General Studies · Syllogism

Given below are four arguments consisting of sets of three sentences each. Select the set(s) in which the 3rd statement is a valid logical conclusion based on the first two statements: a. No rabbits laugh. Some who laugh are tigers. Therefore, some tigers are not rabbits. b. All foxes are black. Some foxes do not dance. Therefore, some dancers are not black. c. A's indulge in swearing. Those who swear are threatened. Therefore, some who are threatened are not A's. d. All E's are S. All E's are B's. Therefore, some B's are S.