Syllogism
Direction: In each of the following questions two/three statements are given followed by two/four conclusions I, II, III and IV. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow from the given statements.
- Statements:
(a) Some books are mobiles.
(b) Some calculators are mobiles.
Conclusions:
I. Some mobiles are calculators.
II. Some mobiles are books.
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Both the Premises are Particular Affirmative (I-type). No Conclusion follows from the two Particular Premises.
Correct Option: C
Both the Premises are Particular Affirmative (I-type). No Conclusion follows from the two Particular Premises.
Conclusion I is the Converse of the second Premise.
Conclusion II is the converse of the first Premise.
Direction: In the following questions, two statements are given followed by two conclusions (I) and (II). You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You are to decide which of the given conclusions, if any, follow from the given statements. Indicate your answer.
- Statements:
Some food are sweet.
Some food are sour.
Conclusions:
(I) All food are either sweet or sour.
(II) Some sweets are sour.
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Both the Premises are Particular Affirmative (I-type).
Correct Option: D
Both the Premises are Particular Affirmative (I-type). No Conclusion follows from the two Particular Premises.
Direction: Two statements are given followed by two Conclusions I and II. You have to consider the statements to be true, even if it seems to be at variance from commonly known facts. You are to decide which of the given conclusion can definitely be drawn from the given statement. Indicate your answer.
- Statements:
All pens are pencils.
No pencil is an eraser.
Conclusions:
I. No eraser is a pen.
II. No pen is an eraser.
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The first Premise is Universal Affirmative (A-type)
The second Premise is Universal Negative (E-type).
All pens are pencils. ↔ No pencil is an eraser.Correct Option: C
The first Premise is Universal Affirmative (A-type)
The second Premise is Universal Negative (E-type).
All pens are pencils. ↔ No pencil is an eraser.
A + E ⇒ E-type of Conclusion “No pen is an eraser”.
This is Conclusion II.
Conclusion I is the Converse
Direction: In each of the following questions, one/two statements are given followed by three conclusions. You have to consider the statements to be true even it they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow from the given statements.
- Statements:
Some ladies are beautiful.
Some beautiful. are honest.
All honest are sensitives.
Conclusion 1: Some sensitives are beautiful.
Conclusion 2: Some honest are ladies.
Conclusion 3: Some sensitives are ladies.
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The first and second Premises are Particular Affirmative (I-type).
The third Premise is Universal Affirmative (A-type).
Some beautifuls are honest. ↔ All honest are sensitives.Correct Option: B
The first and second Premises are Particular Affirmative (I-type).
The third Premise is Universal Affirmative (A-type).
Some beautifuls are honest. ↔ All honest are sensitives.
I + A ⇒ I-type of Conclusion “Some beautifuls are sensitives.”
Conclusion 1 is Converse of it.
Direction: Two statements are given followed by two conclusions I and II. You have to consider the two statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow from the given statements.
- Statements:
(a) Some humane creatures are angels.
(b) All doctors are angels.
Conclusions:
I. Some humane creatures are doctors.
II. Some doctors are humane creatures.
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First Premise is Particular Affirmative (I-type).
Second Premise is Universal Affirmative (A-type).
All doctors are angels. ↔ Some angels are human creatures.Correct Option: D
First Premise is Particular Affirmative (I-type).
Second Premise is Universal Affirmative (A-type).
All doctors are angels. ↔ Some angels are human creatures.
A + I = No Conclusion