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 girls .
3. All girls are singers.

Option:
a) Both conclusions 1 and 3 follow
b) Only conclusions 3 follows
c) Only conclusions 1 follows
d) Only conclusions 2 follows

Solution:

1. Some girls are not singers.
As per venn diagram all girls are singers.
conclusions 1 is not follow.
2. No actor is a girls.
As per venn diagram Some Actor is girls.
Conclusions 2 is not follow.
3. All girls are singer
As per venn diagram this Conclusions follow.
Only Conclusions 3. follow

Answer: b) Only conclusions 3 follows