A certain sum becomes 3 fold at 4% annual rate of interest. At what rate, it will become 6 fold ?

A certain sum becomes 3 fold at 4% annual rate of interest. At what ra

1.	A certain sum becomes 3 fold at 4% annual rate of interest. At what rate, it will become 6 fold ?
A.	10%
B.	12%
C.	8%
D.	9%
E.	None of the above
Answer» B. 12%

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