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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:

250
276
280
285

Correct Answer: 285

Explanation:

Since the month begins with a Sunday, to there will be five Sundays in the month.

Required average

=	❨	510 x 5 + 240 x 25	❩
		30

=	8550
	30

= 285

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