Comparing Quant...

Mary expected to $$120$$ people for her wedding, but only $$60$$ people appeared. What was the percentage error?

Which of the following statement/formulae is correct for Percentage Error?

The present population of a town is $$14000$$. If it increases at the rate of $$10\%$$ per annum, what will be its population after $$4$$ years?

The cost of a machine is Rs. $$24500$$. After two year the value of that machine was depreciated by $$6\%$$. Find the value of machine after two year.

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?

A machine depreciates at the rate of $$10\%$$ of its value at the beginning of a year. If the present value of a machine is $$\text{Rs. }4000$$, find its value after $$3$$ years.

The population of a town increases every year at rate of $$10\%$$. Find the population of the town three years hence if it is $$13000$$ now.

A company bought a car that had a value of Rs. $$10000$$. each year the value of the car depreciates by $$15\%$$. What is the value of the car at the end of $$2$$ years.

Grace bought a new van for Rs. $$15000$$. Each year, the value of her car depreciated by $$10\%$$. Calculate the value of car before $$2$$ years.

The present population of a city is $$15000$$. If it increases at the rate of $$4\%$$ per annum. Find its population after $$2$$ years.