In a Class 52% students has passed in Mathematics, 40%
students has passed in Physics, 17% students has passed in
both the subjects. So, how many percentage of students
hasn't passed in both the subjects?
a sum 's' is devided into 4 parts.second person gets Rs 10
more than first.3rd person is Rs 10 more than second, 4th is
10 more than 3rd. how much amount do 1st person get?