In order to obtain an income of Rs. 650 from 10% stock at Rs. 96, one must make an investment of:
Choose the correct choice from the following
A) 3488
B) 6240
C) 2776
D) 2889
E) 7721

Rationale: "explanation : to obtain rs . 10 , investment = rs . 96 . to obtain rs . 650 , investment = = rs . 6240 answer : b ) 6240"
Answer: B