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Choose the Most Appropriate Option: a Library Has an Average of 510 Vis1tors on Sunday and 240 on the Other Days. the Average Number of Visitors per Day in a Month of 30 Days Beginning with a Sunday - Mathematics

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Question

Choose the most appropriate option:
A library has an average of 510 VIS1tors on Sunday and 240 on the other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is 

Options

  • 250

  • 280

  • 276

  • 285

MCQ
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Solution

285

Explanation:
Since the month begins with a Sunday. So, there will be five Sundays in the month. 

The required average`=(5xx510+240xx25)/30=285`

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Average and Age
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2015-2016 (May) Set 1

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