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Question

# Papyrus Paul started reading a book for understanding the science behind the rare event in the sky. If he finished reading the book at 02:00 PM and it took him 3 hours, 45 minutes and 36 seconds to finish its reading. At what time did he started reading the book?

A
10:14:24 AM.
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B
10:41:23 AM
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C
11:45 AM
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Solution

## 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 = 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. 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.

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