Question

Statements:
Only good singers are invited to the conference. No one without a sweet voice is a good singer.
Conclusions:
I. All invited singers at the conference have sweet voices.
II. Those singers who do not have sweet voices are not invited to the conference.
1. Only conclusion I follows
2. Only conclusion II follows
3. Either conclusion I or II follows
4. Both conclusions I and II follows

Answer 1

Correct Answer - Option 4 : Both conclusions I and II follows

Statements:
Only good singers are invited to the conference. No one without a sweet voice is a good singer.

Conclusions:
I. All invited singers at the conference have sweet voices --> True (because it is mentioned in the statement that Only good singers are invited to the conference and No one without a sweet voice is a good singer.)
II. Those singers who do not have sweet voices are not invited to the conference --> True (because it is mentioned in the statement that Only good singers are invited to the conference and No one without a sweet voice is a good singer.)

Hence, "Both conclusions I and II follow" is the correct answer.