Step 1: Identify the placement of Biology. Since there are 3 exams after Biology, it must be on Monday.
Step 2: Since Physics and Mathematics are not conducted on Tuesday, the only subject left for Tuesday is English.
Step 3: Physics is not on Thursday, so it must be on Wednesday.
Step 4: The only remaining subject is Mathematics, which must be on Thursday.
A, B, C, D, E, F and G are travelling in three different vehicles: Swift, Creta, and Nexon. There are at least two passengers in each vehicle. Among them, only two are male. There are two engineers, two doctors and three teachers.
(i) C is a lady doctor and she does not travel with A and F, who are sisters.
(ii) B, a male engineer, travels with only G, a teacher, in a Swift.
(iii) D is a male doctor.
(iv) Two persons belonging to the same profession do not travel in the same vehicle.
(v) A is not an engineer and travels in a Creta.
(vi) The pair of sisters A and F travels in the same vehicle.
What is the profession of F?