Arihant Expert Team Solutions for Exercise 1: Exercise 1

$6\frac{1}{4}\%$ of $1600+12\frac{1}{2}\%$ of $800$ is equivalent to:

The percentage change in a number when it is first decreased by $10\%$ and then increased by $10\%$, is:

The price of an article is first increased by $20\%$ and later on the price was decreased by $25\%$ due to reduction in sales. Find the net change in final price of article?

If $X$ is $10\%$ more than $Y$ then by what per cent is $Y$ less than $X$?

If the price of the tea is increased by $20\%$, by how much percent the consumption of tea should be reduced, so that there is no increase in the expenditure on it?

Gaurav spends $30\%$ of his monthly income on food articles, $40\%$ of remaining on conveyance and clothes and saves $50\%$ of the remaining. If his monthly salary is $Rs.18,400$, how much money does he save every month?

The population of a town increases by $5\%$ every year. If the present population is $9261$, the population $3$ years ago was:

If due to $10\%$ decrease in the price of sugar, Ram can buy $5 kg$ more in $Rs. 100$, then find the actual price of sugar?