If nPr = 3024 and nCr = 126 then find n and r. – McqOptions

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1.	If nPr = 3024 and nCr = 126 then find n and r.
A.	9, 4
B.	10, 3
C.	12, 4
D.	11, 4
Answer» B. 10, 3

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