Syllogism
Syllogism
  Q.8) Statements:
                                                         Directions for Ouestions16to25:
                                                                                      b low two statements
                                                         In each of the questions given I e ·ons numbered I and
  No Ais B.                                              are followed by two/three c,onc us1                419
                                                                                             Syllogism & Venn Diagram (Easy)
     RBI, SEBI, NABARD Phase 1 Book
                                                                    II. no bed is either a chair or a table.
     11/111. Read all the conclusions and then decide which
     of the given conclusion logically follows from the             Ill. all beds are chairs.
                                                                    [a] only I follow.               [d] only ill follows.
     statements. Give the answers:
                                                                    [b] only II follow.               [e] none of these.
     Q.16) Statements:
     A . some kings are queens.                                     [c] all follow.
     B. all queens are beautiful.
     Conclusions:                                                   Q .21) Statements:
     I. all kings are beautiful.                                    A. All cities are towns.
     11. all queens are kings.                                      B. Some cities are villages.
     [a] only I follow.             [d] neither I nor II follow.    Conclusion:
     [b] only II follow.
                                                                    I. All villages are towns.
                                    [e] none of these.
                                                                    II. All village are cities.
     [c) both I and II follow.                                      Ill. Some villages are towns.
                                                                    [a) only I follow.            [d] only Iii follows.
     Q .17) Statements:                                             [b) only II follow.           [e] none of these.
     A. Some papers are pens.
     B . Some pencils are pens.                                      [c) all follow.
     Conclusions:
     I. some pens are pencils.                                       Q.22) Statements:
     II. some pens are papers.                                       A. All boys are rivers.
     [a] only I follow.             [d] neither I nor II follow.     B. Some rivers are girls.
                                    [e] none of these.               Conclusion:
     [b] only II follow.
                                                                     I. some girls are boys.
     [c] both I and II follow.                                       II. some boys are girls.
                                                                     [a] if only conclusion I follows.
     Q.18) Statements:
                                                                     [b] if only conclusion II follows.
                                                                     [c] if either conclusion I or conclusion II follows.
     A. All goats are parrots.
                                                                     [d] if neither conclusion I nor conclusion II follows.
     B . All parrots are crows.
                                                                     [e) if both conclusions I and II follows.
     Conclusions:
     I. all crows are goats.
     II . all goats are crows.                                        Q.23) Statements:
                                    [d) neither I nor II follow.      A . All men are married.
     [a] only I follow.
                                                                      B. Some men are educated.
     [b] only II follow.            [e] none of these.                Conclusion:
                                                                      I. Some married are educated.
     [c] both I and II follow.
                                                                      II. some educated are married.
                                                                      [a] if only conclusion I follows.
     Q .19) Statements:                                               [b) if only conclusion 11 follows.
·'   A . Some books are cars.                                         [c] if either conclusion I or conclusion II follows.
     B . Some cars are boxes.                                         [d) if neither conclusion I nor conclusion 11 follows
     Conclusions:                                                     [e] if both conclusions I and 11 follows.             ·
     I. some books are boxes.
     II. some boxes are books.                                         Q.24) Statements:
     [a] only I follow.              [d) neither I nor II follow.      A. All men are dogs.
     [b] only II follow.             [e] none of these.                B. All dogs are cats.
                                                                       Conclusion:
     [c] both I and II follow.                                         I. All men are cats.
                                                                       II. All cats are men.
     Q.20) Statements:                                                 [a] if only conclusion I follows.
     A . Some tables are chairs.                      ..
                                                       r
                                                       ~               [b] if only conclusion II follows.
     B . Some chairs are beds.                                         [c] i_f eit~er conclusio_n I or conclusion 11 follows.
     Conclusion:                                                       [d] 1f neither conclusion I nor conclusion 11 follow
     I. some tables are beds.                                          [e] if both conclusions I and II follows.              s.
                                                                                                                                   l
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RBI, SEBI, NABAR D Phase 1 Book                                                             Sylloglsm & Venn Diagram (Easy)
                                                               Q.32) Statements:
[a) if only                                                    Some red are colours.
