Question

There are three departments in a college each
having 220, 160, 120 students respectively. For
an exam, they have to be seated in rooms such
that each room has equal number of students
and each room must have students of one
department only. Find the minimum number
rooms required to seat the students,

Answer 1

$\huge \rm {\underline \red{Answer - }}$

Minimum number of rooms required is 73. To find: Minimum number of rooms required such that each has same number of student and of same department.