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PART - 1 CH - 6 Permutations and Combinations — MATHS STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceMATHSPART - 1 CH - 6 Permutations and Combinations1 Mark
Question
If out of $n$ objects, $p$ objects are of one type, 4 objects are of second type, $r$ objects are of third type and other are different, then write the number of permutations.
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Answer

$\frac{n!}{p!q!r!}$

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