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Advanced Reasoning (SBI PO level) --11-20


Advanced  Reasoning  (SBI PO level)

            Directions (Q. 11-16): In each question below are given two / three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusion and then decide which of the given conclusion logically follows from the given statements, disregarding commonly known facts. Gove answer
            a) if only conclusion I follows
            b) if only conclusion II follows.
            c) of either conclusion I or II follows
            d) if neither conclusion I nor II follows
            e) If both conclusions I and II follows.
            (11 - 12):
11.        Statements:     All boats are berries.
                                    No brake is a belt
                                    All belts are boats.
            Conclusions:    I. No brake is a boat.
                                    II. Some berries are belts.
12.        Conclusions:    I. All berries being belts is a possibility
                                    II. All boats being brakes is a possibility.
13.        Statements:     Some teas are tasty.
                                    Some toasters are toys
                                    Some tables are not toys.
            Conclusions:    I. Some toasters are tables.
                                    II. All tea being toasters is a possibility
14.        Statements:     All coffee is cold.
                                    Some cold are cups.
            Conclusions:    I. Some cups being coffee is a possibility
                                    II. All cups being cold is a possibility.
15.        Statements:     No rack is a rod
                                    Some rats are red.
                                    All red are racks.
            Conclusions:    I. Some red are not rods.
                                    II. All rats are racks.
16.        Statements:     Some parrots are pigeons
                                    Some pigeons are penguins
                                    No parrot is pink
            Conclusions:    I. No pigeon is pink
                                    II. Some pink are pigeons.
            Directions (Q.17-20): Read the following information carefully and answer the questions that follows.
            There are seven friends - Anita, Binod, Chandni, David, Ejaj, Fazal and Gauri. All of them are working in an organisation and have different mobile phones - Nokia , Samsung, Spice, Blackberry, Motorola, Micromax and Videocon - but not necessarily in the same order. Moreover, they are also using the services of different service providers-Aircel, Vodafone, Reliance, Idea, Tata, Uninorand Airtel.
            Further, some more information is also given.
·         David, a Spice user, does not use Aircel. The one who uses Micromax is a subscriber to Tata.
·         Anita does not use Vodafone while Binod, who is a Samsung user, is a subscriber to Idea. Ejaj and Fazal do not use Micromax.
·         Ejaj, a Reliance user, has Videocon mobile, while the person who uses Blackberry is subscribed to Vodafone.
·         Chandni is a Uninor subscriber, while Gauri, who does not Nokia, is an Aircel user.
17.        Who among the following uses Blackberry?
            a) Gauri             b) Fazal            c) Chandni         d) Ejaj               e) None of these
18.        Which of the following services is used by Anita?
            a) Airtel             b) Aircel            c) Reliance        d) Tata              e) None of these
19.        Which of the following statements is/are definitely false with respect to the above information?
            a) Fazal uses Videocon mobile               b) Anita is an Airtel subscriber
            c) David is a Reliance subscriber.            d) All are true                 e) None of these
20.        Who among the following uses Motorola mobile phones?
            a) Anita             b) Gauri             c) Ejaj               d) Fazal            e) Chandni
ANSWERS

11.b      12.a      13.b      14.e      15.a      16.c      17.b      18.d      19.e      20.b


11. b; No brake is a belt (E) i All belts are boats (A) = Ii + A = 0* = Some boats are not brakes. Hence, conclusion I does not follow. Again, All belts are boats (A) + All boats are berries (A) = A + A = A = All belts are berries (A) = A + A = A = All belts are berries → conversion → some berries are belts. Hence, conclusion II follows.
12.        a; All belts are berries (A). So, there is a possibility that All berries are belts. Hence, conclusion I follows. Again, Some boats are not brakes. Hence, All boats being brakes is not a possibility. Hence, conclusion II does not follow.
13.b; I-and O-type statements can’t be combined. Hence conclusion I does not follow. Again, since ‘tea’ is not related to either ‘table’ or ‘toy’ - the only terms that are negatively related - the possibility of II exists.
14. e; Since there is no negative statement, the possibilities of both conclusions I and II exist.
15. a; All red are racks (A) + No rack is a rod (E) = A + E = E = No red is a rod (E) → implication → Some red are not rods. Hence conclusion I follows. Some rats are red (I) + All red are racks (A) = I + A = I = Some rats are racks. Thus, conclusion II also does not follow.
16. c; Some parrots are pigeons → conversion → Some pigeons are parrots (I) + No parrot is pink (E) = I + E = O = Some pigeons are not pink (O*). Hence, neither conclusion I nor conclusion II follows. But conclusion I and II form a complementary pair (I-E). Thus, either conclusion I or II follows.
(17-20):
Person
Phone
Service Provider
Anita
Micromax
Tata
Binod
Samsung
Idea
Chandni
Nokia
Uninor
David
Spice
Airtel
Ejaj
Videcon
Reliance
Fazal
Blackberry
Vodafone
Gauri
Motorola
Aircel
19. e; All are false 
Advanced Reasoning (SBI PO level) --11-20 Reviewed by sambasivan srinivasan on 9:37:00 PM Rating: 5

1 comment:

mahi said...

1 ques. all answer are wrong pls check..
qnwuw

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