What percent of a day is 12 hours?	Choices.
A) 12Ã—1/2%
B) 50%
C) 18Ã—2/3%
D) 22Ã—1/2%
E) None
Solution   Required percentage	= (12/24Ã—100)%   = 50%.   Answer 50%
<result>B</result>
What percent of a day is 12 hours?