Question

Naga invested a certain sum at 10% p.a. SI
for 6 years and he invested 4/5th of the sum at
15% p.a. SI for 4 years. He got a total interest of
Rs.4320. After that he invested the total amount
in Scheme C which offers SI at 12% for 9 years
chen find the interest earned by Naga from
scheme C​

Answer 1

Answer:

The simple interest and the compound interest on a sum of money at a certain rate for 2 year is Rs. 1,260 and Rs. 1.323 respectively.Find the sum and the rate.

Answer 2

Answer:

p (1+4/5) ×60%= 4320

p(9/5)×3/5= 4320

p(9/5) = 7200

amount= 7200+4320=11520

now for scheme C

11520× 12%×9= 12441.6