Class start at 11: 00 am Class ends at 02:27pm So, duration of class =3h27min=207min There will be 4 periods. After every period, there will be a 5 min break. Here, only 3 breaks will be taken as there are only 4 periods and end of 4th period means end of the class. 4th break is not needed to be considered. So, duration of the periods =207−3×5=192 min. ∴ Time assigned to each period =
