A man invests in a 16% stock at 128. The interest obtained by him is :  Choose the correct choice from the following
A) 12.9% B) 92.5% C) 12.5% D) 12.6% E) 12.7%
Explanation:   By investing Rs 128, income derived = Rs. 16   By investing Rs. 100, income derived = = Rs.12.5   Interest obtained = 12.5%   Answer: C) Rs. 12.5%
<result>C</result>
A man invests in a 16% stock at 128. The interest obtained by him is :