[bJ if on1  conclusio n I follows.
                                                               No red is a paint.
(c] if eitte~c lusi~n II follows.
                                                               All colours are black.
[d] if neithe nclusr~n I or conclusion II follows.
                                                               Conclusions:
[e) if both r conclusio n I nor conclusion JI follows.
                concl usions I and   II follows.               Some colours are not Paints.
                                                               All red being black is a possibility.
OS ,26) Stateme nts·
     omefoO d             ·                                    0 .33) Statements:
Some        s are forest.
                                                               Some flowers are roses.
All for foods are flutes.
C      ests are frozen                                         No rose is red.
  onclusio ns·         .                                       All red are leaves.
So            ·                                                Conclusions:
So~: :oods are not frozen is a possibility.                    Some flowers are definitely not red.
         rozen are forests.
                                                               Some leaves are definitely not roses.
    ~~27} Statemen ts:
                                                               Q.34) Statements:
    So   boy is a postgraduate.
                                                               No word ls a letter.
    All m_e postgraduates are girls.                           All letters are alphabets.
    C girls are intelligent.
     0 nclusions :                                             Some vowels are alphabets.
    ~II boys being intelligent is a possibility.               Conclusio ns:
      0 boy is a girl.                                         Some alphabets are not words.
                                                               All vowels being letters is a possibility.
    0.28) Statements:
    All milk is curd.                                           Q.35) Statements:
    All butter Is curd.                                         All windows are doors.
    No curd is milkshake.                                       All entrances are windows.
    Conclusio ns:                                               No gate is door.
    At least some butter is milkshake.                          Conclusio ns:
    Some milkshakes are definitely not curd.                    Atleast some windows are gates.
                                                                 No gate is an entrance.
    Q.29) Statements:
    Some d1tails are beneficial .
    All t,eneficial are helpful.
                                                                                                                          421
                                       Syllogism & Venn Diagram
                                               (Moderate)
Q .54)
A. All apes have hair.
B. All primates have hair.
C. All Gorillas have hair.
D. All apes are primates.
E. All apes are gorillas.
F. All gorillas are grey.
[a] DBE                       [c) ABC
Q.55) Statements:
All booths are cabins.
Some dens are not cabins.
All hovels are booths.
Which of the following cannot be the conclusion of the
above statements?
[a] All dens are hovels.
[b] Some dens are hovels.
[c] Some dens are not hovels.
[d] No den is a hovel.
                                                                                               l
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0.56) Statement:
A. Some series are species
                                                                         o.   Some rivers are jungres.
8· All windows are species ·                                              Conclusions:
Conclusions:              ·                                               1. Some jungles are not roa~s.         . iii
I. All series be•    .                                                   II. All roads are being lanes is a poss1b ty.
11. No w· d     ~ng Window is a possibility.                            Ill. At least some jungles are towers.
            •n ow is a series.                                          IV. At least some jungles are roads.
[a) Only I follow.
                                      [dJ Neither I nor II follow.      [aJ Only 'I' follows
[b] Only II follow.                                                    (bl Only 'II' follows
                                      [eJ Either I or II follow.       {cJ Either I or IV follows
[c) Both I and 11 follow.                                             (dJ Only 'I' follows
                                                                      [eJ Either I or IV and 'II' follow
~-!7)    Statements:
 . Sil desks    are Pillars                                          Q.60) Statements:
B 0                                                                  A. All countries are streets.
  ·     rne ·11            ·
C. All to pi ars are towns.                                          B. No street is flag.
D S 0 Wns are benches                                                C. Some flags are avenues.
  ·     rne b                ·
Conclus10 e~ches are cars.
1· No car ns.                                                        Conclusions:
                                                                     I. some avenues
                                                                                         being streets is a possibility.
II. At lea s are towns.                                              II. Some countries are flags.
           st
Ill. All be sorne benches are desks.                                 Ill. No avenue is a country.
IV. Sorn nches are not pillars.                                      IV. Some streets are flags.
          8
             cars being pillars is not a possibility.
                                                                     [a] Only I and Ill follow
[a]   None follows                  ldJ Only 'Ill' follows           (b] Onlly II and IV follow
[b] Only 'I' follows                {e] Only 'IV' follows            [c) Only I follow
                                                                     [d) None of the conclusion follow
[c] Only 'II' follows
                                                                     [e) All follow
~--~~l   Sta_tements:
        stations are houses.
8
c· No house is garden.
D• A.sol~e Qardens are rivers.
  · 1rivers are ponds.
Conclusions:
I. All Ponds being garden is a possibility.
    II. Some ponds are stations.
    Ill. Some ponds are definitely houses.
    IV. No pond is station.
    Q.59) Statements:
    A. Some towers are lanes.
    B. some lanes are roads.
    c. some roads are rivers.
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                                    Syllo g·i sm & Venn Diag ram
                                               (Solu tions )
Ans.1) (True)
                                        8                         Ans.8) (False)
                                                                  N_o relation between A _and C can be assumed with the
                                                                  given statements. So, It would be considered as false.
                                                                  Ans.9) (True)
Since one of the premise s is negative, the conclusion
must be negativ e. As the given conclus ion is positive so it
is false.
Ans.4) (False)
The given conclus ion is false as one of the terms (i.e., de-
voted) which is not distribu ted in the premise is distributed
in the conclus ion (which is not allowed).
Ans.5) (False)
Kings dful
                                                                           Conclusion (1) does not follow. All kings are not beautiful.
                                                                          (only some kings are beautiful)
                                                                          Conclusion (II) does not follow. All queens are not kings.
                                                                          (only some queens are kings)
Ans,13) (True)
                                                                         Ans.18) (b)
                                                                         Conclusion (I) does not follow. All crows are not goats.
                                                                         (only some crows are goats)
                                                                         Conclusion (II) does follow. "All oats are goats" Is true.
      Ans.14) (False)
                                                                                   parrots
                                                                                       0
        From the given statements, we cannot conclude that llna           Ans.19) (d)
        'is' not smart. We can conclude that Tina 'may' or 'may not'
        be smart.                              l
         Hence, the given conclusion is false.
           Ans.15) (False)
           Ram 'may' or 'may not' be bralny as there is 'some' in the
           statement. If there would be 'All' at place of 'some', con-
           clusion would have been true.
                                                                           Conclusion (1.) does not follow. •some books are boxes"
                                                                                                                                          '
                                                                                                                                          427
                                                                                 Sylloglsm & Venn Diagram (Solutions)
RBI, SEBI, NABARD Phase 1 Book
Ans.20) (e)
                                                                Ans.24) (a)
                                                                From the figure drawn, conclusion I follows.
Conclusi on (I) does not follow. "some tables are beds"- not
confirm.
Conclusi on (II) does not follow. 'Some beds are chair' Is
confirm. 'no bed is a table'- is not confirm.
Ans.21) (d)
Ans.25) (a)
Ans.26) (e)
  Ans.23) (e)
  From the figure, we can say that some mer\ are educated
                                                                   Conclusi on (I) follows
  and some educate d are men. Hence, both bf-them follow.
                                                                   Conclusi on (II) follows
RBI, SEBI, NABARD Phase 1 Book                                                   Syllogism & Venn Diagram (Solutions)
Ans.31) (a)
Cabla
Conclusion (I) Follows                                        Conclusion (I) Follows. The part of House which is room is
~;:luslon (II) does not follow as no relation is mentioned    definitely not cabin as no cabin is a room.
    een boy and girl in the statements.                       Conclusion (II} Does not follow. 'Some houses are rooms'
                                                              is definite.
Ans.28) (b)
                                                              Ans.32) (e)
Ans.30) (b)
Wonl
                                                                                                                            429
                                                                                   Syllogism & Venn Diagram (Solutions)
RBI, SEB'I , NABARD Phase 1 Book
Ans.35) (b)
                                                                         FWW
   E)
Conclusion {I) does not follow.
