At what rate percent per annum will a sum of money double in 10years? Pick: A) 10% B) 15% C) 18% D) 20% E) 25%
Let principle = P   S.I. = P   T = 10yrs   Rate = 100*P/P*10 = 10%   10%nswer is 10%
<result>A</result>
At what rate percent per annum will a sum of money double in 10years?