The simple interest on a sum of money will be Rs.700 after 10 years. If the principal is trebled after 5 years what will be the total interest at the end of the tenth year?	Choices:
A) 2261  B) 2888  C) 1400  D) 2699  E) 2771
P --- 10 ---- 700   P --- 5 ----- 350   3P --- 5 ----- 1050   ------   =&gt; 1400   Answer: 1400
<result>C</result>
The simple interest on a sum of money will be Rs.700 after 10 years. If the principal is trebled after 5 years what will be the total interest at the end of the tenth year?