Reasoning Questions: Syllogism Set 31

October 14, 2016

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Statements:
Some light are sound. All sounds are air. No air is dust.
Conclusions:
I.All dust being light is a possibility.
II.All light being air is a possibility.
III.All sound being light is a possibility
1.Only conclusion I does not follow.
2.Only conclusion II does not follow.
3.Only conclusion III does not follow.
4.Both conclusions I and II does not follow.
5.None of these
Answer – 5.None of these
Explanation :
Some +all =some => some+no => some not =>I follow
Some+all => some => possibility exist => II follow
Coversion of I => III => III follow
Statements:
Some P are Q. Some Q are R. All R are S. Some S are T.
Conclusions:
I.Some P are not R.
II.Some S are R.
III.Some P are S.
IV.At least some R are T.
1.Only II and III follow
2.All follow
3.Only II follows
4.None follows
5.None of these
Answer – 3.Only II follows
Explanation : Some + Some => No conclusion=>I does not follow.
All R are S => Some S are R=> II follows
Some + All = Some = Some = Some+some = No conclusion => III does not follow.
All + Some = No conclusion => IV does not follow.
Statement:
Some grapes are fruits. No fruits is a apples. All apples are mangoes.
Conclusions:
I.Some fruits are definitely not mangoes.
II.Some apples are not grapes.
III.Some grapess being not mangoes is a possibility.
1.Only conclusion I does not follow.
2.Only conclusion II does not follow.
3.Only conclusion III does not follow.
4.Both conclusions I and III does not follow.
5.Only conclusion III follow
Answer –5.Only conclusion III follow
Explanation :
All+no =no => I not follow
some +no => some not =>but reverses=> ii not follow
Possibility exist => iii follow
Statements:
No student is teacher. No teacher is HM.No HM is Professional.
Conclusions:
I.Some students are professionals.
II.Some teachers being professionals is a possibility.
1.if only conclusion I follows.
2.if only conclusion II follows.
3.if either conclusion I or conclusion II follows.
4.if neither conclusion I nor conclusion II follows.
5.if both conclusions I and II follow.
Answer – 2.if only conclusion II follows.
Explanation :
No +No = No conclusion.
No=> possibility exist
Statements:
All water are juice. All juices are liquids.No liquids is a milk.No milk is a curd.
Conclusions:
I.All water are liquids.
II.At least some juices are curd.
III.No liquid is a curd.
IV.No Juice is a milk.
1.All follow
2.Only I,II and IV follow
3.Only I and IV follow
4.None follows
5.None of these
Answer – 3.Only I and IV follow
Explanation :
All+all = all => I follow
All+no = no => IV follows.
No+No=No conclusion=>II and III do not follow.
Statements:
Some pen are pencil.Some pencil are paper. All paper are eraser.No eraser is box.
Conclusions:
I.No box is paper.
II.Some pencil are Eraser.
III. Some box are Pen.
IV.No box is pen.
1.Only I and II follow
2.Only either III or IV follows
3.Only I and either III or IV follow
4.Only I, II and either III or IV follow
5.None of these
Answer – 4.Only I, II and either III or IV follow
Explanation :
All+no =no => I follow
Some+all =some => II follow
Some box are Pen. & No box is pen => either or case
Statements:
All car are van. Some van are bike.Some bike are cycle. No cycle is bus.
Conclusions:
I.No bus is bike.
II.Some bike are car.
III. Some bus are car.
IV.Some bus are bike.
1.None follows
2.Only either I or IV follows
3.Only I follows
4.Only III & IV follow
5.All follow
Answer – 2.Only either I or IV follows
Explanation :
No bus is bike & Some bus are bike => either or case
All+some = no conclusion => ii not follow
No relationship exist between bus and car => iii not follow
Statements:
Some A are B. Some B are C.All C are D.All D are E.
Conclusions:
I.Some D are B.
II.Some E are B.
III. Some E are C.
IV.Some D are A.
1.Only I & II follow
2.Only II & III follow
3.Only I, II and III follow
4.All follow
5.None of these
Answer – 3.Only I, II and III follow
Explanation :
Some+all = some => I follow
All+all =all ; some +all = some => ii follow
All+all = all => iii follow
All+all = all; all+some = some; some+some => no conclusion => iv not follow
Statements:
All beach are park. Some park are garden. Some garden are zoo. All zoo are Sanctuary.
Conclusions:
I.Some garden are sanctuary.
II.Some zoo are park.
III. Some park are beach.
IV.All beaches are sanctuaries.
1.None follows
2.Only I and III follows
3.Only III follows
4) Only either I or II follows
5) None of these
Answer – 2.Only I and III follows
Explanation :
Some+all = some => I follow
Some+some = no conclusion => ii not follow
All=> some => iii follow
No relationship exist => iv not follow
Statements:
Some building are class.All class are school.All school are college. Some college are university.
Conclusions:
I.Some university are school.
II.Some university are class.
III. All school are class.
IV.Some university are building.
1.Only I,II,III follows
2.Only I follows
3.Only II follows
4) Only II & III follow
5.None of these
Answer – 5.None of these
Explanation :
All+all = all => all+some = no conclusion => I,II not follow
All class are school => All school are class => III not follow
Some+all = some; some+some => no conclusion => IV not follow