If \[{}^{n}{{P}_{5}}=20.\ {}^{n}{{P}_{3}}\], then \[n=\] – McqOptions

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1.	If \[{}^{n}{{P}_{5}}=20.\ {}^{n}{{P}_{3}}\], then \[n=\]
A.	4
B.	8
C.	6
D.	7
Answer» C. 6

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