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

Show Answer


Solution(By Apex Team)

Since the month begins with a Sunday, to there will be five Sundays in the month. $\begin{array}{l}\therefore\text{ Required average }\\ =\Large\frac{510\times5+240\times25}{30}\\ =\Large\frac{8550}{30}\\ =285\end{array}$