There is 40 % increase in an amount in 8 years at simple interest. What will be the compound interest  (in rupees) of Rs 30000 after 2 years at the same rate? 

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 9 % per anmum is Rs . 405 The sum is

A certain sum amount to Rs.5832 in 2 year at 8% per annum at compound interest, the sum is

An amount of money appreciates to Rs. 7,000 after 4 years and to Rs. 10,000 after 8 years at a certain compound interest compounded annually. The initial amount of money was 

A certain amount of money is lent out at compound interest at the rate of 20% per annum for two years, compounded annually. It would give Rs. 482 more if the amount is compounded half yearly. Find the principal.

A sum on compound interest amounts to Rs. 2410 in 3 years and Rs. 2651 in 4 years. Find the sum.