How many times in a day, the hands of a clock are straight? Choices:
A) 12 B) 24 C) 44 D) 56 E) None
Sol.   In 12 hours, the hands coincide or are in opposite direction 22 times.   ∴ In 24 hours, the hands coincide or are in opposite direction 44 times a day.   Answer 44
<result>C</result>
How many times in a day, the hands of a clock are straight?