A shop's opening hours read 07:00 to 24:00. How many hours is it open each day?
A15
B16
C17
D18
Answer & Solution
Correct answer: C. 17
1. 24:00 means the exact end of the day.
2. Hours open = 24 - 7 = 17.
3. Writing 12 - 7 or counting to 23 would give wrong totals.
_Source: Wikipedia, 24-hour clock, Midnight 00:00 and 24:00_
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