A library has an average of 510 visitors on Sundays and…

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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:

  1. A. 250
  2. B. 276
  3. C. 280
  4. D. 285

Answer: Option D

Here is complete explanation of A library has an average of 510 visitors on Sundays and….

Solution(By ExamCraze Team)

Since the month begins with a Sunday, to there will be five Sundays in the month.
$$eqalign{ & therefore {text{Required}},{text{average}} cr & = {frac{{510 times 5 + 240 times 25}}{{30}}} cr & = frac{{8550}}{{30}} cr & = 285 cr} $$

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