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# Counting problem

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Intern
Joined: 28 Jun 2008
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13 Jun 2009, 11:17
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Hi guys was wondering if anyone could offer a good method for this problem:

Store S sold a total of 90 copies of a certain book during the seven days of the week, and it sold different numbers of copies on any two of the days. If for the seven days store S sold the greatest number of copies on saturday and the second greatest on friday, did store s sell more than 11 copies friday?

(1) Last week store S sold 8 copies of the book on thursday

(2) Last week store S sold 38 copies of the book on Saturday.

Senior Manager
Joined: 08 Jan 2009
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16 Jun 2009, 02:24
I have an explaination with the problem below.

stmt 2 is sufficient :
Sat = 38 books and remaining 90 -38 = 52

sold different numbers of copies on any two of the days. Friday is next highest day. So during the rest of the day he sold the same number of copies so 52 / 6 will q = 8 and r = 4

so this means the lowest he sold 8 books in all the other days and friday he sold 8 + 4 = 12 books.

So definetly greater that 11. Let me know if i am wrong
Re: Counting problem   [#permalink] 16 Jun 2009, 02:24
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