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A library has an average of 510 visit...

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 (a) 250    (b) 276    (c) 280    (d) 285

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On an average 300 people watch the movie in Sahu Cinema hall on Monday, Tuesday and Wednesday and the average number of visitors on Thrusday and Friday is 250. If the average number of visitors per day in the week be 400, then the average number of people who watch the movie in weekends (i.e., on Saturday and Sunday) is :

On an average 300 people watch the movie in sahu cinema hall on Monday,Tuesday and Wednesday and the average number of visitors on Thursday and Friday is 250 if the average number of visitors per day in the week be 400 then the average number of people who watch the movie in the weekends (i.e.on saturday and sunday)is:

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