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10 Aug 2003, 08:55
Kudos
Bookmarks
Can someone please explain the solution to this problem.
There are 10 books on a shelf. 4 of them have a soft cover and 6 of them have a hard cover. In how many ways can you remove 5 books from the shelf so as to have at least one soft covered book and at least one hard covered book.
There are 10 books on a shelf. 4 of them have a soft cover and 6 of them have a hard cover. In how many ways can you remove 5 books from the shelf so as to have at least one soft covered book and at least one hard covered book.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
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10 Aug 2003, 10:40
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stolyar
5(all)-5(soft)-5(hard)
10C5-0-6C5
Correct? After Akamaibrah crucified me on prime factorization, I start to doubt in any problem.
10C5-0-6C5
Correct? After Akamaibrah crucified me on prime factorization, I start to doubt in any problem.
Didn't mean to crush you on that problem. Just wanted to show your stubborn butt that giving someone a formula to get the answer is NOT the same as showing them how to solve the problem.
BTW, i got the same answer as you: 246. There is no reason to doubt when you have a rationale for coming up with your answer!
