Mathematics
A certain sum of money is put at compound interest, compounded half-yearly. If the interest for two successive half-years are ₹ 650 and ₹ 760.50; find the rate of interest.
Related Questions
The cost of a machine depreciated by ₹ 4000 during the first year and by ₹ 3600 during the second year. Calculate :
(i) the rate of depreciation.
(ii) the original cost of the machine.
(iii) its cost at the end of third year.
Ramesh invests ₹ 12800 for three years at the rate of 10% per annum compound interest. Find :
(i) the sum due to Ramesh at the end of the first year.
(ii) the interest he earns for the second year.
(iii) the total amount due to him at the end of third year.
Geeta borrowed ₹ 15000 for 18 months at a certain rate of interest compounded semi-annually. If at the end of six months it amounted to ₹ 15600; calculate :
(i) the rate of interest per annum.
(ii) the total amount of money that Geeta must pay at the end of 18 months in order to clear the account.
₹ 8000 is lent out at 7% compound interest for 2 years. At the end of the first year ₹ 3560 are returned. Calculate :
(i) the interest paid for the second year.
(ii) the total interest paid in two years
(iii) the total amount of money paid in two years to clear the debt.