General Studies · Syllogism

In this question, two conclusions are given followed by four sets of possible statements. You have to take the given conclusions to be true even if they seem to be at variance with commonly known facts, and then decide which of the given statement sets logically yields both conclusions. Conclusions: 1. At least some pens are pencils. 2. No pens are erasers is a possibility. Statements: I. Some erasers are pens. All pens are markers. No markers are pencils. II. Some erasers are pencils. Some pencils are pens. All pens are markers. III. No erasers are markers. All markers are pens. Some pens are not pencils. IV. Some pens are erasers. Some erasers are markers. Some markers are pencils.