Question

a man invested ₹3500,part of it an a yearly intrest rate of 4% and the rest at 5% .He recives a total annual intrest of ₹153 How much did he invest at each rate?

Answer 1

if the amount lent at 4% is x and that at 5% is (3500- x) , then 0.04x++0.05*(3500- x)=153. Solution gives x=1200 and that lent at 5% is 1300.