A library has an average of 660 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:  Options:
A) 250  B) 276  C) 280  D) 310  E) None
Since the month begins with sunday,to there will be five sundays in the month   Average required = (660x5 + 240x25) /30) = 310   Answer: Option 310
<result>D</result>
A library has an average of 660 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is: