A man invests in a 16% stock at 128. The interest obtained by him is :
Choose the correct option:
A) 12.9 %	B) 92.5 %	C) 12.5 %	D) 12.6 %	E) 12.7 %

Rationale: "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 %"
Answer: C