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

Mr. Tiwari invested Rs.25000 in two fixed deposits X and Y offering compound interest at 6% per annum and 8% per annum, respectively. If the total amount of interest accrued in two years through both fixed deposits is Rs.3518, then the amount invested in scheme X is -

 A principal of Rs. 6120 becomes Rs. 8330 in 2 years when compounded annually at some rate of interest. How much will be the amount if the same principal was compounded half-yearly?

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 of money is invested at 20 % compound interest (compounded annually). It would fetch 723 more if interest is compound half-yearly. The sum is –