26. A library has an average of 510 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
A. 250 B. 276
C. 280 D. 285
Answer:
since the month begins with a sunday , so there will be five sundays in the month.
Required Average = (510x5+240x25 / 30)
= (8550 / 30)
= 285
