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___________?
Q1. 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___________?
Answer: Rs. 5000
Explanation: Income per rupee invested: 9% stock at 75 gives 9/75 = 0.12; 10% stock at 80 gives 10/80 = 0.125; equating: 0.12x = 0.125(9800−x) → x = Rs.5,000.