Find the rate per cent at which a sum of money becomes 125/64 of itself in 3 years.
37%
29%
21%
25%
Let principal =Rs. P then amount =Rs 12564P By using the formula, A=P(1+R100)n We put the value of A, n, and will get Rate =25%
A sum of money becomes 12564 times of itself in 3 years. Find the rate of compound interest.
A sum of money, lent out at simple interest, doubles itself in 8 years. Find: (i) the rate of interest (ii) in how many years will the sum become triple (three times) of itself at the same rate per cent?