                                                                          G)                        0
Conclusion (II) follow.
                                                              Conclusion (I) does not follow. "All trains are not four-
Ans.36) (b)                                                   wheeled vehicles", not definite.
                                                              Conclusion (II) does not follow. "Some trains are four-
                                                              wheeled vehicles.", not definite.
                                                              None of the conclusion is definitely true.
                                                              Ans.39) (e)
                                                              According to the following Venn-diagram all conclusions
                                                              are true.
And
Ans.40'...)_.(e;....__
Ans.37) (a)                                                    Conclusion I does not follow because there are some·
                                                               which are not nets.                                   Jets
                                                               Conclusion II is true from the g,iven figure.
                                                               Conclusion Ill does not follow because there are sorn
                                                               sets which are nets.                                 e
                                                               Ans.41) (c)
Conclusion (I) does follow as some doctors are lawyer
which may be not man, that's why all doctors can never be
man Is true.
Conclusion (II.) does not follow. 'some honest are lawyers'
may or may not true. No information.
Ans.38) (d)
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RBI, SEBI, NAB ARD Pha se 1 Boo k                                                      Syl/oglsm & Venn Diagram (Solutions)
                                                                   Ans.45) (a)
                                                                   It only Intelligent Investor manage money
                                                                                                                well then, the
                                                                                                                       ies that he
                                                                   fact that Harsh Is not an Intelligent Investor impl
Case (2):
                                                                   does not manage money well. Hence [a].
                                                                   Ans.46) (b)
                                                                                                                     well, there-
                                                                   The computer may move for other reasons as
                                                                                                                  is true. Hence
                                                                   fore [a] is not necessarily true. However, [b]
                                                                   [b]. [c) and [d) make no sense.
                                                                   Ans.47) {c)
                                                                   The main statement can be read as: M     AIi good girls go to
                                                                                                                   go to heaven
                                                                   heaven". So, it Sheela is a good girl, she will
                                                                                                                    itely not a
                                                                   and if she does not go to heaven, she Is defin
                                                                   good girl. But if she is not a good girl she  may  or may not
                                                 pair or
    ~onclusions I and Ill make a complementary                     go to heaven. Hence [c].
                                                  'no century'
    ~nference. Either some centuries are years or
    IS year. Hence, one of the sentences
                                           between I or Ill must    Ans.48) (d)
    be true.
                                                   des" is
    Conclusion II follows as wsome years are deca
    given and vice-versa follow s.
    Hence, option I fs the correct option.
Ans.43) (b)
                                                                                   =          =
                                                                     T = Trout; F Fish; E Things that lay eggs
                                                                     If Trout are fish and all fish lay eggs, lhen Trou
                                                                                                                       t wlll lay
                                                                     eggs as well. Hence [dl
                                                                                                                                    431
                                                                                     Syllogism & Venn Diagram (Solutions)
     RBI, SEBI, NABARD Phase 1 Book
Ans.49) (d)
                                                                   Ans.52) (b)
     o = Dictator; p = Absolute Power; C = Absol_ute Corruption
     Though option [a] might confuse you, you will ~ee that
     statement (F) does not flow logically from the first two
     statements. Options [b] and [c] do not make sense.
     Hence, [d].
Ans.SO) (b)
'I
1,
                                                                   K = What Keto likes to do; A= Adults; L = Long Pants
'l
I          w                    D                                  Again statements (c) and (d) can be discarded- they do
I
                                                                   not have a third statement to complete the sequence. With
                                                                   the other 4 sentences, you can make the sequence 'AFE'.
                                                                   Please note that the same three statements in sequences
                                                                   'AEF' or 'FEA' are not correct!. Hence, [b].
                                    or                              Ans.53) (b
            w
                                                                                 V
Ans.51) (d)
Ans.55) (a)
~~here is atleast one den which is not a cabin there-
    e dens cannot be hovels.
MS.56) (a)
Posalblllty I:
Ans.60) (c)
 Ans.57) (a)
                                                                   8    Streets
Ans.58) (e)
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