At what rate of compound interest per annum will a sum of Rs. 1200 become Rs. 1348.32 in 2 years? Compound Interest At what rate of compound interest per annum will a sum of Rs. 1200 become Rs. 1348.32 in 2 years? A. 6% B. 6.5% C. 7% D. 7.5% Answer: A Share this Share on FacebookTweet on TwitterPlus on Google+