At what rate per cent will a sum of money double itself in `10` years ?

At what rate per cent will a sum of money double itself in 6 years ?

At what rate per cent will a sum of money treble itself in 12 years ?

At what rate percent per year will a sum double itself in 6""1/4 years ?

Find the rate at which a sum of money will double itself in 3 years, if the interest is compounded annually.

At what rate per cent per annum simple interest will a sum double itself in 8 years ?

a. A sum of money doubles itself in 4 years at a certain rate of interest. In how many years will it triple itself at the same rate of interest ? b. A sum of money trebles itself in 6 years at a certain rate of interest. In how many years will it become four times itself at the same rate of interest ?

At what rate percent per annum simple interest will a sum double itself in 10 years? (a) 8% (b) 10% (c) 12% (d) 12 1/2%

If is known that, if the interest is compounded continuously, the principal changes at the rate equal to the product of the rate of interest per annum, and the principal. If the interest is compounded continuously at 5% per annum, in how many years will Rs. 100 double itself? At what interest rate will Rs. 100 double itself in 10 years ((log)_e2=0. 6931) How much will Rs. 1000 be worth at 5% interest after 10 years? (e^(0. 5)=1. 648)dot

At what rate per cent per annum simple interest will a sum treble itself in 16 years?

At what rate per cent will a sum of Rs 4,000 yield 1,324 as compound interest in 3 years?