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Question

In each of the questions below are four statements followed by four conclusions numbered I, II, III and IV.
You have to take the four given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the four given statements disregarding commonly known facts. Then, decide which of the answers (a), (b), (c), (d) and (e) is correct and indicate it on the answer sheet.

Statements:-
I. All desks are chairs.
II. All chairs are tables.
III. All tables are boxes.
IV. All boxes are trunks.

Conclusions:-
I. Some trunks are tables.
II. All chairs are boxes.
III. Some boxes are desks.
IV. All desks are trunks.


A
Only I, II and III follow
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B
Only, I, II and IV follow
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C
Only II, III and IV follow
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D
All follow
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E
None of these
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Solution

The correct option is D All follow
Mediate term of the following statements is
All desks are chairs. (A-type)

All charis are tables (A-type)
A+AA type
All desks are tables ......(i)
All chairs are tables (A-type)

All tables are boxes (A-type)
All chairs are boxes...........(ii)

Conclsuion II follows.
All tables are boxes (A-type)

All boxes are trunks (A-type)
All tables are trunks

Conversion Trunks are tables (Conclusion I follows)
All desks are tables [from Eq. (i)]

All tables are boxes
All desks are boxes.....(iii)
All desks are boxes

All boxes are trunks
All desks are trunks (Conclusion IV follows)
[From Eq. (iii)]

All desks are boxes
Conversion some boxes are desks (Conclsuion III follows)

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