The difference between the compound interest compounded annually and simple interest for 2 years at 20% per annum is Rs.72. Find the principal? Select:
A) 2277 B) 2667 C) 3600 D) 2766 E) 1800
P = 72(100/5)^2 =&gt; P = 1800   Answer: 1800
<result>E</result>
The difference between the compound interest compounded annually and simple interest for 2 years at 20% per annum is Rs.72. Find the principal?