Basics of Finan...

Ramesh invests Rs. 12,800 for three years at the rate of 10% per annum compound interest. Find the interest he earns for the second year.

Find the sum, invested at 10% compounded annually, on which the interest for the third year exceeds the interest of the first year by Rs. 252.

Saurabh invests $$Rs.\ 48,000$$ for $$7$$ year at $$10\%$$ per annum compound interest. Calculate the interest for the first year.

A sum of Rs. $$13,500$$ is invested at $$16\%$$ per annum compound interest for $$5$$ years. Calculate the interest for the second year, correct to the nearest rupee.

During every financial year, the value of a machine depreciates by 12%. Find the original cost of a machine which depreciates to Rs. 2,640 during the second financial year of its purchase.

Calculate the amount at the end of the second year.

In a city $$20 \%$$ of the total population is student community which is not employed , if the number of students who are unemployed is $$14000$$, then find the population of the city ?

Naman purchased an old bike for Rs. $$20000$$. If the cost of his bike is depreciated at a rate of $$5\%$$ per annum, then find the cost of the bike after $$2$$ years?

The rate of depreciation

Lucy invested $$10,000$$ in a new mutual fund account exactly three years ago. The value of the account increased by $$10$$ percent during the first year,increased by $$5$$ percent during the second year, and decreased by $$10$$ percent during the third year. What is the value of the account today?