Question

a man invests rs 3000 at rate of 5% per annum. How much more should he invest at a rate of 8%, so that he can earn a total of 6% per annum on his investments?

a) rs. 1200
b) rs. 1300
c) rs. 1500
d) rs. 2000

Answer 1

Present rate of interest = 5%

New rate of interest = 8%

Mean rate of interest = 6%

Ratio = 6 - 5 : 8 - 6

= 1 : 2

Dearer Value =

$\frac{3000}{2}$

$= \: 1500$

The option C is correct..

Answer 2

Step-by-step explanation:

a man invests rs 3000 at rate of 5% per annum. How much more should he invest at a rate of 8%, so that he can earn a total of 6% per annum on his investments?

a) rs. 1200

b) rs. 1300

c) rs. 1500 ✔✔

d) rs. 2000