Question

Ravi borrowed some money at the rate of 4% per annum for the first three years, at the rate of 8% per annum for the next two years and at the rate of 9% per annum for the period beyond 5 yr. If he pays a total simple interest of ₹19550 at the end of 7 yr, how much money did he borrow?

विकल्प

• ₹39500

• ₹42500

• ₹41900

• ₹43000

Answer 1

₹42500
Explanation :
Let he borrowed ₹ x

∴`(x xx4xx3)/100+(x xx8xx2)/100+(x xx9xx2)/100=19550`

⇒  `12x+16x+18x=1955000`

∴         `x=1955000/46=₹42500`