In a given question below is a statement followed by two conclusions numbered I and II. You have to assume everything in the statement to be true, then consider the two conclusions together and decide which of them logically follows beyond a reasonable doubt from the information given in the statement.
Give answer
(a) if only conclusion I follows, (b) if only conclusion II follows,
(c) if either I or II follows,
(d) if neither I nor II follows: and
(e) if both I and II follow
Statement: Irregularity is a cause for failure in exams. Some regular students fail in the examinations.
Conclusion :I. All failed students are regular.
II. All successful students are not regular.

Options

A. if only conclusion I follows
B. if only conclusion II follows
C. if either I or II follows
D. if neither I nor II follows

Answer

D

Explanation

Conc I does not follow because of the word all
Conc II also does not follow because of the word All
According to the given statement all successful students are regular but not all regular students are successful