Talvir Singh is teaching live on Unacademy Plus
JULY 2018 PAPER 1 FULL SOLUTION BY - TALVIR SINGH
ABOUT ME .com & MBA From PU CHANDIGARH JRF QUALIFIED IN COMMERCE WORKING AS ASSISTANT PROFESSOR 2 TIMES UNIVERSITY COLOR HOLDER BEST DEBATER OF PUNJAB (2017) BEST POET OF PU CHANDIGARH (2016) COMEDY ADDICT FREELANCE MOTIVATIONAL SPEAKER YOUTUBER (COMMERCE NET ACHIEVERS) unacadem
1. Superiority of intellect depends upon its power of concentration on one theme in the same way as a concave mirror collects all the rays that strike upon it into one point. . (1) Mathematical . (2) Psychological (3) Analogical . (4) Deductive
2. Given below are two premises (A and B). Four conclusions are drawn from them. Select the code that states validity drawn conclusion (s) (taking the premises individually or jointly). Premises: (A) Most of the dancers are physically fit. (B) Most of the singers are dancers. . Conclusions: (a) Most of the singers are physically fit. (b) Most of the dancers are singers. .(c) Most of the physically fit persons are dancers. (d) Most of the physically fit personsare singers. . Codes: (1) (a) and (b) .(2) (b) and (c) . (3) (c) and (d) . (4) (d) and (a)
Common language statements Logical forms Premises Most of the dancers are physically fit Some of dancers are physically fit. Most of the singers are dancers Conclusions (a) Most or the singers are physically Some of singers are physically fit fit Some of singers are dancers (c) Most of the physically fit persons Some of physically fit are dancers are dancers (d) Most of the physically rit persons Some of physically rit persons are singers are singers
(A) Most of the dancers are physically fit. (B) Most of the singers are dancers. PhysicallyDancers Fit PhysicallyDancers Fit Singers Singers OR OR PhysicallyDancers Fit PhysicallyDancers Fit Singers Singers
. Conclusion (a) Some of singers are physically fit. Keeping in view with two possibilities in Venn diagrams may be true or may not be true. In case of doubt, it is not a valid conclusion. Similarly conclusion (d) is also not a valid conclusion. . Thus both (b) and (c) apply, thus (2) is the right answer.
3. Which one of the following statements is not correct in the context of Venn diagram method? . (1) It is a method of testing the validity of arguments. (2) It represents both the premises of a syllogism in one diagram. (3) It requires two overlapping circles for the two premises of a standard-form categorical syllogism. (4) It can be used to represent classes as well as propositions.
. 4. Which one among the following is a presupposition in inductive reasoning? . (1) Law of identity . (2) Unchangeability in nature (3) Harmony in nature . (4) Uniformity of nature