HCU MCA 2015 Paper

Alice, Bhaskar and Salim belong to a class in which all the students study mathematics or computer science (or both). All students who take computer science are poor at programming. Students who take mathematics are good at theory. Alice is poor at whatever Salim is poor at. Bhaskar is poor at everything that Salim is good at. Salim is good at both programming and theory. Who takes the computer science course ?