Question

A library has an average of 510 visitors on sundays and 240 on other day. The average number of visitors in a month of 30 days starting with sunday is

Answer 1

2040 in Sunday of a week

Answer 2

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The average of Visitors on Sunday = 510
The average of Visitors on other days = 240

Now There are five Sundays in 30 days

Sum of visitors on Sunday = 5 x 510
= 2550

Sum of Visitors on other days = 25 x 240
= 6000

Total Sum of Visitors in a month of 30 days
= 6000 + 2550
= 8550

Average number of visitors in a month of 30 days =
$= \frac{8550}{30} \\ = 285$
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