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Test: Syllogism - 1 - UPSC MCQ


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10 Questions MCQ Test CSAT Preparation - Test: Syllogism - 1

Test: Syllogism - 1 for UPSC 2024 is part of CSAT Preparation preparation. The Test: Syllogism - 1 questions and answers have been prepared according to the UPSC exam syllabus.The Test: Syllogism - 1 MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Syllogism - 1 below.
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Test: Syllogism - 1 - Question 1

Instructions (Q1 to Q10): In each of the following questions two statements are given and these statements are followed by two conclusions numbered (1) and (2). You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.
Statement I: Some batteries are cells.
Statement II: All cells are chargers.

Conclusion I: Some cells are chargers.
Conclusion II: All chargers are cells.

Detailed Solution for Test: Syllogism - 1 - Question 1



Conclusion I: Some cells are chargers → Follows (In the above diagram shows there is a relation between cells and charges.)
Conclusion II: All chargers are cells → Not follows (It is possible but not definite)

Hence, the correct answer is "Only conclusion I follows ".

Test: Syllogism - 1 - Question 2

Statements:
All the harmoniums are instruments.
All the instruments are flutes.

Conclusions:
(1) All the flutes are instruments.
(2) All the harmoniums are flutes.

Detailed Solution for Test: Syllogism - 1 - Question 2

Since all the harmoniums are instruments and all instruments are flutes, then flutes include instruments and harmoniums. And instruments include harmoniums.
(i) All flutes cannot be instruments, because instruments are flutes, but flutes can contain something else as well.
(ii) All the harmoniums are flutes because harmoniums are instruments and instruments are flutes.

Test: Syllogism - 1 - Question 3

Statements:
Some mangoes are yellow.
Some tixo are mangoes.

Conclusions:
(1) Some mangoes are green.
(2) Tixo is a yellow.

Detailed Solution for Test: Syllogism - 1 - Question 3

From the image:

  • Some mangoes are green. No
  • Tixo is a yellow. maybe or may not be

Neither of the conclusions follows.

Test: Syllogism - 1 - Question 4

Statements:
Some ants are parrots.
All the parrots are apples.

Conclusions:
1. All the apples are parrots.
2. Some ants are apples.

Detailed Solution for Test: Syllogism - 1 - Question 4

From the above Venn diagram we made some assumptions on conclusion:

  • All apples are parrots: False.
  • Some ants are apples: True.

Therefore only the second conclusion is True.

Hence the correct answer is option B.

Test: Syllogism - 1 - Question 5

Statements:
Some papers are pens.
All the pencils are pens.

Conclusions:
1. Some pens are pencils.
2. Some pens are papers.

Detailed Solution for Test: Syllogism - 1 - Question 5

Both (1) and (2) follow because the statement "some papers are pens" can be converted into "some pens are papers" and the statement "all pencils are pens" can be converted into "some pens are pencils". Therefore, both (1) and (2) conclusions follows.

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Test: Syllogism - 1 - Question 6

Statements:
All the actors are girls.
All the girls are beautiful.

Conclusions:
1. All the actors are beautiful.
2. Some girls are actors.

Detailed Solution for Test: Syllogism - 1 - Question 6

Test: Syllogism - 1 - Question 7

Statements:
All the windows are doors.
No door is a wall.

Conclusions:
1. Some windows are walls.
2. No wall is a door.

Detailed Solution for Test: Syllogism - 1 - Question 7

  • Since both the premises are universal and one premise is negative, the conclusion must be universal negative.
  • (2) is the converse of the second premise and thus it  holds.
Test: Syllogism - 1 - Question 8

Statements:
All cups are books.
All books are shirts.

Conclusions:
1. Some cups are not shirts.
2. Some shirts are cups.

Detailed Solution for Test: Syllogism - 1 - Question 8

Test: Syllogism - 1 - Question 9

Statements:
Some cows are crows.
Some crows are elephants.

Conclusions:
1. Some cows are elephants.
2. All crows are elephants.

Detailed Solution for Test: Syllogism - 1 - Question 9

Since the middle term is not distributed in both the premises, no conclusion can be framed. Secondly, if both the premises begin with "Some" no conclusion can be reached.

Test: Syllogism - 1 - Question 10

Statements: 
All the pencils are pens.
All the pens are inks.

Conclusions:
1. All the pencils are inks.
2. Some inks are pencils.

Detailed Solution for Test: Syllogism - 1 - Question 10

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