Question

In an examination 80% of students got grade A in Science, 90% got grade A in
Mathematics and every student got grade A at least in one subject. Find the percent of
students who got grade A:
(i) in both subjects
(ii) in Mathematics only
(iii) show the information in a Venn-diagram.​

Answer 1

Step-by-step explanation:

80%+90%+100%*100/300

=270*1/3

=90%