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Conclusion and Arguments -- 1/2012


LOGICAL REASONING -  EVALUATION OF FACTS,
CONCLUSIONS AND ARGUMENTS
Directions :    In the following questions there are two statements followed by two conclusions (a) and (b).  You have to take the two 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 two given statements, disregarding commonly known facts.  If only conclusion (a) follows, then mark A; if only (b) follows, then mark B; if both (a) and (b) follow, then mark C; if either (a) or (b) follows, then mark D and if neither (a) nor (b) follows, then mark E.
1.
Statements :
(1)
(2)
All lamps are poles
Some poles are woods

Conclusions :
(a)
(b)
Some lamps are woods
Some woods are poles

2.
Statements :
(1)
(2)
Most tanks are guns
Some guns are stones

Conclusions :
(a)
(b)
Some stones are guns
Some tanks are stones

3.
Statements :
(1)
(2)
All windows are boys
All boys are desks

Conclusions :
(a)
(b)
All windows are desks
Some desks are not windows

4.
Statements :
(1)
(2)
All cards are cups
No cup is glass

Conclusions :
(a)
(b)
All cups are cards
No card is glass

5.
Statements :
(1)
(2)
All chairs are houses
Some shoes are houses

Conclusions :
(a)
(b)
Some chairs are shoes
Some shoes are chairs

6.
Statements :
(1)
(2)
Sohan is a good sportsman
Sportsmen are generally healthy

Conclusions :
(a)
(b)
All healthy persons are sportsmen
Sohan is healthy

7.
Statements :
(1)
(2)
Some men are educated
Educated persons prefer small families

Conclusions :
(a)
(b)
All small families are educated
Some men prefer small families


8.
Statements :
(1)
(2)
All men are chairs
All chairs are tables

Conclusions :
(a)
(b)
All men are tables
Some chairs are men

9.
Statements :
(1)
(2)
All boys are rivers
Some rivers are girls
Conclusions :
(a)
(b)
Some girls are boys
Some boys are girls


10.Statements :
(1)
(2)
All birds are parrots
Shyam is a parrot

Conclusions :
(a)
(b)
Shyam is a bird
All parrots are birds


11. Statements :
(1)
(2)
Some bags are cigarettes
Some non-bags are tables

Conclusions :
(a)
(b)
Some bags are tables
All bags are not cigarettes


12.  Statements :
(1)
(2)
All writers are men
No man is absent

Conclusions :
(a)
(b)
There are no women writers
All writers are present


13.  Statements :
(1)
(2)
Some trains are stations
All stations are crowded

Conclusions :
(a)
(b)
All trains are crowded
All stations are trains


14.  Statements :
(1)
(2)
Meena is a book
Some books are benches

Conclusions :
(a)
(b)
Meena is a tree
All books are trees


15.Statements :
(1)
(2)
All books are bananas
All bananas are pens

Conclusions :
(a)
(b)
All bananas are books
All books are pens


16. Statements :
(1)
(2)
Some dramatists are poets
All elephants are poets

Conclusions :
(a)
(b)
Some dramatists are elephants
All poets are elephants


17. Statements :
(1)
(2)
All students are girls
No girl is dull

Conclusions :
(a)
(b)
There are no boys in the class
No student is dull


18.  Statements :
(1)
(2)
All cats are books
All books are singers

Conclusions :
(a)
(b)
All cats are singers
All books are cats


19.  Statements :
(1)
(2)
Some cats are kittens
All goats are kittens

Conclusions :
(a)
(b)
Some cats are goats
Some goats are cats


20.  Statements :
(1)
(2)
All names are houses
No houses are foxes

Conclusions :
(a)
(b)
All foxes are names
No houses are names
ANSWERS

 1.E     2.E      3.A      4.B      5.E      6.E      7.B      8.C      9.E      10.E
11.E    12.C    13.E    14.E    15.B    16.E    17.C    18.A    19.E    20.E

Explanation:
1.  (E)  the middle term (poles) is not distributed in either of the statements.  Therefore, none of the conclusions will follow.
6.  (E)  Generally healthy does not imply that all sportsmen are healthy.
11.  (E)   No conclusion can be drawn from two particular statements.
12 (c)  No man is absent
=> no writer is absent
=>all writers are present.









Conclusion and Arguments -- 1/2012 Reviewed by sambasivan srinivasan on 8:19:00 PM Rating: 5

2 comments:

Anonymous said...

1,2,11,12 ans wrong

Sambasivan.S said...

Explanation:
1. (E) the middle term (poles) is not distributed in either of the statements. Therefore, none of the conclusions will follow.
6. (E) Generally healthy does not imply that all sportsmen are healthy.
11. (E) No conclusion can be drawn from two particular statements.
12 (c) No man is absent
=> no writer is absent
=>all writers are present.

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