If P (n, r) = 2520 and C (n, r) = 21, then what is the value of C (n + – McqOptions

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1.	If P (n, r) = 2520 and C (n, r) = 21, then what is the value of C (n + 1, r + 1)?
A.	7
B.	14
C.	28
D.	56
Answer» D. 56

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