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Question
In how many ways can the 8 books arranged equally on each shelf ?
In how many ways can the 8 books arranged equally on each shelf ?
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Solution
The correct option is C 4
To find the number of ways that books can be arranged so that each shelf has same number of books ,we must know the factors of 8
Factors of 8:
1 × 8 = 8
2 × 4 = 8
4 × 2 = 8
8 × 1 = 8
Hence there are in total 4 factors 1,2,4,8 respectively
hence there are 4 differnt ways to arrange the books
To find the number of ways that books can be arranged so that each shelf has same number of books ,we must know the factors of 8
Factors of 8:
1 × 8 = 8
2 × 4 = 8
4 × 2 = 8
8 × 1 = 8
Hence there are in total 4 factors 1,2,4,8 respectively
hence there are 4 differnt ways to arrange the books
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