Two statements are given followed by two conclusions I and II. You have to consider the two statements to be true, even if they seem to be at variance from commonly known facts. You are to decide which of the given conclusions can definitely be drawn from the given statements. Indicate your answer.
Statements :
(I) Irregularity is a cause for failure in exams.
(II) Some regular students fail in the examinations.
Conclusions :
(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

The given statement clearly implies that all irregular and some regular students fail in the examinations. This, in turn, means that all successful studnets are regular but not all regular students are successful. So, neither I nor II follows.