There are 30 different combinations if the order in which the books were chosen counts, so a set of book A and book B is considered different from a set of book B and book A. There are 15 different combinations if it does not matter in which order the books were chosen, so a set of book A and book B is considered the same as a set of book B and book A.
No. Because you have chosen not to share the sets, it is not possible to form any more "SUCH" sets.
6 if order doesn't matter
Single books in grams, sets of books in kilograms.
Two different sets.
12!/(5!*7!)The number of ways to arrange nitems is n!, where "!" is the factorial function. The number of ways we can arrange the 12 books is therefore 12!. However, we don't really care what order the first 5 books are in, or what order the last 7 books are in, as long as they're the same books. We therefore divide by the number of ways to arrange 5 books and the number of ways to arrange 7 books.
Garden chess sets come in many different types of materials from plastic to wood. It really depends on the preference of the consumer of which type of material is chosen.
There are 10 different sets of teachers which can be combined with 4 different sets of students, so 40 possible committees.
no because you have chosen not to share the sets it is not possible to form anymore "such" sets.
There are 120 possible sets.
It depends on why you are keeping two sets of books and what books are they.Novels Non--fiction.If you are referring to accountancy then no it is not immoral if the two are identical and kept as a back up. If however, they are different and kept for fraudulant purposes it is not only immoral it is illegal.
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No. Because you have chosen not to share the sets, it is not possible to form any more "SUCH" sets.
Outdoor furniture sets come in many different styles. They are designed to appeal to different tastes and preferences. Since every family situation is unique, it is important to take some time to determine what type of furniture will work. Many people want the outdoor furniture to serve multiple functions such as entertainment and practicality. When chosen correctly, the benefits can be quite high. These sets can be used to increase the living area, provide functionality and make entertaining simple.
6 if order doesn't matter
Single books in grams, sets of books in kilograms.
Two different sets.
Kid Knex products are available at many different stores. Target, Walmart and ToysRUs carry many different sets to choose from. The sets are designed to appeal to children of many different ages.