Answer:
10hrs 20 minutes
Explanation:
Here you find the difference between the two times
From
3:40 am to 4:00 am = difference of 20 minutes
4:00 am to 12:00 noon = difference of 8 hrs
12:00 noon to 2:00 pm= difference of 2 hrs
Total time elapsed= 8hrs+2hrs+20 minutes= 10 hrs 20minutes