Question

A sum was invested at a certain rate of simple
interest for three years. If the sum was invested at
four percentage points more rate of interest it would
have fetched 796 more. Find the sum.
(1) 2,400
(2) 1,600
(3) 400
​

Answer 1

Answer:

flw me

Step-by-step explanation:

Let the rate of interest be R

(Interest at rate (R+4)%)–(Interest at R%)

= 600(PT(R+4)/100) –(PTR/100)

= 6003PR +12P –3PR = 60000

12P = 60000

P = 5000