Question

In an examination 200 students passed in both physics and chemistry and 40% of the class passed in physics and 60% passed in chemistry. If 10% of the class failed in both the sunjects then what is the total number of students of the class?​

Answer 1

Answer:

40%of 200=

200x40 upon

=8000 devided by

=80 students passed in physics

now,

60%of 200=

12000=