Question: A library has an average of 510 visitors on Sunday 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) 285
Show Answer
Answer:
Correct Answer: D
Solution:
- Since, the month begins with a Sunday, so there will be five Sunday in the month
$ \therefore $ Required average $ =\frac{510\times 5+240\times 25}{30} $
$ =\frac{8550}{30}=285 $