In this question, a statement is followed by two assumptions I and II. You have to consider the statements to be true even if they seem to be at variance from the commonly known facts. You have to decide which of the following assumptions logically follows from the given statement.
Statements : Only good singers are invited in the conference. No one without sweet voice is a good singer.
Assumption I : All invited singers in the conference have sweet voice.
Assumption II : Those singers who do not have sweet voice are not invited in the conference.

Options

A. if only conclusion I follows
B. if only conclusion II follows
C. if either I or II follows
D. if both I and II follow

Answer

D

Explanation

The statement asserts that a good singer always has a sweet voice and only good singers are invited in the conference. This implies that all those invited in the conference have sweet voice and those who do not have sweet voice are not invited. So, both I and II follow.