The correct option is
A 10:14:24 AM.
Given : Papyrus Paul takes
3 hours
45 minutes and
36 seconds to finish reading the book.
He finishes reading the book at
02:00 PM
So, he should have started reading the book at
=
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1286592/original_3.JPG)
For the sake of subtraction we will convert the time to the military format, which means
02:00 PM=14:00
So, we will get the time at which Papyrus Paul starts reading the book by:
To make subtraction possible, We need to borrow one hour i.e. 60 minutes from 14 hours, hence making it 13 hours and 60 minutes.
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1286753/original_fhfuhfuh.png)
Still there are 00 seconds in minuend, we need to borrow 1 minutes i.e.60 seconds from 60 minutes, hence converting it into 13 hours 59 minutes and 60 seconds.
So, Papyrus Paul starts reading the book at
10:14:24 AM.
Thus, option 'a' is correct.