Question

find the rate of interest on a sum of rupees 75000 which gives rupees 4500 as its interest in 3 years​

Answer 1

2% is the rate of interest...

let rate of interest be x

steps are as follows

75000 × 3 × x / 100 = 4500

75000 × 3 × x = 4500×100= 450000

225000 x = 450000

x = 450000/225000

x = 2....

pls mark brainliest

Answer 2

a=75000×(1+r/100)^3=75000×((100+r)/100)^3

=750×(100+r)×(100+r)/100×(100+r)/100

=75×(100+r)×(100+r)/10×(100+r)/100