Short Answer TypeFind the amount to be paid at the end of 2 years on Rs 2,400 at 5% per annum compounded annually.
Find the amount to be paid at the end of 1 year on Rs 1,800 at 8% per annum compounded quarterly.
Find the population of a city after 2 years, which is at present 12 lakh, if the rate of increase is 4%.
Present population, P = 12 lakh
Rate of increase, R = 4% p.a.
Time, T = 2 years
∴ n =2
∴ Population after 2 years = 
= 12 lakh
= 12 lakh
= 12,00,000
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Thus, the population of the town will be 12,97,920 after 2 years.
Note: For depreciation, use the formula as
Calculate the amount and compound interest on Rs 10,800 for 3 years at 121/2 % per annum compounded annually.
Calculate the amount and compound interest on Rs 18,000 for 21/2 years at 10% per annum compounded annually.
Calculate the amount and compound interest on Rs 62,500 for 11/2 years at 8% per annum compounded half yearly
Calculate the amount and compound interest on Rs 8,000 for 1 year at 9% per annum compounded half yearly.
Calculate the amount and compound interest on Rs 10,000 for 1 year at 8% per annum compounded half yearly.
Long Answer TypeKamala borrowed Rs 26,400 from a Bank to buy a scooter at a rate of 15% p.a. compounded yearly. What amount will she pay at the end of 2 years and 4 months to clear the loan?
(Hint: Find A for 2 years with interest is compounded yearly and then find SI an the 2nd year for 4/12 tears.)
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