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:	Pick one.
A) Rs. 4800
B) Rs. 5000
C) Rs. 5400
D) Rs. 5600
E) Rs. 6600
let investment is x... den remaining investment is (9800-x)   x*9/75= (9800-x)*10/80   x=4800   9800-x=5000   ANSWER:Rs. 5000
<result>B</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: