To get an equivalent quantity of income, Rs. 9800 is invested in 9 percent stock at 75 percent and 10% stock at 80 percent. The following is the return on a 9 percent stock investment:
A. Rs. 4800
B. Rs. 5000
C. Rs. 5400
D. Rs. 5600
Answer:B
To get an equivalent quantity of income, Rs. 9800 is invested in 9 percent stock at 75 percent and 10% stock at 80 percent. The following is the return on a 9 percent stock investment:
A. Rs. 4800 B. Rs. 5000 C. Rs. 5400 D. Rs. 5600
Explanation: Let's say you invested Rs. x in a 9% stock.Then, a 10% stock investment equals Rs (9800 - x).x = 10/80 x = 9/75 x (9800 - x),9800 - x/8 = 3x/25,9800 x 25 - 25x = 24x,9800 x 25 = 49x,x equals 5000.