Question

Mr. X invested a part of his investment in 10% bond A and a part in 15% bond B. His interest income during the first year is Rs.4,000. If he invests 20% more in10% bond A and 10 % more in 15% bond B, his income during the second year increases by Rs.500. His initial investment and the new investment in bonds A and B are

Answer 1

If the amounts in A and B are x and y, then

.10x + .15y = 4000
.10(1.2x) + .15(1.1y) = 4000+500

Answer 2

220

Answer 3

.10x + .15y = 4000
.10(1.2x) + .15(1.1y) = 4000+500