R S Aggarwal Solutions for Chapter: Percentage, Exercise 2: EXERCISE 10B

The salary of an officer is increased by$20\%.$ By what percentage should the new salary be reduced to restore the original salary?

A property dealer charges commission at the rate of $2\%$ on the first$Rs 200000, 1\%$on the next $Rs 200000 and 0.5\%$ on the remaining price. Find his commission on the property that has been sold for $Rs 540000.$

Nikhil's income is $20\%$ less than that of Akhil. How much percent is Akhil's income more than that of Nikhil's?

Jhon's income is $20\%$more than that of Mr Thomas. How much percent is the income of Mr Thomas less than that of John?

The value of a machine depreciated $10\%$every year. If its present value is $Rs 387000$, what was its value 1 year ago?

The value of a car decreases annually by$20\%$. If the present value of the car be $Rs 450000$, what will be its value after 2 years?

The population of a town increases $10\%$ annually. If its present population is $60000$, what will be its population after 2 years?

Due to an increase in the price of sugar by$25\%$, by how much percent must a householder decrease the consumption of sugar so that there is no increase in the expenditure on sugar?