Quantitative Aptitude Ques 2246

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 $