A four years NSC certificate was purchased for Rs. 500 with Rs. 1000 being the maturity value. Find the rate of S.I.  Pick one
A) 24%
B) 22%
C) 16%
D) 25%
E) 32%
Explanation:   P = Rs. 500   SI = Rs.500   T = 4   R = ?   R = (100×SI)/PT = (100×500)/(500×4) =100/4= 
<gadget id="calculator">100/4</gadget>
<output>25</output>
25%   Answer: Option 25%
<result>D</result>
A four years NSC certificate was purchased for Rs. 500 with Rs. 1000 being the maturity value. Find the rate of S.I.