Question

A school is divided into three cycles- Primary School, Middle School and High School. The Duration of period for each is as follows: -
Cycle Interval after which bell Rings
Primary 20 minutes
Middle 30 minutes
Secondary 40 minutes
If all three cycles start their day at 8.00 am
a) When will all three bells ring together again?
b) What will be the time?

Answer 1

Answer:

1. In starting time at 8 . 00 am
2. * 8.20 am * 8.30 am * 8.40 am

Answer 2

Step-by-step explanation:

a) 1)-8:20 2)-8:30 3)-8:40

b)8:00