Q. At what rate per cent annum simple interest, would a sum double itself in 6 years? Share with your friends Share 0 Rishabh Mittal answered this Dear Student , Here is the similar link for your query : https://www.meritnation.com/ask-answer/question/mark-against-the-correct-answerat-what-rate-per-cent/math/12078687 We hope the above link will help you in clearing the doubt . Regards 0 View Full Answer