A library has an average of 510 visitors on Sunday and 240 on other days. The a

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

Answer: Option D

Since the month begins with a Sunday, so there will be five Sundays in the month.Required average = [(510 * 5) + (240 * 25)]/30 = 8550/30 = 285.

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