At what rate of compound interest per annum will a sum of Rs. 1200 become Rs. 1348.32 in 2 years	Choose the correct option.
A) 3%  B) 4%  C) 5%  D) 6%  E) 7%
Explanation:   Let Rate will be R%   1200(1+R/100)2=134832 /100   (1+R/100)2=134832/120000   (1+R/100)2=11236/10000   (1+R/100)=106/100   =&gt;R=6%   Option 6%
<result>D</result>
At what rate of compound interest per annum will a sum of Rs. 1200 become Rs. 1348.32 in 2 years