If the time is currently 1:30 pm, what time will it be in exactly 645 hours? Pick:  A) 9:30 am  B) 10:30 am  C) 11:30 am  D) 12:30 pm  E) 1:30 pm
645 = 26(24) + 21/24   The time will be 21 hours later than 1:30 pm which is 10:30 am.   The answer is 10:30 am.
<result>B</result>
If the time is currently 1:30 pm, what time will it be in exactly 645 hours?