An amount of money at compound interest grows up to Rs. 3,840 in 4 years and up to Rs. 3,936 in 5 years. Find the rate of interest. 

Sita deposited Rs . 5,000 at 10 % simple interest for 2 years. How much more money will Sita have in her account at the end of two years. If it is compounded semiannually. 

A sum becomes Rs. 2916 in 2 years at 8 % per annum compound interest. The simple interest at 9% per annum for 3 years on the same amount will be 

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 sum of money invested at compound interest amounts to Rs. 650 at the end of first year and Rs. 676 at the end of second year. The sum of money is 

The compound interest on 12000 for 9 months at 20 % per annum , interest being compounded quarterly is 

On a certain sum of money, the simple interest for 2 years is Rs. 350 at the rate of 4 % per annum. If it was invested at compound interest at the same rate for the same duration as before, how much more interest would be earned? 

529 mangoes are distributed to Vivek Amit and Ajay in the ratio of $$ {1\over 2},{2\over 3} ,{3\over4}$$ respectively. So tell me how many mangoes Ajay will get?