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Find the value of (n!)/((n-r)!),if n=10 ...

Find the value of `(n!)/((n-r)!)`,if `n=10` and `r=3`.

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MODERN PUBLICATION-PERMUTATIONS AND COMBINATIONS -EXERCISE 7 (d) Long Answer Type Questions - I
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  2. How many of the natural numbers can be formed from the digits 2, 3, 5,...

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  3. How many 5-digit telephone numbers can be formed with the digits 0, 1,...

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  5. Find the value of (n!)/((n-r)!),if n=10 and r=3.

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  10. Find the number of different 8-letter arrangements that can be made...

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  11. In how many ways can the letters of the word 'HEXAGON' be permuted? In...

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  12. How many permutations can be made out of the letters of the word TRIAN...

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  14. How many words can be formed out of the letters of the word 'ARTICLE' ...

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