Question

if school apon at 9:00am and close at 11:51am.in this time 4 periods held after 5 minutes break .so 1 period is of

Answer 1

1 period is of 39 minutes

Answer 2

39 minutes because in the 9to11:51 is 2.51 h ,and helding is 5 Minutes at 1 period than for the 4 period helding is 15 min so 2.51-15=2.36 and after deviding with 4 period ,it is 39 min