Mathematics

in how many ways can 3 novels, 3 mathematics and 1 chemistry books be arranged on a shelf if?

NayaMee asked:


i) the books can be arranged in any order
ii) the mathematics books must be together and the novels must be together
iii) no two mathematics books must be together

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Posted by Philip - April 11, 2011 at 3:43 pm

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How many ways can 3 novels, 2 math books, and 1 chemistry book be arranged on a bookshelf?

jason m asked:


b) assume the math books must be together and the novels together

c) the novels must be together but the other books can be arranged in any order.

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Posted by Philip - April 7, 2011 at 3:28 pm

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In how many ways can one select 4 math books and 3 chemistry books from a set of 9 math books and 7 chemistry?

Samara asked:


books, all different?

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Posted by Philip - March 30, 2011 at 11:12 pm

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