A class took two tests , one in Physics and other in Maths `((1)/(3))^(rd)` class failed in Maths and `(1)/(2)` class failed in Physics . 60% of thoese passed in Physics also passed in Maths . If 300 students took both the tests then how many students failed in both ?

Explanation

Total number of students passed in atleast one subject =110+90+60=260 Therefore number of students failed in both the subjects 300-260=40