At the rate of 5% compound interest per annum, in how many years will a principal of Rs. 4000 amount to Rs. 4410?

At the rate of compound interest of 8% per annum in how many years will the principles Rs. 40000 amount Rs. 46656?

At the rate of 8% compound interest per annum, in how many years will Rs. 10000 amount to Rs. 11664?

If the intertest compounded at the interval of 6 months and the rate of compound interest be 5% per annum, then in how years will Rs. 64000 amount to Rs. 68921?

In how many years will Rs. 400 amount to Rs. 441 at 5% compound interest?

At the rate of compound interest 5% per annum, find the amount of Rs. 80000 in 2 1/2 years.

If the rate of interest is 10% per annum and is compounded half yearly, the principal of Rs. 400 in 3/2 years will amount to

At 5% compound interest per annum the compound interest on Rs. 10000 for 3 years is

A certain sum is invested at compound interest at 5% per annum.In how many years will the amount be doubled?