Question

the ratio of principal and compound interest value for three years (compounded annually) is 216:127. the rate of interest is​

Answer 1

Answer:

Let the principle = P, Rate = x% per annume

⇒  P(1+  100 r×1 )  P(1+  100 r )  2 =  5 6 (1+  100 r )=  5 6

​⇒  100 r =  5 6 −1=  5 1

r=  5 /100 =20

∴ rate of interest = 20%

Step-by-step explanation: