There are five persons in a group — P, Q, R, S and T. The group has one doctor, one lawyer and one artist. P and S are unmarried students. T is a man married to one of the group members. Q is the brother of P and is neither doctor nor artist. R is not doctor.
Who of the following is definitely a man?

Correct Option (C)

From the given information, Q is explicitly stated as the brother of P. The term 'brother' unequivocally defines Q's gender as male. Therefore, Q is definitely a man.

Incorrect Options:

• P: P is identified as an unmarried student. The provided information does not contain any specific detail that determines P's gender. P could be either male or female.

• S: S is also identified as an unmarried student. Similar to P, there is no information provided that definitively establishes S's gender. S could be either male or female.

• None of the above: This option is incorrect because Q is definitively identified as a man based on the information that Q is P's brother.