Disregrading which is compulsory or optional subject , who has the same two subject combination asthat of F ?
Explanation
Given,
Three are six teachers A, B, C, D, E and F in a school, Each teacher has to teach two subjects, one compulsoryand the other optional.
1)D’s optional is History, while three others have it as a compulsory subject, E and F have Physics as one of theirsubjects.
2) F‘s compulsory subject in Mathematics, which is an optional subject of both C and E, History and English areA’s subject but in term of compulsory and optional subjects, they are reserved of D’s.
3)Chemistry is an optional subject of one of the teachers. There is only one female teacher, who has English asher compulsory subject.
The given information is summarised in a table as follows :
