SOLUTION: We Are Given That nPr=3024 and nCr=126.What Will be the Value Of "r"?

Question 1030108: We Are Given That nPr=3024 and nCr=126.What Will be the Value Of "r"?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
We Are Given That nPr=3024 and nCr=126.What Will be the Value Of "r"?
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nPr = n!/(n-r)!
nCr = n!/[(n-r)1*r!]
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So, nPr/nCr = r!
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r! = 3024/126 = 24
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r! = 1*2*3*4 24
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r = 4
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Cheers,
Stan H.
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