There are six students A, B, C, D, E, F.
Each student opts two courses, 1 core and
the other elective.
(i) D’s elective is Maths and three
other students have a core course.
(ii) E and F have Chemistry as one of
their subjects.
(iii) F’s core course is Physics, which is
elective for both C and E.
(iv) Maths and English are A’s subjects
as core and elective, respectively.
(v) Biology is an elective of only one of
them
(vi) The only female student is the one
who has Maths as elective and
English as core course.
