Question

the simpleis equal to 25%of the principleand the rate of interest is equal to number of years then the rate of interest is​

Answer 1

Answer:

The rate of interest is 5%

Step-by-step explanation:

Given:

S.I. = 25% of Principal

Rate (r) = Time

According to Question,

25P/100 = (P×R×T)/100

P/4 = (P×R×R)/100

P×100/4 = P × R²

25P = P × R²

25P/P = R²

25 = R²

√25 = R

R=5