Question

find rate when simple intrest=Rs=500, simple intrest=150 and 4 times​

Answer 1

Answer:

let , rate of interest be r%

P=500

t= 4

simple interest (I) = 150

prt/100=I

or, 500×r×4/100 = 150

or, r = 150×100/500×4= 7.5 %