Calculate in how many years will Rs. 300000 amount to Rs. 399300 at the rate of 10% compound interest per annum.

In how many years will the principal Rs. 800 amount of Rs. 882 at the rate of compound interest of 5% per annum?

Calculate the amount on Rs. 20000 at the rate of 5% compound interest per annum for 2 years.

Calculate the amount on Rs. 5000 at the rate of 8% compound interest per annum for 3 years.

Find the compound interest of Rs. 12000 in 3 years at the rate of 10% compound interest per annum.

In how many years Rs. 3000 amount to Rs. 5184 at 20% per annum compound interest ?

Calculate the compound interest on Rs. 6250 for 9 months at the rate of 10% compound interest per annum compounded at the interval of 3 months.

In how many years will Rs.2,000 amounts to Rs.2,420 at 10% per annum amount interest?

In how much time Rs. 64000 will amount Rs. 68921 at the rate of 10% compound interest per annum if interest is compounded quarterly?