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Mechanical Engineering Exam  >  Mechanical Engineering Tests  >  General Aptitude for GATE  >  Test: Syllogism - 2 - Mechanical Engineering MCQ

Test: Syllogism - 2 - Mechanical Engineering MCQ


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10 Questions MCQ Test General Aptitude for GATE - Test: Syllogism - 2

Test: Syllogism - 2 for Mechanical Engineering 2024 is part of General Aptitude for GATE preparation. The Test: Syllogism - 2 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Syllogism - 2 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Syllogism - 2 below.
Solutions of Test: Syllogism - 2 questions in English are available as part of our General Aptitude for GATE for Mechanical Engineering & Test: Syllogism - 2 solutions in Hindi for General Aptitude for GATE course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt Test: Syllogism - 2 | 10 questions in 10 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study General Aptitude for GATE for Mechanical Engineering Exam | Download free PDF with solutions
Test: Syllogism - 2 - Question 1
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Statements: All green are blue. All blue are white.

Conclusions:

  1. Some blue are green.
  2. Some white are green.
  3. Some green are not white.
  4. All white are blue.

Detailed Solution for Test: Syllogism - 2 - Question 1

 

So Option A is correct

Test: Syllogism - 2 - Question 2
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Statements: All men are vertebrates. Some mammals are vertebrates.

Conclusions:

  1. All men are mammals.
  2. All mammals are men.
  3. Some vertebrates are mammals.
  4. All vertebrates are men.

Detailed Solution for Test: Syllogism - 2 - Question 2

So Option C is correct

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Test: Syllogism - 2 - Question 3
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Statements: All the phones are scales. All the scales are calculators.

Conclusions:

  1. All the calculators are scales.
  2. All the phones are calculators
  3. All the scales are phones.
  4. Some calculators are phones.

Detailed Solution for Test: Syllogism - 2 - Question 3

So Option C is correct

Test: Syllogism - 2 - Question 4
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Statements: Some pens are books. Some books are pencils.

Conclusions:

  1. Some pens are pencils.
  2. Some pencils are pens.
  3. All pencils are pens.
  4. All books are pens.
Detailed Solution for Test: Syllogism - 2 - Question 4

So Option E is correct

Test: Syllogism - 2 - Question 5
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Statements: All the goats are tigers. All the tigers are lions.

Conclusions:

  1. All the goats are lions.
  2. All the lions are goats.
  3. Some lions are goats.
  4. Some tigers are goats.
Detailed Solution for Test: Syllogism - 2 - Question 5

So Option B is correct

Test: Syllogism - 2 - Question 6
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Statements: All the books are pencils. No pencil is eraser.

Conclusions:

  1. All the pencils are books.
  2. Some erasers are books.
  3. No book is eraser.
  4. Some books are erasers.
Detailed Solution for Test: Syllogism - 2 - Question 6

So Option A is correct

Test: Syllogism - 2 - Question 7
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Statements: All the research scholars are psychologists. Some psychologists are scientists.

Conclusions:

  1. All the research scholars are scientists.
  2. Some research scholars are scientists.
  3. Some scientists are psychologists.
  4. Some psychologists are research scholars.
Detailed Solution for Test: Syllogism - 2 - Question 7

So Option A is correct

Test: Syllogism - 2 - Question 8
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Statements:
Some fruits are mangos.
All mangos are guavas.
No guava is a banana.
Conclusions:
I. All guavas are fruits.
II. Some guavas are fruits
Detailed Solution for Test: Syllogism - 2 - Question 8

Some fruits are mangos.
All mangos are guavas.
I + A => I - type of conclusion
"Some fruits are guavas".
Conclusion II is Converse of it.
All mangos are guavas
No guava is a banana.
A + E => E - type of conclusion
"No mango is a banana

So Option B is correct

Test: Syllogism - 2 - Question 9
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Directions: Each question consists of five statements followed by options consisting of three statements put together in a specific order. Choose the option which indicates a valid argument, that is, where the third statement is a conclusion drawn from the preceding two statements.

A. Traffic congestion increases carbon monoxide in the environment.
B. Increase in carbon monoxide is hazardous to health.
C. Traffic congestion is hazardous to health.
D. Some traffic congestion does not cause increased carbon monoxide.
E. Some traffic congestion is not hazardous to health.
Detailed Solution for Test: Syllogism - 2 - Question 9

BAC is the correct option choice

TC = Instances of traffic congestion
ICM = Instances of increase in carbon monoxide in the environment
HH = Instances that are hazardous to health.
The premises state that increase in carbon monoxide is hazardous to health and traffic congestion increases carbon monoxide in the environment. Therefore, traffic congestion is hazardous to health.

(a) CBA is invalid, because if TC and ICM are both separately hazardous to health (HH), no definite relationship between TC and ICM necessarily follows.
(b) BDE is invalid, because the some TC that are not ICM need not necessarily be free of any hazard to health (HH); they could possibly pollute the environment with other noxious gases.

The shaded portion shows those some TC that are not ICM, but could possibly be hazardous to health (HH).

(c) CDE is invalid, because the conclusion E is a negation of one of the premises C. Another check reveals the TC is the middle term, which appears in both the premises C and D, and E, therefore, should not appear in the conclusion E, as per the basic definition of a syllogism.

Test: Syllogism - 2 - Question 10
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Directions: Each question consists of five statements followed by options consisting of three statements put together in a specific order. Choose the option which indicates a valid argument, that is, where the third statement is a conclusion drawn from the preceding two statements.

A. All software companies employ knowledge workers.
B. Tara Tech employs knowledge workers.
C. Tara Tech is a software company.
D. Some software companies employ knowledge workers.
E. Tara Tech employs only knowledge workers.
Detailed Solution for Test: Syllogism - 2 - Question 10

ACB is the correct answer choice, as it forms a valid syllogism.

CEKW = Companies that employ knowledge workers
SC = Software companies
TT = Tara Tech

The premises state that all software companies employ knowledge workers and Tara Tech is a software company. Therefore, Tara Tech employs knowledge workers.

(a) ABC is invalid because if Tara Tech employs knowledge workers, it cannot definitely be concluded that it is a software company.
(b) CDB is invalid because if only some software companies employ knowledge workers, Tara Tech may not be among them.
(c) ACE introduces a fourth term, 'Companies that employ only knowledge workers,' and therefore violates the very definition of a syllogism, which must have 3 and only 3 terms.

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