If an amount doubles automatically in 8 years, then what is the intere – McqOptions

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1.	If an amount doubles automatically in 8 years, then what is the interest rate?
A.	$$ {12{1 over 2}} %$$
B.	$$ {15{1 over 2}} %$$
C.	5 %
D.	$$ {5{1 over 2}} %$$
Answer» B. $$ {15{1 over 2}} %$$

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