question_answer

In the following question, two statements are given followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statements:

Some white is black.

No black is green.

Conclusions:

I. Some white is green.

II. Some white is not green.

A)  Conclusion I follows      

B)  Conclusion II follows

C)  Either I or II follows

D)  Both I and II follow

Correct Answer: B

Solution :

First premise is Particular Affirmative (I-type). Second Premise is Universal Negative (E-type). Some white is black.   No black is \[I+E\Rightarrow O-\]type of Conclusion ?Some white is not green? This is Conclusion II.