Answer:

8:45 is answer

10:15-1:30

9:75-1:30=8:45am

Answer:

answer

Step-by-step explanation:

answer for the above question is given below

As program over on 10:15 am and program was of 1 hr 30 minutes

so we will minus firstly 1 hr from 10:15 so it will be 9:15.

and again we will minus 30 minutes from 9;:15 it will be 8:45

so therefore , program starts at 8:45