question_answer

Directions: In each questions below are given 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 from commonly known facts. Read both of the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements: I. All pens are erasers.

II. Some erasers are sharpeners.

III. Some sharpeners are staples.

Conclusions: I. Some sharpeners are pens.

II. Some staples are erasers.

A) None follows    

B)        Only I follows

C) Only II follows     

D)        Both I and II follow

E) None of these

Correct Answer: A

Solution :

Explanation Option [a] is correct. Let us see: All pens are . (A type) Some  are sharpeners. (I type) A+ I = No conclusion. Also last two statements are of I type and I + I = No conclusion. Further, predicate of 1st statement (eraser) is not the subject of the 3rd statement. Hence, conclusion is not possible from 1st and 3rd statement. Again, the given conclusion (I and II) are not immediate inferences of any of the given statements. Thus, given conclusion are not true. Rest of the options is incorrect of the correctness of option [a],