: Carrot, Food, Vegetable?

(a) diagram (a)
(b) diagram (b)
(c) diagram (c)
(d) diagram (d)
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Answer: (a) diagram (a)
This question uses a table or figure from the original paper that is not reproduced here.
UPSC 1996 · Q143 · CSAT › Logical Reasoning · Save

In the given figure, the triangle represents girls, the square represents sportspersons and the circle represents coaches. The portion in the figure which represents girls who are sportspersons but not coaches is the one labelled

(a) A
(b) B
(c) D
(d) E
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Answer: (b) B
This question uses a table or figure from the original paper that is not reproduced here.
UPSC 1996 · Q144 · CSAT › Logical Reasoning · Save

The next pair of letters in the series AZ, CX, FU, ...... is

(a) JQ
(b) KP
(c) IR
(d) IV
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Answer: (a) JQ
UPSC 1996 · Q145 · CSAT › Logical Reasoning · Save

Mouse is to cat as fly is to

(a) rat
(b) animal
(c) spider
(d) horse
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Answer: (c) spider
UPSC 1996 · Q150 · CSAT › Logical Reasoning · Save

A man starts walking in the north-easterly direction from a particular point. After walking a distance of 500 metres, he turns southward and walks a distance of 400 metres. At the end of this walk he is situated

(a) 300 metres north of the starting point
(b) 100 metres north-east of the starting point
(c) 300 metres east of the starting point
(d) 100 metres north of the starting point
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Answer: (c) 300 metres east of the starting point