Question

find the rate % of Rs 450 for 4 year ,if the intrest is Rs 45 ?

Answer 1

SI = p x r x t / 100
Here it is
45= 450 x r x 4 / 100
45= 45 x 4r /10
45= 9 x 4r/2
4r/2 = 45/9
4r/2 = 5
4r=2 x5
R= 10/4
R= 2.5%