Question

10% simple interest p.a. the number of years in which the ratio of the interest and principal becomes 3:2 will be​

Answer 1

Answer:

3 / 20 %

Step-by-step explanation:

Let the principal be x , time =10 years , Rate=r% per annum

⇒

100

x×r××10

= 5\2

x+ 100

x×r×10⇒ 10xr

= 5/2x+ 50/2xr

⇒ 10xr − 502xr

= 5/2x

⇒r= 3

2×10= 3/20%