Question

In an examination out of 100 students, 75 passed
In English, 60 passed in Mathematics and 45
passed in both English and Mathematics. What
is the number of students passed in exactly one
of the two subjects?
a 45 (b) 60
(c) 75
(d) 90​

Answer 1

Answer:

Number of students who passed in English, n (E) = 75. Number of students who passed in Mathematics, n (M) = 60. Number of students who passed in both, n (E ∩ M) = 45. Thus, the number of students passed in exactly one of the two subjects is 90.