1.  By investing in 16% stock at 64, one earns ₹ 1500. The investment made is:
A. ₹ 5640
B. ₹ 5760
C. ₹ 7500
D. ₹ 9600

Answer: Option B

Explanation:

To earn ₹ 50 , investment = ₹ 64.
3

To earn Rs. 1500, investment

= ₹ 64 x 3 x 1500 = ₹ 5760.
50