Basics of Finan...

Oscar earned Rs. $$2400$$ as simple interest on Rs. `$$4500$$ for $$3$$ months. What is the annual rate of interest?

You borrow Rs. $$4,000$$ from a loan shark. If you owe Rs. $$7,200$$ in $$4$$ years, what would be the simple interest rate?

Sharmila got a Rs. $$1300$$ loan for $$5$$ years. She paid Rs. $$100$$ in interest. What was the interest rate?

You invested Rs. $$1500$$ and received Rs. $$5000$$ after three years. What had been the interest rate?

To start a grocery shop, a woman borrowed Rs. $$1,500$$. If the loan was for four years and the amount of interest was Rs. $$150$$, what simple interest rate was she charged?

Jenn borrowed Rs. $$5,000$$ for $$5$$ years and had to pay Rs. $$1,500$$ simple interest at the end of that time. What rate of interest did she pay?

The present worth of Rs. $$450$$ due in $$2\dfrac{3}{2}$$ years at $$10\%$$ per annum compound interest is:

A machine was purchased $$3$$ years ago. Its value decreases by $$5\%$$ every year. Its present value is $$Rs.23000$$. For how much money was the machine purchased?

Calculate the compound interest on a sum of Rs. $$20000$$ at the end of $$3$$ years at the rate of $$10\%$$ p.a. compounded annually.

A sum of $$Rs.1728$$ becomes $$Rs.3375$$ in $$3$$ years at compound interest, compound annually. Find the rate of interest.