At what rate of simple interest per annum will a sum become 7/4 of itself in 4 years? | CLASS 14...

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

Find the rate of simple interest per annum, if a sum borrowed becomes double in 5 years.

At what rate per cent per annum simple interest will a sum double itself in 10 years?

At what rate per cent per annum simple interest will a sum double itself in 10 years?

Find the rate of simple interest per annum. If the sum borrowed becomes 3 times itself in 12 years.

At what rate percentage per annum simple interest will a sum triple itself in 20 years.

A sum becomes 14 times of itself in 15 years at the rate of simple interest per annum. In how many years will the sum becomes 92 times of itself?

At what rate of simple interest per annum, does the interest on Rs. 1200 in 2 years equals the interest on Rs. 600 at 4 years at (7)/(2)% per annum ?