Rs. 9800 are invested partly in 9% stock at 75 and 10% stock at 80 to have equal amount of incomes. The investment in 9% stock is:  Answers:
A) Rs 4000
B) Rs 3000
C) Rs 5000
D) Rs 4500
E) Rs 6000
investment 9% ==&gt;x   investment in 10% stock = (9800-x)   9/75xx=10/80x(9800-x)   3x/25=9800-x/8   24x=9800x25-25x   49x=9800 x 25   x=5000   ANSWER Rs 5000
<result>C</result>
Rs. 9800 are invested partly in 9% stock at 75 and 10% stock at 80 to have equal amount of incomes. The investment in 9% stock is: