Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
All girls are actors.
All actors are singers.
Conclusions:
1. Some girls are not singers.
2. No actor is a girl.
3. All girls are singers.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Only conclusion 3 follows
The least possible Venn diagram will be

Conclusions:
1. Some girls are not singers. Does not follow (all girls are actors and all actors are singers so all girls are singers so it does not follow)
2. No actor is a girl. Does not follow (all girls are actors so definitely some actors are girls so no actor is a girl does not follow the statement)
3. All girls are singers. Follow (this is definitely true)
Hence, the correct answer is Only conclusion 3 follows.