Directions(Q.21 to Q.25 ):

In each question below are three statements followed by two conclusions numbered I and II. You have to take the three given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the three statements disregarding commonly known facts and Give answer.

Statements :

Some black are blue.

No blue are white.

Some white which are black are grey.

Conclusions :

I. Some grey are blue.

II. Some white are not black.

Answer : Option D

Explanation :

(i) All villages are cities →Universal Affirmative (A type). (ii)Some black are blue → Particular Affirmative (I-type). (iii) No blue are white → Universal Negative (E-type)A (iv) Some blue are not white → Particular Negative (O type). I + E $ Rightarrow $ O-type of Conclusion “Some black are not white”

E + I $ Rightarrow $ O₁-type of Conclusion

“Some black which are grey are not blue.”