In each of the questions below are three statements followed by two conclusions I and II. You have to take the given statements to be true and then decide which of the given conclusions logically follows from the given statements, disregarding the commonly known facts.
Give Answer A, if only conclusion I follows.
Give Answer B, if only conclusion II follows.
Give Answer C, if either conclusion I or II follows.
Give Answer D, if neither conclusion I nor II follows.
Give Answer E, if Both conclusion I and II follow.
Statements:
All clouds are vapours.
No vapour is a rain.
All gases are rains.
Conclusions:
I. All vapours being rain is a possibility.
II. All vapours are clouds.
if only conclusion I follows.
if only conclusion II follows.
if either conclusion I or II follows
if neither conclusion I nor II follows.
if Both conclusion I and II follow.
Solution
I. All vapours can not be rain because those gases which are rains can not be vapours. So Conclusion I can not follow.
II. All vapours are not clouds