MCQ
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
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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`
Concept: Average and Age
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