If in 13 years fixed sum doubles at simple interest, what will be the interest rate per year? (correct to two decimal places)

If in 13 years fixed sum doubles at simple interest, what will be the

1.	If in 13 years fixed sum doubles at simple interest, what will be the interest rate per year? (correct to two decimal places)
A.	7.69%
B.	8.69%
C.	7.92%
D.	7.29%
Answer» B. 8.69%

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If in 13 years fixed sum doubles at simple interest, what will be the interest rate per year? (correct to two decimal places)

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