Rs 1000 is invested at 5% pa simple interest. If interest is added to principal after every 10 yr. Then we will get amount 2000 after how many year?	Choose the correct choice from the following options
A) 12 years. B) 13.66 years. C) 14 years. D) 16.66 years. E) 15 YEARS
P = 1000.   R = 5%.   T = 10 years.   I = PTR/100 = (1000 * 5*10)/100= 
<gadget id="calculator">(1000 * 5*10)/100</gadget>
<output>500</output>
500.   Now,   Principal= 1000 + 500= 
<gadget id="calculator">1000 + 500</gadget>
<output>1_500</output>
1500.   A= 2000   I = 500   R = 5%   T = (100 * I)/PR = (100 * 500)/(1500 *5) = 6.66 Years.   Total Time = 10 + 6.66= 
<gadget id="calculator">10 + 6.66</gadget>
<output>16.66</output>
16.66 years.   ANSWER : OPTION 16.66 years.
<result>D</result>
Rs 1000 is invested at 5% pa simple interest. If interest is added to principal after every 10 yr. Then we will get amount 2000 after how many year?