If the simple interest on a sum of money at twelve percent per annum for two years is Rs.3800, compound interest on the same sum for the same period at the same rate of interest is Choose the correct choice:  A) Rs.4028  B) Rs.4100  C) Rs.4128  D) Rs.4228  E) Rs.4328
S I for 2 years = 3800 ie for one year =1900   The compound interest for Rs.1900 for the second year = 1900*12/100= 
<gadget id="calculator">1900*12/100</gadget>
<output>228</output>
228   The CI for two years 3800+228= 
<gadget id="calculator">3800+228</gadget>
<output>4_028</output>
4028   Rs.4028NSWER:Rs.4028
<result>A</result>
If the simple interest on a sum of money at twelve percent per annum for two years is Rs.3800, compound interest on the same sum for the same period at the same rate of interest is