State true or false.
i) If amount of certain principal for `n` years, at simple interest rate `r`% per annum is Rs. `m`, the principal will be Rs. `\frac{25m}{(25+n)}`
ii) If the original and annual simple interest rates are the same, the interest varies over time in simple proportion.
(iii) If time and total interest are constant, then there is an inverse relationship between the principal and simple interest rate.