Question

30. In an examination 65% of the students passed in Maths, 47% of the students passed in Science and 24% passed in both. Find the percentage of students who did not pass in any of the subjects.
(A) 12%
(B) 20%
(C) 15%
(D) 36%​

Answer 1

total pass = 65+47/2 +24

= 80%

Fail = 100 - 80 %

= 20%