Correct Answer - Option 4 : A is an engineer.
Five people - A, B, C, D and E
Profession - teacher, a doctor, a lawyer, an accountant and an engineer
1. The engineer is married to the teacher
2. C is the unmarried lawyer.
3. D is an accountant.
4. Teacher B is a female whose female friend is the accountant.
Person
|
Profession
|
Gender
|
A
|
|
|
B
|
Teacher
|
Female
|
C
|
Lawyer
|
|
D
|
Accountant
|
Female
|
E
|
|
|
1. D is a male → False (As, D is female)
2. E is a teacher. → False (As, B is a Teacher)
3. B is a doctor. → False (As, B is a Teacher)
4. A is an engineer. → It can be possible as the profession of A is not known.
Hence, ‘A is an engineer’ is the correct answer.