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There are five maths books, four science books and three Literature books .How many different collections a person can make selecting at least one of each kind when all books are different? And when the books in a category are same? |
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Answer» There are five maths books, four science books and three Literature books .How many different collections a person can make selecting at least one of each kind when all books are different? And when the books in a category are same? |
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