General Intelligence · Syllogism

Three statements are followed by three conclusions numbered I, II, and III. You have to consider these statements to be true, even if they seem to be at variance with commonly known facts. Decide which of the given conclusions logically follows from the given statements. Statements: No Mango is a banana. No banana is a guava. Some guavas are oranges. Conclusions: (I) Some mangoes are oranges. (II) Some guavas are mangoes. (III) No orange is a banana.