Which number should replace both the asterisks in (* /21) x (*/189) =

1.	Which number should replace both the asterisks in (* /21) x (*/189) = 1 ?
A.	21
B.	63
C.	3969
D.	147
Answer» C. 3969

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Which number should replace both the asterisks in (* /21) x (*/189) = 1 ?

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