In how many years Rs 100000 will become Rs 1,33,100 at compound interest rate of 10% per annum?

In how many years will Rs 10,000 in compound interest at the rate of 10% per annum gets Rs 3,310 as compound interest.

In how many years Rs350 will become Rs420 at a rate of 5% simple interest per annum?

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

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

In how many years will a sum of Rs. 800 at 10% per annum compound Interest, compounded semi-annually becomes Rs. 926.10?