50 of the students were asked their subject combination 18 offered mathematics, 21.
offered chemistry 16 offered biology& chemistry
offered mathematics and chemisttry 8 students offered maths and biology
9 offered chemistry and biology, while 5
offered the three sublect combination to
the venn diagram find
the numbed of student that passes mathematics
the number of studeats that affred chemistry
but offered neither father mothe nor blology
the number of students that offered biology
but offered neither further maths nor chemistry
the number of students who did not offer
any of the three subject combination.